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TRACE Plug-in Users Manual

1. 2 Control Block Output Sum 7 Behavior Mode Exact Value v Figure 7 5 Control Signal Variable Properties 59 TRACE Plug in User s Manual Power Signal Variables 7 1 7 Power Signal Variables Power signal variables are used to obtain power related values from either a heat structure or a Power component These signal variables allow either the exact or time difference behaviour modes 7 2 Control Blocks A control block is a control system component that manipulates input data Control blocks take input from signal variables and other control blocks and output a floating point value Input connections to the control blocks can be established by using the connect tool inside a 2D View Simply use the connect tool to connect the output of the control system to the input of the control block The properties of a simple control block are displayed below in Figure 7 6 Control Block Properties The output units for a control block are specified through the units for the maximum and minimum values Constants One and Two are used when needed to provide additional input for the control data In general Constant Two serves as the initial value for the block 2 Exponential 1 General Optional Disabled Component Mame unnamed YHE 60 Exponential Description none gt Comments lt none gt o m SEE Gain Minimum ao rl ao 2 ar Maximum o EEE 03 3
2. e Figure 5 4 Time Step Table Dialog 11 TRACE Plug in User s Manual Model Options One of the available namelist options provided by TRACE allows a user to define the loss coefficient format for data entered into a TRACE model The IKFAC namelist variable allows a specification of Fric or K Factor type loss coefficients The IKFAC option can be edited by the namelist variable editor displayed in the figure below Namelist Variables Properties View 32 Namelist Variables c Me Constrained Steady State 4 Hrdraulic Path Steady State 0 essel Area Option A source Flag p Vall drag Option Friction Option Ca 11 K Factors Inverted Annular Switch O 10 Loss Coefficients TEE Offtake Model Input File Units Figure 5 5 IKFAC Namelist Variable The TRACE plug in provides a utility to convert FRICS to from K Factors Setting the IKFAC enumeration editor to a different Friction Option will cause the TRACE plug in to generate a report describing all of the conversions required to use the new loss format The provided report details information on only those junctions which have losses defined Any loss coefficient of 0 0 is ignored Any values used by the plug in to convert the loss coefficients will be displayed in the report A brief explanation of those values are provided below e Hydraulic Component The owner of the edge which contains the loss
3. Table 8 1 Built in Materials 8 2 User Defined Materials User Defined Materials may be used to specify a material that differs from the built in materials User defined materials have four properties that must be defined over a range of temperature Density Specific Heat Thermal Conductivity and Emissivity These properties may either be defined in a table or as a functional fit table Any property defined using the functional fit tables is not included in the primary material table User defined materials may be used as the radial material for any hydraulic component s pipe wall or for radial regions within a heatstructure 8 3 Radiation Enclosures Radiation between heat structures is handled by implementing a Radiation Enclosure component The enclosure component consists of a list of heat structures organized by parallel axial levels and tables defining the view factor and beam lengths between heat structure cells This data is very similar to the enclosure data embedded inside Chan components 71 TRACE Plug in User s Manual 72 Chapter 9 Power Components There are two types of components that insert power into the model The Power component handles the kinetics and neutronics calculations for a modeling the reactor Fluid power components are used to inject power directly into the fluid of hydraulic components 9 1 Power All of the kinetics and neutronics information inside a TRACE model is handled by the Power compone
4. 26 Cell 111114 BO Flux 0 0 2 vessel 26 Cell 1111115 General Optional Disabled Boundary Condition 2 Hydro Component Hydraulic Cell Vessel 26 Cell 1 1 4 Er Figure 8 5 Surfaces Dialog 8 1 3 Radial Geometry A heat structure s radial geometry is used to determine heat conduction between the inside and outside surfaces The radial geometry may be modified in the Meshpoint dialog shown below in 69 TRACE Plug in User s Manual Radial Geometry Figure 8 6 Heat Structure Radial Geometry Dialog There are three options for defining the radial mesh of heat structures Standard Mesh Finite Element and Lumped Parameter Both the standard mesh and finite element modes organize the thickness by regions of common material Each region has a thickness and is further devided into sets of material intervals The node points between material intervals are temperature nodes inside the heat structure The finite element conduction model defines a temperature node in the center of any non gap material interval Using the Lumped Parameter defines the heat structure with a single temperature node Only one material region is allowed for lumped parameters O Define Radial Geometry Biancard Hei Frite Element kurapa Pararater Material Repara Matenal Inner Radius m Cuber Radius m Thickness m Calculation Mode Count Start Hode m 0 0 E 2344178 3 Outside Node Geom 3 AEAZTE Z AHI 9 955
5. 6 15 2 V oltmmetne and Edse Dit ee 46 6 15 3 Vessel Boundary Inter aces anna u Ba 48 6 16 Vessel Junction Components u nl 49 lOl In tiall7au0n 2 era ra 49 0 16 A de ee ee oe ea ce ena a eae 52 6 10 3 Draw i Representa OM da era 53 FS 0NUOL Systems antenne see Br ee eh 57 7 1 gt 8120al Varlables aussen ae ee 57 Ta General SIN Var ables sen eisen 57 7 1 22 Component Siena l Variable ao Es 57 Tales Volume S enal Vanable ci pia 58 Tie BOGE Siena Varablessa ns ee ana 58 TA CAL Signal Variablesu ital Sch Ai Sates 59 726 6 Ontrol Stenal Variables ee Nee 59 TAs ROWE Si nal Vartabl s ana an 60 TZ COMO BD IOCKS en seen essen een 60 WD Asi Minette Blocks see Sees een ler 60 1 2 2 Caleulus Blocks a 61 Peo COMTO ler Blocks dci 61 Lies Logical Contool DIOS ana t 62 7 2 9 Mampulat on BLOCKS 1 22 62 1 2 0 UE BLOCKS EIER Dane 63 52 1 1120n0melry Blocks nn a a 63 7 2 8 Non Standard Control Blocks ooccooccooccnoconocnncnnoronaconaconaconos 64 Too TPS a A ae la ts atk Say E E N 64 TRACE Plug in User s Manual IV TRACE Plug in Users Manual Tor mal LV PC vei sete rannte an ae 65 7 332 119 SIR al Expressions zuweisen 65 7 4 Control System Display Annotations ocooccoccnocnncnocnnononcnoncnncnncnnnconcnonnnnnnnnos 66 Ihermal Component 67 Ou Heat A IN 67 Salis Create a He atte ae aa 67 6 U2 Connecting A Heat Uco ia 68 Bola Radial Ge ney are He N 69 8 1 4 Bull in Materials ses na
6. 6 2 5 Advanced Channel Features The TRACE channel includes advanced boiling water reactor features such as partial length rods and water rods Partial length rods are Non Average Rods with the Last Axial Node property set to a value less than the number of axial nodes in the channel Water rods are defined inside the channel directly in a custom dialog shown in Figure 6 13 Channel Water Rods 21 TRACE Plug in User s Manual Fill aan Edit Water Rods Water Eod Editor Water Rod 1 Water Rod 2 General Optional Disabled Geometry 1 Cylindrical Inlet Location Inlet Angle PO 0 0 ddeg Outlet Location Outlet Angle 300 dead Outer Diameter ee m pS ES mi le MA i hickness Inlet Forward Loss LO 1 5 BE un I 3 T a T 4 S T Ln 1 ra gu rei 2 3 Pl ir TE Locations Radial Mesh 0 Tubes 2 Nodes Figure 6 13 Channel Water Rods 6 3 Fill The Fill component is a boundary component typically used as a source for fluid and vapor flows into the system Fill components can be defined with constant fluid conditions tabular fluid conditions or with generalized state controllers Figure 6 14 Fill Properties below displays the properties for a newly created Fill Fi 2 q m o po a m 1 Al r O m n z 21 5 93 Dal me a ee Lo m Ble NES LT ll L
7. EF Control Blocks 5 Signal Variables 9 Thermal Components Figure 7 8 Trip Signal Expression Pop up Menu 7 4 Control System Display Annotations Control Systems added to a view may optionally display several annotations describing important properties This behavior is toggled through the Display Annotations check box in the display element s right click pop up The default value for new display components may be toggled in the TRACE plug in preferences see Section 3 1 TRACE Plug in Preferences bmftrpd en alos IL TOCh min 0 0 max 10 0 Figure 7 9 Display Annotations TRACE Plug in User s Manual 66 Chapter 8 Thermal Components Heat structures custom user materials and radiation enclosures are organized into the Thermal Components portion of TRACE The Thermal category inside the navigator for a sample model is displayed in Figure 8 1 Thermal Components Heat structures provide thermal sources and sinks and can be used to represent pipe walls reactor shrouds fuel rods etc The user materials in TRACE allow the user to define custom thermal properties for heat transfer Radiation enclosures model the rod to rod radiation of heat inside fuel channels g E Thermal 48 o GE Heat Structures 48 HI User Defined Materials 0 Radiation Enclosures 0 Figure 8 1 Thermal Components 8 1 Heat Structures 8 1 1 Heat structures represent rigid structures that can absorb transfer or radiate
8. and select the pump as the reference component Pumps also include the same initial fluid conditions as a pipe component Refer to Section 6 5 Pipe for information regarding pipe initial fluid conditions Pump Alternate Inertia Pumps may use a set of alternate inertia data enabled through the Use Alternative Inertia property in the general properties of a pump The alternative inertia properties are displayed below in Figure 6 38 Pump Alternative Inertia Properties TRACE Plug in User s Manual 36 Pump Friction Factors Alternate Inertia fg Oo kg m wee E We PO wend Figure 6 38 Pump Alternative Inertia Properties 6 7 5 Pump Friction Factors Pump components have additional friction factor data not present in other hydraulic components This additional data represents the friction from the pumping action The friction factors are displayed below in Figure 6 39 Pump Friction Factor Properties Friction Factors Frictional Torque 2 Frictional Torque 3 orgue Break Speed Low speed 0 Low speed 3 Figure 6 39 Pump Friction Factor Properties 6 7 6 Pump Rated Values The rated values of a pump are the factory specifications appropriate for the make and model of the pump These values are displayed below in Figure 6 40 Pump Rated Values gt Rated Values Rated Head 343 0 misa Y Rated Torque 4 285E4 Pa m Rated Yolumetric Flow 5 55 Da ated Speed 4 F R
9. set to 7 This enables the contan data shown below in Figure 6 5 Break Contan Coupling A Contan component must be defined in the model 2 Contan Coupling Figure 6 5 Break Contan Coupling 6 1 6 Break Trace Species The mass fractions of gas and vapor species are defined in the Trace Species data for a Break when the trace species values are enabled in the model The available values reflect the model 177 TRACE Plug in User s Manual Break Control Connections properties The trace species properties of a break are show below in Figure 6 6 Break Trace Species gt Trace Species rfracion Hydrogen Fraction 0 0 Helium Fraction PO ct an Xenon Fraction f C TE Figure 6 6 Break Trace Species 6 1 7 Break Control Connections An additional connection point is available for break types that allow control system inputs This connection point is shown on the side of the Break and can be used to establish control system connections using the connect tool The Figure 6 7 Break Hydro Input Dialog is displayed when creating a control system connection to a Break to allow the input to be selected TIMEOF p RI BOO Connect Hydro Input El Connect Problem Time 1 as which input Ereak Pressure Controller Ka Break Pressure Controller Ereak Liquid Temperature Controller Ereak Vapor Temperature Controller Ereak Void Fraction Controller Ereak Partial Pressure Controller Ereak
10. tie sem e BEE BEE tin asp pero o Table 19 3 TRACE Control System Variable Indexes Note Indexes enclosed in lt gt are optional TRACE Plug in User s Manual 116 Chapter 20 Resource File Import Export The TRACE plug in provides the ability to export an ASCII model from the Model Editor with each of its associated resources so that the model can be quickly tweaked and read back in without losing these resources The resources can be any combination of views numerics or model notes The exported model contains a numerics map which is written to the top of the file which identifies numerics that have been assigned within the model Numerics written to the ASCII deck are renamed and appear in the exported model in a unix substition format The resource map will identify the actual names of the numerics and the unix substitution names they are mapped to Resource exports can be made by selecting the Include Resource Map option in the ASCII Export menu This is displayed in below in Figure 20 1 ASCII Resource Export Select file in which to export the TRACE deck Save in de wloop_resources TE ES EE i ri Recent Items V Indude Resource Map 2 File name wAoop_resources inp Export TRACE ASCII Files of type TRACE ASCII decks inp Cancel Figure 20 1 ASCII Resource Export The plug in will prompt the user to save the med file for the model being exported if it has not yet been
11. 1 1 bkn loop hot leg pipe ne E EEREN Calculate 4 i Volume z i Length a Area Figure 6 24 Pipe Cell Geometry The cell geometry editor for most cell based hydraulic components provides horizontal cell center pivoting Pivoting hydraulic cells is useful in providing a more accurate physical representation of hydraulic components but has no baring on the actual geometrical data Hydraulic components which have been pivoted are displayed in the 2D view embedded in the geometry editor as well as in the primary 2D view In TRACE the orientation of a pipe is controlled through its edges Each edge may be angled between 90 and 90 degrees with regard to the positive X axis Additionally each edge has a hydraulic diameter and flow area The flow area is used to determine the width of each cell when rendered in a 2D view Figure 6 25 Pipe Edge Geometry below displays the edge panel in the pipe geometry table TRACE Plug in User s Manual 28 Pipe In tial Conditions 000 Geometry Pipe 1 Humber Area fm Diam sen ENE yoo 1 078539816 10 nn a E A 0 78539816 tr 4 og o E te ee i nt ee o po 8 Figure 6 25 Pipe Edge Geometry The number of cells and edges inside a pipe cannot be edited directly after creation The 1D renodalization tool can be used to easily modify the nodalization of a pipe and automatically update any components associated with the pipe More information on renodalization
12. 26 6 4 2 Feedw ter Heater Valve a a 26 Oe BD ea ee naw ee ee eee 26 0 le Pipe Prope ieS auroras pilas 27 65 2 Pipe Ge Om Vans biota 21 6 5 3 Pipe Initial Conditions ooccooccncnncnconnncnncnnncnnconnnnnconcnnnnnnconcnnncnnnnnnnns 29 Bote Pipe ICM Om Dat essen ala 31 00 Pipe Wall Heat Stck 32 6 9 0 Pipe Wall Power ana ariadna a io 33 A Pipe Full A en 33 63 0 Ipe cal Pas a en 34 EA Beate S A VE EIEEE CE TIENT 34 6 6 1 Plenum JUNCHONS aene a ihn 35 111 TRACE Plug in User s Manual TRACE Plug in Users Manual Onde O AAA II II ee 35 0 EL Pump General Properties ds 35 0142 Pump Speed V ales la lio 36 6 7 3 Pump Initial Fluid Conditions sercu Aa 36 6 14 Pump Alternate Inertia pitan 36 09 2 9 Bump Kriclion Factors AA a 37 6 1 0 Bump Rated Valles ea ae nalen 37 6 7 1 Pump Homologous Curves aii 37 6 7 8 Pump Control Connections senne a 38 y A 39 00 1 Prizer Properties ca a doo 39 0 9 SC PaO oi 40 6 9 LSeparator Propero S ssori ana re Arte 40 04105 SinGle ACIDOS A ES 40 O A oes eal Dee Dee eee a 4 OLE TES Properties ea ea lea 41 6 12 TODE Steet sn Sethe hes ott Glee Hache ee Se se et 4 9 12 12 Turbine Properties meree aa vat otua nar lert a ciback thai hota ears 42 6 13 A R 42 6 13 41 Valve properties cod 43 6 13 2 Valve Control Connections Wieder NE 43 0 14 Je Pumps nen A A a a a 44 6 14 12 Jet Pump Properes reta ies 44 Gil Bi A ar aan een nee 45 Osos Messe Geomety sit 45
13. 3 Flow Area Fraction per Second 1 0E5 1 5 alve Flow Area alve Hydro Diameter Initial Fraction ale Stern Position First Adjustment Table Rows 2 D 0 0 0 1 0E 5 1 0 Second Valve Table Rate Factor Table alve Table Indep War alve Trip Trip 11 Override Trip Figure 6 53 Valve Properties 6 13 2 Valve Control Connections Control system components are used for many of the tables and properties inside valves These control connections may be entered directly in the property view or they may be established using the connect tool on a 2D View A connection point is provided on the valve stem for control system inputs To use the connect tool to establish these connections click on the output node of a control system component then click on the valve stem connection point on the valve A dialog will 43 TRACE Plug in User s Manual Jet Pump open displaying all of the available connections for the valve as shown in Figure 6 54 Valve Hydro Input Dialog After selecting a control input pressing the OK button will establish the connection Connect Hydro Input Connect Problem Time 59 as which input Valve Table Indep Var Ma Figure 6 54 Valve Hydro Input Dialog 6 14 Jet Pump The Jet Pump component is a volumetric component with a main and side tube with similar geometry and initial condition properties to Tee components The main tube represents the pump volume The sid
14. 5 Manual a AMES EME 6 1754 Maria 3 Material 1 Med Grade 0 0 2 476 1078 3 Material 1 Mod Code AM 3 F12ME 3 Material 1 Mie Cede 3 71416 3 4 339 1876 3 Material 1 Mined Code Pere El E HE Habeis 3 Gap Gases 4 642763 LANE Material 2 Zir 4 M22 SOSIEE 3 WETE 0 94241593 Material 2 inako 5 05085 3 5 3594 3 0 424 1853 1 0 OK Figure 8 6 Heat Structure Radial Geometry Dialog The top table in this dialog displays the material regions Each region is displayed with an inside and outside radius and a thickness value Setting the inside radius of the first material region defines the inner radius of the heat structure Every other row in the material region table is highlighted to ease readability The Calculation column defines options for automatically calculating a material regions internal mesh intervals The mesh intervals can be calculated as equally spaced or a geometric series The geometric series calculation of the radial mesh defines the intervals in such a way that each interval is twice the thickness of the preceeding interval The number of nodes inside the geometric series can be explicitly defined by selecting the Geometric Series By Nodes option The Geometric Series By Size option calculates the number of intervals by finding the geometric series where the initial node is less than or equal to a user defined size The lower table in this dialog displays the different radi
15. Like other completion dialogs this dialog will not be displayed if the Use Completion Dialogs preference is set to False Initalize Separator Main Tube Length 4 0 m Side Tube Length 1 0 m Main Tube Flow Area LO m Side Tube Flow Area 1 0 m Number of Main Tube Cells 5H Number of Side Tube Cells 3H Ok Cancel Figure 6 46 Separator Completion Dialog 6 9 1 Separator Properties The unique properties required for defining a separator are displayed below in Figure 6 47 Separator Properties Figure 6 47 Separator Properties 6 10 Single Junctions Single junction components are hydraulic components with no volume They represent a single flow path between hydraulic components with all of the flow and geometry properties of an TRACE Plug in User s Manual 40 6 11 Tees edge inside a pipe component These were implemented as part of the effort to convert RELAPS models to TRACE Unlike other hydraulic components the single junction does not open a completion dialog The standard hydraulic component properties included in a Single Junction are detailed in Section 6 5 Pipe These properties include geometry and fluid flow The single junction does not contain any volume properties Tees In TRACE Tee components can be used to model branching flow paths The standard hydraulic component properties included in a Tee are detailed in Section 6 5 Pipe Thes
16. Optional Disabled Boundary Condition 12 Hydro Component v E Hydraulic Cell Vessel 26 Cell 1 1 4 Ok Cancel Figure 16 10 Heatstructure Axial Editor 16 4 Reference Model The TRACE plug in supports reverting the nodalization of hydraulic components to a previous state stored in a separate TRACE MED file This file is referred to as a Reference Model To use the reference model first select the external MED file using the Load Reference Model option from the right click pop up menu of the model in the navigator This menu item is displayed below in Figure 16 11 Reference Model Menu Item TRACE Plug in User s Manual 102 7 ES TRACE models Begin Editing Restart Retrieve Initial Conditions Load Reference Model Engineering Units b Figure 16 11 Reference Model Menu Item Reference Model Once the Reference Model has been loaded hydraulic components can be reverted back to the nodalization and properties contained inside the reference model Pressing Revert button in the renodalization dialog will open a dialog to select the reference component The reference component s nodalization will be copied over to the current component O O O Renodalizing Pipe 12 12 int loop pump suct pipe Cell and Junction Revert Method Revert 0 u Revert 2 How should cell and junction data be copied Announce Changes all cell and junction data x Sp
17. PARCS models we saved earlier 10 Create a new Job Stream component 11 In the Job Stream component create an additional TraceModel node for each of the restart cases the trace model supplies Select the restart case property and the case it represents for each model node 12 Create a new Trace Step for each of the runs which need to be made Set their names and the names of the TRACE steps to the type of run they represent standalone coupled ss coupled tr etc 13 If the first run in the coupling job is a standalone trace job drag the basic trace model node and the standalone trace step to the view 14 Connect the standalone Trace Model node to the tracin input of the standalone Trace step 15 Drop the first trace restart model node onto the view along with the coupled PARCS model 16 Add the associated trace step to the view 17 Connect the Trace restart model node to the tracin input on the Trace Step A parcs_inp input appears on the step if the restart model has itdmr 1 18 Connect the PARCS model node to the parcs_input input on the step 19 Connect the trctpr output node of the previously added step to the trcrst node on the newly added step 20 Drop the second trace restart model node onto the view along with the coupled PARCS model These steps assume this is a transient which accepts a TRACE and PARCS restart file 21 Add the associated trace step to the view 22 Connect the Trace restart model node to the tracin input on t
18. can be found in Chapter 16 Renodalization 6 5 3 Pipe Initial Conditions The initial conditions of the fluid inside a pipe must be defined for both the fluid cells and flow edges The cells contain the fluid state information while the edges detail the fluid flow data These properties are modified in the Pipe Initial Conditions Dialog This dialog is used to modify the initial conditions of all multi cell ID hydraulic components The volume initial conditions are displayed in Figure 6 26 Pipe Cell Initial Conditions below 29 TRACE Plug in User s Manual Pipe Initial Conditions 4 AA Initial Conditions Pipe 11 _ell Fressure Liquid Vapor Las Volume Mt Partial Number Pal Temp kl Temp kl Fraction Pressure Pal LES E So db DO u 3 OES 372758 O o LOES 3727 56 37258 00 oo pS LOS 372756 37258 00 oo o l LOB 372756 37258 00 oo po O OO 37258 00 00 O Bo LOB 372756 3727568 00 og Steam Tables Close Figure 6 26 Pipe Cell Initial Conditions The edge initial conditions define the flow velocity for each fluid phase Positive values indicate flow from the inlet of the pipe cell 1 towards the outlet of the pipe cell n Negative values indicate a reversed flow through the pipe As with the cell panel edge selection is reflected in both the table and the visual representation of the pipe Figure 6 27 Pipe Edge Initial Conditions below displays the edge panel in the pipe initial conditions
19. closest location in the renodalized vessel to their original location Volume variables will be moved to the closest cell center location and edge variables to the closest edge position 16 2 3 Vessel Azimuthal Renodalization The number of azimuthal sectors nodes along the Y axis of a vessel is modified by selecting the Renodalize Azimuthal Sectors or Renodalize Y Axis option from the right click pop TRACE Plug in User s Manual 100 16 3 Heat Structure up menu on a vessel The renodalization dialog is shown in Figure 16 9 Vessel Azimuthal Renodalization This dialog allows the user to split or merge sectors in a similar fashion to the to levels in the axial renodalization dialog The primary difference between axial and azimuthal renodalizations is how heat structures are modified FA Fy Fy Renodalize Azimuthal Sectors Top Down View 4 3 Select Al Announce Changes Index Angle rad 1 1 571 A A a 0 bar Figure 16 9 Vessel Azimuthal Renodalization Heat structures that connect to vessel nodes will be moved to the azimuthal location that contains the node to which they were originally connected Vessel wall heat structures that connect different sectors inside the vessel will be modified to connect the same volumes This may result in a heat structure that has the same cells on the outside as the inside Hydraulic connections are moved to the location in the renodalized vessel that most cl
20. flow for the dependent variable If the FTY value is 6 or 9 the table contains all the values of a fluid state as dependent variables The unit type of the independent variable column is always based on a signal variable or control block selected Figure 6 15 Fill Generalized State Table below displays the generalized state table for a fill ry fy ey Editing Fill Table Independent Variable Problem Time 1 Controller Trip lt none gt Independent Variable Form 7 Negative Positive Liquid Las Liquid Las Las Partial A velocity Wwelocitwy Temp Temperatura Vol Frac Pressure Pressure m s m s E E Pa Pa o 0 oo og 376 0 3760 00 LOE 0 00 376 0 376 0 oo LOES 0o 1000 00 00 376 0 376 0 oo 1055 0 00 Figure 6 15 Fill Generalized State Table 6 3 3 Fill Contan Coupling A Fill component can be attached to a Contan compartment by selecting True for the Couple to CONTAN option This enables the contan coupling data This data is the same as that displayed for the break in Figure 6 5 Break Contan Coupling A Contan component must be defined in the model when this data is enabled 6 3 4 Fill Scale Factors A generalized state fill allows the user to apply a scale factor to the state variables These factors are located in the Scale Factors attribute group as displayed below in Figure 6 16 Fill Scale Factors The specified scale factor is applied to the appropriate state variable whether the variable
21. from the model using a restart deck standpipe med Standpipe E Model Options gt E Hydraulic Components 3 o ind Control Systems 14 E Thermal 1 gt He Power Components 0 In CCFL Models 0 e EH Containment 0 IT Exterior 0 B PARCS Mapping 0 q Sub Systerns 0 59 Cases 2 shor LI o 3 Job Strea F Connecti db Numerics Figure 4 1 Creating a Restart Case Restart decks are represented in the ModelEditor by Restart Cases Restart cases can be created by right clicking on the Cases node in the Navigator and selecting the New pop up menu item as shown below in Figure 4 1 Creating a Restart Case Once created a restart case can be edited in either ASCII or Graphical mode depending on the Editing Mode property by pressing the Edit button for the Restart Model property The Show ASCII pop up menu item can also be used to view the contents of a case Editing a case graphically opens the case as a Virtual Model in the Navigator as shown in Figure 4 2 Graphical Restart Editing When graphically editing a restart case a restart panel is shown above the Navigator tree This panel indicates that restart case is being edited and provides shortcuts for both saving and closing the restart case The ModelEditor tracks any changes made to the model in this mode and colors the modified components red in the Navigator Once the changes have been made they can be saved back into the Restart C
22. heat within the system In TRACE these heat structures are modeled with either a cylindrical rectangular or spherical geometry They can be used to represent pipe walls support structures vessel containment or fuel rods A heat structure consists of e radial data that remains constant along the axial length of the structure e axial data to indicate surface area for heat transfer e inner and outer radial boundary conditions e the fuel information when modeling fuel rods Creating a Heatstructure New heat structures may be created in three different ways Heat structures may be created through the navigator in a similar fashion to other components Simply right click on the Rod Heat Structures or Slab Heat Structures nodes in the navigator and select the New option Heat structures may also be inserted into a 2D view using the insert tool When a new heat structure is created in either of these ways the dialog shown in Figure 8 2 Heat Structure Completion Dialog will be displayed This dialog allows the user to initialize the heat structure s geometry prior to being added to the model 67 TRACE Plug in User s Manual Connecting A Heat Structure E i f 1 F Initialize Heatstructure Length 3 048 m Thickness 3 04E 5 m Inner Radius 0 0508 m Temperature 300 0 K Material Material amp Stainless 304 Axial Cells 4 i Radial Nodes Ja Figure 8 2 Heat Structure Completion Dialog Rod or slab heat structu
23. is defined in a table or is specified from a control system state controller Scale Factors 1 0 i apor Temperature Scale 1 0 1 05 1 G Moncondensable Scale Oo f Solute Scale 1 0 Figure 6 16 Fill Scale Factors TRACE Plug in User s Manual 24 Fill State Controllers 6 3 5 Fill State Controllers Fills of type 10 and 11 have their fluid state defined by control system references These state controllers can include signal variables or control blocks The current value of the control system input is used directly as the current value for the appropriate fluid state Figure 6 17 Fill State Controllers below displays the fill state controllers in the property view State Controllers apor Volume Controller lt none gt Solute Controller lt none gt Figure 6 17 Fill State Controllers LL ID a a 4 ze am m mm T iD Fi A re yf LA a s 6 3 6 Fill Control Connections Any fill that includes a control system input has an additional connection point inside 2D views This additional connection point shows input connections from control systems and allows control system connections to be input using the connect tool Figure 6 18 Fill Hydro Input Dialog below illustrates this connection process TIMEOF Y 1 E 000 Connect Hydro Input 2 Connect Problem Time 1 as which input Fill Liquid Mass flow controller 7 Fill Liquid
24. panel or the 2D view E TRACE models unsaved 1group irpwtyl3 w 14 E Model Options 9 Hydraulic Components 6 o W Breaks 1 o Channels 1 d Fills 1 fet Heaters 2 o EN Pipes 1 3 Plenums 0 Pumps 0 Prizers 0 tal Separators 0 Single Junctions 0 dh Tees 0 40 Turbines 0 O amp t4 Valves 1 I jet Pumps 0 ff Vessels 1 A Control Systems 2 E Thermal 0 E Heat Structures 0 Hi User Defined Materials 0 Radiation Enclosures 0 Power Components 0 e Powers 0 Ad Fluid Power 0 In CCFL Models 0 E Contains 0 PE Exterior 0 E Connections 7 o fx Mumerics 0 Views 0 Figure 3 1 Model Navigator Figure 3 1 Model Navigator shows each of the primary categories of components for a TRACE model in addition to the Connections Numerics and View categories which are specific to the ModelEditor The number contained in brackets to the right of a category name is the number of current elements The following chapters are broken down in the same manner as in the Navigator with components in alphabetical order inside their chapter 5 TRACE Plug in User s Manual TRACE Plug in Preferences 3 1 TRACE Plug in Preferences Several TRACE Plug in specific settings may be modified through the ModelEditor preferences dialog as shown in Figure 3 2 Plug in Preferences Model Editor Preferences Select Preferences Plugins General
25. path can include an elevation change Figure 6 33 Pipe Leak Path displays the properties of a leak path defined in a pipe Note Leak Paths can only be created when the Enable Leakpath Support TRACE plug in preference 1s enabled Connection Source Target Target Index Cell Component Cell 1 2 of 5 Vessel 500 500 1 1 16 Add Remove 9 General Optional Disabled Leak flow area 0 0143 mI Loss Coefficient Liquid Yelocity apor Velocity Elevation Difference Angle Offtake Model Ok Cancel Figure 6 33 Pipe Leak Path 6 6 Plenums A plenum component is used to connect multiple components together at a single location Plenum components consist of a single volume with multiple junctions Each plenum junction allows the user to specify the effective momentum length as well as the connection face on the plenum Unlike the pipe component the geometry and initial conditions for the plenum are modified directly in the properties list of the plenum The only custom editing dialog for the plenum is the connections dialog displayed below in Figure 6 34 Plenum Junctions Dialog TRACE Plug in User s Manual 34 Plenum Junctions 6 6 1 Plenum Junctions The Plenum Junctions Dialog allows the user to create edit and remove junctions between the plenum and other hydraulic components Each junction details how the plenum is connected to a different hydrau
26. provides the ability to convert a TRACE model s loss coefficients to be friction factors for both 1D and 3D hydraulic components The conversion is performed for internal and external hydraulic edges as well as crossflow and leakage path connections If the model is currently in FRIC format the input will be left alone The TRACE namelist variable IKFAC will be set to FRICS TRACE SETKFACS This command behaves much like the above SETFRICS batch command except that all loss coefficients will be converted to K Factors The TRACE namelist variable IKFAC will be set to K Factors TRACE CONVERT LEAKPATHS This command will automatically convert all leak path connections to appropriate Single Junction equivalents TRACE Plug in User s Manual 114 TRACE Variable Indexes 19 1 TRACE Variable Indexes Type Hydraulic ADAD ap Ania Radia lt A ima Marie DID u Ani lt kacis lt Avimutba gt Hydraulic DID Ani Radis lt Azimutba gt Hydraulic DID pa Ani lt td lt Azimutba gt Hydraulic DBD w An era maie vin ne im I re ain a eo vin a iyi vin I ne pain a Hydric 0D own Aare OD win ne win Table 19 1 TRACE Hydraulic Variable Indexes Type tica Sica mow a 0 Table 19 2 TRACE Heat Structure Variable Indexes 115 TRACE Plug in User s Manual TRACE Variable Indexes Type X1 Values X2 Values gt X3 Values gt
27. r Figure 6 9 Channel Properties 19 TRACE Plug in User s Manual Channel Canister Properties 6 2 2 Channel Canister Properties The canister wall for the channel is defined inside the Canister Wall attr bute group for the channel The initial temperature array number of meshpoints and the material for the canister wall are all defined in Wall Material The canister wall has the same number of axial nodes as the channel has cells The outside of the channel may be connected to a separate hydraulic component through the outside component property Figure 6 10 Channel Canister Wall below displays the canister wall properties of a channel gt Canister Wall 0 79788456 im 3 0E 3 im 5 10 3 1 0E O True False rue False Width 0 5 im Wall Material Valid values E Canister Emissivity 1 Canister Emissivity 2 Canister Emissivity Outside Component ConstamECs em Figure 6 10 Channel Canister Wall aliz z jz E a patel Conduction OT eth hal mare Kanister Emisshiy Kanister Emisshiy2 Kanister Emisshy a Wall Temperature Outside Component 6 2 3 Channel Fuel Properties The fuel portion of the channel is defined in two locations The general rod properties are defined inside the Fuel Rod attribute of the channel whose properties are displayed in Figure 6 11 Channel Fuel Rods The properties of non average fuel rods are defined through the navi
28. the initial elevation is selected pressing the Next button opens the report dialog This dialog shown in Figure 17 2 Loop Closure Dialog displays the elevations calculated for each connection for a selected system A label at the top indicates if the current systems closure is within tollerence If the loop has failed the tollerence check the list of errors is displayed in the lower part of the dialog Selecting the verbose report displays the cell centered elevation for each node in a standard hydraulic component and each level in a vessel component as well as the connection elevations The data may be exported to a comma separated values CSV formatted text file by pressing the Export button AAA Loop Closures Hydraulic Loop Vessel 26 426 3 d vessel 7 Display Options Normal v Elevation Data Location Elevation im essel 26 TER essel 26 essel 26 essel 6 un 23 To Fipe 43 essel 26 essel 26 l A co CA co ca ce ca Oe ca mal ml ma mA MA ml J ee eel ee ee ele 00 00 00 0 Oo oo oo sad ma me me mA J essel 6 Jun 11 To Tee 10 Source Jun 1 From Wes 8 ma J La Jun 1 To Wessel 6 ipe 1 Jun 2 To Pipe 2 468 33 3 eo oo m m 3 m 3 m ipe 2 Source Jun 2 From Pip 3 4687 el u Figure 17 2 Loop Closure Dialog 105 TRACE Plug in User s Manual 106 Chapter 18 Model Notebooks The TRACE plug in allows
29. the selected resources TRACE Plug in User s Manual 118 Chapter 21 PARCS Mapping 21 1 The PARCS Mapping component is a TRACE component which provides a user interface and IO routines for creating maptab files These files are used to provide a mapping of kinetics from the PARCS geometry to TRACE components Initial Map Creation A PARC Mapping component can be created much like any other TRACE component Selecting the New item from the right click pop up menu on the PARCS Mapping category node provides a initialization dialog which can be used to create a new mapping or import an existing mapping The component s right click pop up menu Show ASCII item provides an ASCII view of the mapping data as it is currently configured F dl ASCE Views Comedian 2 1 7 s17 2128 EVILEMAPZ Olas 4 5 F 215 2111313 14 LE 17 i di 11 ih 1d 11 31 11 2 Li 11 3 ii 1 4 I Li ry ii 1 A IA 11 13 11 03 10 03 11 33 11 33 19 11 18 11 13 11 11 11 11 13 nia IT I 11 u 15 1 11 13 Woh Li I 11 N 11 15 1 11 13 13 14 13 13 13 LA 11 14 13 14 11 19 12 19 LF 19 13 13 13 Li 11 14 Li I 15 11 11 LE i i N LE 11 18 EL 12 21 11 Cis Read Figure 21 1 ASCII View Creating a new PARCS mapping component provides the user with an initial map creation dialog This dialog contains three seperate ways to instantiate a mapping 2D Hydraulic Mapping Existing map Import and Vessel Mapping Each of these three modes require that a PARCS mo
30. up Menu 16 2 1 Vessel Axial Renodalization When renodalizing the axial levels of a vessel the total height of the vessel is preserved Figure 16 7 Vessel Axial Renodalization Dialog below displays the axial renodalization dialog for a TRACE vessel Axial renodalization is very similar to the 1D hydraulic renodalization TRACE Plug in User s Manual 98 Vessel Axial Renodalization Renodalize 7 Axis Side View Level Lewel Level Lewel Level Lewel Level _ Announce Changes Index Height m gt 64 Figure 16 7 Vessel Axial Renodalization Dialog Heat structures that are connected to the vessel are modified in the same manner as those connected to a pipe that is renodalized Axial nodes inside the heat structure will be split to match split vessel levels This will result in a heat structure renodalization as described in Section 16 3 Heat Structure below Hydraulic connections to axial levels within the vessel will be moved to the closest matching edge location Connections to radial or azimuthal faces will match the closest cell center to the original cell center Axial connections will connect to the closest edge to the original edge Note Adjusting Axial Levels may modify the elevation of connections to a vessel Run the loop check calculation after renodalizing a vessel to check for changes Edge and Volume signal variables will be updated to refer to the closest location in the renodalized ves
31. user to define the maximum allowed distance between cell edges 15 2 Non Condensible Partial Pressure Test This validation test provides an error message when any hydraulic volume inside the model contains non condensables that when the NC Pressure Calc NOAIR namelist variable is On 0 When the NOAIR namelist variable is set to Off 1 the model is required to contain no 89 TRACE Plug in User s Manual Junction Flow Area Test non condensables This test runs through all of the hydraulic volumes in the model and reports which components need to be modified 15 3 Junction Flow Area Test The junction flow area test ensures that adjacent hydraulic volumes have consistent geometry Each edge inside the model is compared with a calculated flow area for the volumes on either side An error is reported if the edge s flow area is more than 10 larger than the smaller of the two calculated flow areas This includes edges between two components Vessels Plenums Fills and Breaks are excluded from this test 15 4 Abrupt Area Change Test The abrupt area change test reports edges that should have a friction or the abrupt area change flag set The calculated area of adjacent volumes are compared If the volumes differ by more than a user modifiable ratio the volumes are determined to involve an area change This test will then report an error if the intervening edge between the two volumes does not have either friction defined or the abr
32. verifies adjacent cell volumes do not differ by a pre defined ratio As a default volumes are considered to be in error 1f one is more than 10 times the volume of the other This ratio can be specified on a model by model basis TRACE Plug in User s Manual 90 Channel Surface Test 15 9 Channel Surface Test The Channel surface test ensures that the canister surface connections between a channel and a vessel are consistent The the axial length of the channel nodes are compared with the height of the connected vessel levels If the channel nodes taken together are longer than the vessel level an error is reported This test is not run in models that do not contain channels 91 TRACE Plug in User s Manual 92 Chapter 16 Renodalization The size and shape of a hydraulic component can be modified through built in editors However a special tool is required to change the number of hydraulic cells while preserving the overall geometry and external connections Renodalization tools are provided separately for 1D and 3D hydraulic components These tools are described in the following sections Note All 1D and 3D renodalization can be safely undone and redone 1D Hydraulic All multi cell 1D hydraulic components may be renodalized These include Pipe Pump Prizers Tees and Valves To begin the process select the Renodalize option from the right click pop up menu of the component in either the navigator or the 2D view as shown in Figure
33. will be created in either the current model or the model designated by the Mn parameter e lt Mn gt An optional argument used to identify the model Valid model labels are MO M9 e category name The name of the component category in quotes TRACE SETVALUE lt Mn gt variable component indexes value This command sets a numerical value on a property inside the model The property must be specified by a combination of label component and node index as appropriate e lt Mn gt An optional argument used to identify the model Valid model labels are MO M9 e variable The name of the variable such as rftn to modify e component The id number of the component to modify The type of component is automatically determined from the variable argument e indexes The indexes argument can include from zero to four integers depending on the variable being modified A complete listing of the variables available for modification and their parameters can be found in Section 19 1 TRACE Variable Indexes below For example to set the void fraction of cell 3 in pipe 101 to 0 773 the following batch command would be used TRACE SETVALUE alp 101 3 0 773 TRACE Plug in User s Manual 112 Setting this same property in vessel 26 axial cell 2 radial ring 3 azimuthal sector 4 would use this command TRACE SETVALUE alp 26 2 23 20 773 Note the change in the number of integer parameters 3 vs 2 3 4 This distinction be
34. 16 1 1D Hydraulic Pop up Menu 16 1 SURT 4 Pipe 1 Properties Renodalize Edit Heatstructures p 4 Show ASCII Reference Docs Figure 16 1 1D Hydraulic Pop up Menu The Renodalize option opens the Renodalization dialog This dialog contains a 2D view of the component at the top and a table of either axial node lengths Nodes or total elevation Elevation 93 TRACE Plug in User s Manual Split at the bottom Figure 16 2 1D Hydraulic Renodalization Dialog displays the 1D renodalization dialog for the pipe shown in Figure 16 1 1D Hydraulic Pop up Menu This dialog allows the component to be renodalized by splitting and merging selected cells Cells can be selected either in the top or bottom of the dialog and split or merged by using Split Split Uniform and Merge buttons The top and bottom of the dialog will update to display the results of each operation Splits and merges can be undone and redone using the forward and back buttons provided When the Next button is pressed the Renodalization Options Dialog will open The Section 16 1 7 Renodalization Options Panel allows the user to customize how affected components reconnect themselves to the renodalized component The Revert button can be used to set the nodalization of the current component to that of a component in the reference model Revert is discussed in more detail in Section 16 4 Reference Model B Renodalizing Pi
35. 3313 3 y 3 Constant 1 o m r Constant 2 Figure 7 6 Control Block Properties The control blocks are broken down into different sections depending on the operation of the control block The tables below display the different ICBN values specified for each type of control block 7 2 1 Arithmetic Blocks Arithmetic control blocks handle basic mathmatical functions These blocks also handle functions with one two or three independent variables TRACE Plug in User s Manual 60 Calculus Blocks Oo BE X 7 Di ie fin y de exo arom postive deren on the two Input va latvia asado number 0 seria apor OOO Table 7 2 Arithmetic Block Types 7 2 2 Calculus Blocks Calculus control blocks handle more advance mathmatical functions ee ini dooieinegatoe Table 7 3 Calculus Block Types 7 2 3 Controller Blocks Controller blocks contain control blocks that are typically used to control specific properties eva Table 7 4 Controller Block Types 61 TRACE Plug in User s Manual Logical Control Blocks 7 2 4 Logical Control Blocks Logical blocks represent simple logical comparisions Table 7 5 Logic Block Types 7 2 5 Manipulation Blocks Manipulation blocks are used for manipulating numerical values TRACE Plug in User s Manual 62 Time Blocks A ini ae 8 ini During Transient mr o Table 7 6 Manipulation Block Types 7 2 6 Time Blocks Time control blocks include al
36. 71 82 ser Defined Mat oa dd ol Aa ae 2 71 830 Radiaci n Enclose S a a doi 71 I Power OMpPOneMts een E 73 Dl BOW CE nes een tenths saccades ren nein lee se 73 DA POWER Pr Opee 2 ee re 13 921 2 Power Shops nern sense 74 922 Pluid Power zn ee eine Dh au 75 92 1 Powered Component lua 76 10 Countereurrent Flow Dini at On zu een idee 71 LT Ontain Components sti oi 79 LEren COMI DONEINS e A E 81 1 ASCH PO ee en en ee nee 83 14 Retrieye Initial Condition g eee aan 85 141 Manasins Initial Conditions an 2er ei 86 15 Model Validation Tess nn nenne 89 AM A nee 89 15 2 Non Condensible Partial Pressure Testi aa 89 15 3 JUncion Flow Atrea Test did 90 15 4 Abrupt Area Chano Lestat ein ea 90 15 52 Ede Hy dro Diaimeter Fest ses ae ua a 90 15 6 PUMPERICO Consistency Testa a a a 90 13 9 Vesse onne donr Test re ee esse 90 IA Ad acen Cell Volume Tie 90 15 9 Ch nnel Surface Test ia 91 16 RENCIA a aitens 93 E AN 93 A A O essen 94 16 12 Sp DOOM os 95 A o A O A A icoaat da 95 OTA Plevati n CO essen 95 16 1 5 Annpunce Chansest see iaa 96 16 1 6 Irreversible Loss Behavior nossen tesa a aaa 96 16 1 7 Renodalization Options Panel svrsi a 96 16 230 dra ri id di 98 16 2 1 Vessel Axial Renodal zatlon esiseina 98 16 2 2 Vessel Radial Renodalization ici ae aan 100 16 2 3 Vessel Az muthal Renodalization occooccoccncnnocnocnncnnncnncnnnnnnnnnonos 100 63 2 MU A ee esse 101 163 1 Radial Renodalzati n u ans
37. A stored set of conditions will be deleted when the Remove buton is selected Note Once a set of conditions is retrieved from an existing run and stored the conditions can be loaded without having the existing run available 87 TRACE Plug in User s Manual 88 Chapter 15 Model Validation Tests The TRACE plug in performs optional tests to val date the data inside the model These tests occur before a model is exported to ASCII submitted to a calculation server or when the Check Model v button is pressed The validation tests are displayed below in Figure 15 1 Model Validation Tests All validation tests include a verbosity option for controlling the amount of detail provided by the test Only tests that are Enabled will be included during model validation awaka Model Validation Tests Validation Tests Enabled Validation Tests Elevation Check et Man condensible Partial Pressure el Junction Flow Area Test o General Optional Disabled verbosty _ Nom e Close Figure 15 1 Model Validation Tests 15 1 Loop Check This test verifies the specified position of components inside the model Also known as the Loop Checker this verifies that all hydraulic component elevation data is consistent between connected components If grav terms are defined then the loops will be checked to ensure that they have consistent lengths and grav terms to prevent gravity pumping The Tolerance setting allows the
38. Mlass flow controller Fill Vapor Mass flow controller Fill Liquid Temperature Controller Fill Vapor Temperature Controller Fill Void Fraction Controller Fill Pressure Controller Fill Partial Pressure Controller Figure 6 18 Fill Hydro Input Dialog 6 4 Feedwater Heater Feedwater heaters are modeled in TRACE as Tee style component The main tube represents the heater volume while the side tube represents the steam input from the turbine The standard hydraulic properties included in a heater are detailed in Section 6 5 Pipe These properties include geometry friction initial fluid conditions etc The Tee properties that a feedwater heater 25 TRACE Plug in User s Manual Feedwater Heater Properties must implement are detailed in Section 6 11 1 Tee Properties below Figure 6 19 Feedwater Heater Completion Dialog below displays the completion dialog for a new feedwater heater Define the Heater Main Tube Length 4 0 m Side Tube Length 1 0 m Main Tube Flow Area 1 0 m Side Tube Flow Area 0 1 m Number of Main Tube Cells 37 Ok Cancel Figure 6 19 Feedwater Heater Completion Dialog 6 4 1 Feedwater Heater Properties The general properties of a heater are displayed below in Figure 6 20 Feedwater Heater Properties These properties control the heat transfer between the shell hydraulics in the heater component and the hydraulic component connected through
39. Non Condensibles Controller Figure 6 7 Break Hydro Input Dialog 6 2 Channel TRACE allows the user to implement a bundled fuel channel component as a hydraulic component that contains all of the heat structure properties for the canister wall and fuel rods The standard hydraulic properties included in a channel are detailed in Section 6 5 Pipe These properties include geometry friction initial fluid conditions etc Figure 6 8 Channel Completion Dialog displays the completion dialog for initializing a new channel TRACE Plug in User s Manual 18 6 2 1 90 99 initialize Channel Geometry Hydraulic Properties Lu bral Cells Between Plates Mozzle Cells End piece cells Flow Area 2 0 m 2 Length of Plate Region 10 0 m Length of Nozzle Region All Length of End piece Canister Thickness IE m width Pm Temperature OO E Material Material 6 Stainless 304 Radial Nodes 2 Fuel Axial Cells 3217 Radial Nodes gH Thickness 6 0E 3 m Y Temperature 300 0 KP Figure 6 8 Channel Completion Dialog Channel General Properties Channel General Properties The general channel preferences include options for defining the general channel options Figure 6 9 Channel Properties displays the properties of a blank channel created in the Model Editor Rod Symmetry cmo te Dinner Le Constant Pitch to Diameter ES Fine Mesh Reflood CO True False Radiation Model food iso cacas m olon
40. RR o a l LA Istallaton ISOC OOS a se dei l 2 Creatine a TRACE Modeleri ee lie 3 2 1 Importine an Existino ASCI File eee ei 3 22 IMPONE Tom TPR oss ois don is ine 4 2 3 Credins ad New TRACE Model ars nl 4 3 AGI IN Mod MA o o OE o erh 5 Sl TRACE Plusi Preferences rca ies 6 3 1 1 Default Initial Conditions oocooccocnnccnocnncnnnnnoconcnoncnnnnnononcnncnnnnnncnnnnos 6 a AAA a hades a A 7 Je Edina Model PrO penis sita dd ee ee 9 Dl Model Opu OMS nase 10 6 Hydraulic Components sists soiree eal ee lH 15 Gall Break een ea en er ee ene 15 Gl Break Penta is 15 OAD Break Table usina tato les aleteo dados 16 6 1 3 Break Scale Factors 2 ee 16 631 4 Break State Controllers sense 17 6 1 Break Contan Coupling sss R 17 6 1 6 Break Trac Sp a nee een 17 6 1 7 Break Control Connections usssessenesesensenesensenennenennenennennnen seen 18 0 2 C Hanne A een nes ieh 18 6 2 lo Channel General Properties u cn 19 6 2 2 C h nnel Canister Properties 20 6 2 3 Channel Fuel Properties uses a a ee en 20 6 24 Channel Rod Locations ernennen 21 6 25 Advanced Channel Festes aussen 21 Oe care sant case teaser 22 63 1 Bill Typ ce O N 23 63 2 Bill Tablessasue mama A Dees 23 033 Pill Contar COUP HN each 24 6354 Kill Scale Pactos 2 seat Nase 24 6339 pul State Controller anat ic u N 25 6 30 PU Control Connections ee la a 25 0 Pecdwaer Heat rain 25 04 L Pesdwater Heater Properties asus ee air
41. TRACE Analysis Code 9 General Optional Disabled Use Cell Labels True False Show Completion Dialogs True False 9 Default Initial Conditions Use Default Initial Conditions True False Gas Volume Fraction NC Partial Pressure 9 Connection Preferences Dashed Control Systems True Control Connection Color 255 0 0 Hydraulic Connection Color 0 0 255 Hydro Input Connection Color 0 175 0 Figure 3 2 Plug in Preferences 3 1 1 Default Initial Conditions The default initial conditions are used for the state data in hydraulic components created inside the Model Editor This is a way to easily build a new model that contains components with the same initial state These values have no effect on components imported into the Model Editor or copied from an existing model TRACE Plug in User s Manual 6 Chapter 4 Editing a Restart Case TRACE supports restarting finished calculations through the use of a restart deck A restart deck contains a subset of the data in the original input deck This includes all the namelist variables user defined units and user defined materials In addition to these properties that must be resupplied the restart deck includes a fully re supplied component entry for any component that has been modified New components may be added and existing components may be removed
42. TRACE Plug in Users Manual Symbolic Nuclear Analysis Package SNAP Version 3 2 5 October 25 2012 Applied Programming Technology Inc 240 Market St Suite 208 Bloomsburg PA 17815 1951 TRACE Plug in Users Manual Applied Programming Technology Inc by Ken Jones Bill Dunsford John Rothe and Don Ulshafer Copyright 2007 2011 ea Disclaimer of Liability Notice The Nuclear Regulatory Commission and Applied Programming Technology Inc provide no express warranties and or guarantees and further disclaims all other warranties of any kind whether statutory written oral or implied as to the quality character or description of products and services its merchantability or its fitness for any use or purpose Further no warranties are given that products and services shall be error free or that they shall operate on specific hardware configurations In no event shall the US Nuclear Regulatory Commission or Applied Programming Technology Inc be liable whether foreseeable or unforeseeable for direct incidental indirect special or consequential damages including but not limited to loss of use loss of profit loss of data data being rendered inaccurate liabilities or penalties incurred by any party or losses sustained by third parties even if the Nuclear Regulatory Commission or Applied Programming Technology Inc have been advised of the possibilities of such damages or losses Table of Contents Ps Intoducton RA
43. The layout of the dialog is very similar to the vessel initialization configuration dialog Refer to the previous section for information on TRACE Plug in User s Manual 52 Drawn Representation adding removing and mapping junctions An edit mode combo box is provided at the bottom of the dialog This includes options for editing the different property types When a property type is selected the table will refresh to include the properties which are associated with that type Table cell editors are provided for editing each of the individual property values Pressing the OK button will set the specified values on the vessel junction component and close the dialog Wessel Connection Initialization i t 22 tins 1 Flow Factor F cd ti 22 ARELES 1 Flow Factor F rd thi 2 5 1 Flow Factor F ria ti 2 5 Mw Factor F Mi fi tit 22 11 ES 82 1 E mw Factor F a 63 m2 1 EJ 25 1 Fon Factor SII ICI ME a a wi Factor F 11 G4 2 tL EJ z wi Factor F F TEIETETETSTETEEISTEIE he aa aleja Ba 3 lel28sjalsizlale gt 2 Frichon Figure 6 66 Vessel Junction Property Editor 6 16 3 Drawn Representation A 2D drawn representation is provided for vessel junction components It includes two connection points for connecting to a source and target vessel The connection tool can be used to create connecti
44. Unknown Unknown Parr TST er peri Initial Rotor vel Rotor Inertia Rated Massflow Figure 6 51 Turbine Properties Valves In TRACE Valve components are modeled as a pipe segment containing a valve edge The standard pipe properties included in a Valve are detailed in Section 6 5 Pipe These properties include geometry friction initial fluid conditions etc Valve components are used to control flow through the model In general these are used to simulate one or more valves inside the plant however they can be used to activate the transient Figure 6 52 Valve Completion Dialog below displays the completion dialog for a valve Like other completion dialogs this dialog will not be displayed if the Use Completion Dialogs preference is set to False TRACE Plug in User s Manual 42 Valve properties O AA Initalize Valve Total Length 40 m Hydraulic Diameter 1 0 Number of Cells 4 Orientation Horizontal O Vertical Figure 6 52 Valve Completion Dialog 6 13 1 Valve properties The valve properties are primarily dependent on the Valve Type IVTY selected Figure 6 53 Valve Properties below displays the properties of a sample valve The Valve Interface Index IVPS is the index of the edge inside the valve where the interface is located Note The Valve interface may only be an external edge if that edge is connected to a Break component alve Interface Index Edge 2 of
45. a heat structure im Shell oid vs Liquid HT Rows 0 Drain Void vs Liquid HT Rows 0 Shell void Ys Liquid Level Rows 0 Figure 6 20 Feedwater Heater Properties 6 4 2 Feedwater Heater Valve The feedwater heater includes a valve that controls the steam input flow from the turbine The valve properties for a new feedwater heater are displayed in Figure 6 21 Feedwater Heater Valve o Valve independent source enon bfe alwe Interface Index Edge 17 Hydraulic Diameter Unknown fir Flow Area Unknowri mie Flow rea Fraction Unknown le Figure 6 21 Feedwater Heater Valve 6 5 Pipe The pipe component is used to represent one or more pipes through the system Figure 6 22 Pipe Completion Dialog displays the completion dialog for a new pipe created inside the ModelEditor If the completion dialogs are not enabled the TRACE plug in will remember the TRACE Plug in User s Manual 26 6 5 1 6 5 2 Pipe Properties last values entered For a newly created pipe the cell volumes will be evenly divided along the specified length O Initalize Pipe Total Length 10 m Hydraulic Diameter 1 0 Number of Cells 10H Orientation Horizontal O Vertical E Figure 6 22 Pipe Completion Dialog Pipe Properties The majority of pipe properties are cell and edge properties These properties can be edited using the custom editors provided for Comp
46. a user to store and load existing initial conditions Each of the stored initial condition sets will be saved and loaded with the model The editor for managing model initial conditions can be accessed from either the right click pop up menu item of the TRACE model node or in the Model Options property view next to the Initial Conditions property The editor is displayed below in Figure Manage Initial Conditions Manage Initial Conditions Editor Manage Initial Conditions Description Initial Status he base initial conditions of typpwr 2 Pre Scram The initial conditions of the model right before scram Figure Manage Initial Conditions Manage Initial Conditions Editor Notice that the editor provides a few options for managing initial conditions Selecting the Retrieve button will cause the dialog to display the retrieve initial condtions dialog shown in Figure Retrieve Initial Conditions Retrieve Initial Conditions Dialog The dialog provides a way to set the initial conditions by importing them from an existing run Selecting the Store button will store the current model initial conditions This can be used in conjunction with the Retrieve button to save sets of retrieved initial conditions Once a set of conditions has been stored a name and label can be applied to identify those conditions Selecting the Load button TRACE Plug in User s Manual 86 Managing Initial Conditions will load the conditions of the selected set
47. al mesh intervals of all of the material regions combined The highlighted rows in this table correspond to mesh intervals for material regions that are highlighted in the top table This allows an easy way to identify which mesh intervals come from which material regions Additionally the second column in the bottom table specifies the material for that interval Manually defined mesh intervals may be split into multiple intervals or joined together using the Split and Merge buttons Only mesh intervals inside the same material region can be merged together This dialog may result in a renodalization of the heat structure further described in Section 16 3 1 Radial Renodalization Manually defined mesh intervals allow the user to change the size and location of mesh intervals by specifying the inside and outside radius or the inner and outer relative positions or finally by specifying the thickness of a region TRACE Plug in User s Manual 70 Built in Materials Specifying the radius or relative position of a material region will modify the adjacent regions to preserve the thickness of the heat structure Changing the thickness of a mesh interval will only modify that specific interval 8 1 4 Built in Materials TRACE includes several commonly used materials that have well defined behaviours over a large range of temperatures These are listed below along with their corresponding material numbers in Table 8 1 Built in Materials
48. an i Component Wide 8 Elevation OK Cancel Figure 16 12 Revert Component After selecting a component the user has the option to copy over all cell and junction data or only geometric data as shown in Figure 16 12 Revert Component Like a other renodalization operations the changes will not be made until the user presses the OK button The related components such as heat structures and hydraulic connections will update as though the user had modified the nodalization directly 103 TRACE Plug in User s Manual 104 Chapter 17 Loop Closure The loop closure tool inside the TRACE plug in allows the user to examine the exact elevations of nodes inside the model This test examine the hydraulic components inside the model and determines the separate hydraulic systems These systems are then listed in a dialog shown in Figure 17 1 Hydraulic Systems Selection which allows the user to select a root component and to specify an inlet elevation for that component If the IELV namelist variable is set true the inlet elevations are initialized by the cell centered elevations specified for fluid components pa PA EA Hydraulic Systems System eee Root Inlet Humber Component Elevation im 1 Wl Wessel26 265 3 d wessel 00 B el Tee 17 17 bkn loop sec si 3 bk Tee 18 185 int loop sec sid amp Figure 17 1 Hydraulic Systems Selection Once
49. aoters f 0 Tee 112 81 111 Cell 10 0 9905 TEE RTE 538 Tas 112 81 12 Cell 11 0 275539 le all 17 0 807213 A ww Bl Figure 5 6 FRICS K FACTORS Conversion Report 13 TRACE Plug in User s Manual 14 Chapter 6 Hydraulic Components TRACE components used to model fluid dynamics are grouped together as hydraulic components These include boundary components Fill and Break 1D fluid segments Pipe Plenum Pump Prizer Tee and Valve as well as the 3D Vessel component Hydraulic components are found by expanding the Hydraulic Components node in the navigator 6 1 Break A Break component is a boundary component typically used to provide a sink for liquid and vapor flows exiting the system Breaks may have constant fluid conditions table defined conditions or conditions controlled by a control system Figure 6 1 Break Properties displays the general properties of a newly created Break The variable JBTY or Break Type determines how the break will behave bd Break 1 General Optional Disabled Fomponenname __ Jamones Tg comsonern timber ji Te 0 Enter liquid gas O Last Interp State A al re Wr wh al re We E SD Unknown l 0 0 Initial Pressure ToB 0 True 8 False Max Pressure Change Rate 10820 Pays a ns RE Figure 6 1 Break Properties 6 1 1 Break Type The Break Type IBTY for new breaks is initialized to 0 This defines a br
50. ar editor e Plot The plot command provides a listing of available plot variables from the current tabular data One independent and one or more dependent variables can be selected for plotting Data is plotted using the APTPlot pug in Note In order to plot table data Configuration Tool must have the path to the Acegrace executable defined 9 TRACE Plug in User s Manual Model Options EI Geometry Pipe 1 Cell Humbes E Fikri volume 87 Copy Paste Select All UT TH ea 0 1187 Lergih 1 a Tao Phase 20 Drasing DZ m a b i Be Level Trackini Fr 00650168 0555168 6501680 0 656168 0556158 Dasare 1556168 Fee be 0 550163 0 11873087 0656168 Calls Edges Figure 5 2 Custom Editor Options Additional editors are displayed in the following sections 5 1 Model Options All of the properties of a model that appear outside of other components can be found in Model Options This includes global properties such as the model name and comment section as well as the run controls The Namelist variables the constrained steady state controllers and the hydraulic path steady state controllers are sub blocks of model options and can be found by expanding the node in the navigator Figure 5 3 Namelist Properties below displays the general Namelist properties for the model The Show Inactive Entries option limits the displayed properties to those namelist variables that are currently ac
51. ariables These factors are located in the Scale Factors attribute group as displayed below in Figure 6 3 Break Scale TRACE Plug in User s Manual 16 Break State Controllers Factors The specified scale factor is applied to the appropriate state variable whether the variable is defined in a table or is specified from a generalized state controller 9 Scale Factors Liquid Temperature Scale apor Temperature Scale 1 0 O Noncondensable Scale 0 Solute Scale 1 Figure 6 3 Break Scale Factors 6 1 4 Break State Controllers Type 6 Breaks use control systems to define the current fluid state Any property without a controller is defined using the corresponding constant property in the general data If interactive variables are selected the associated properties can be adjusted during run time to steer the calculation The generalized state variables are displayed in Figure 6 4 Break State Controllers State Controllers apor Yolume Controller lt none gt s lt none gt Moncondensable Controller lt none gt Pressure Controller lt none gt s 9 lt 9 lt 9 lt 9 lt 9 lt 0 Liquid Temperature Controller lt none gt Ej p ID ri o p a iD apor Temperature Controller none gt pel Figure 6 4 Break State Controllers 6 1 5 Break Contan Coupling A Break component can be attached to a Contan compartment when the break type IBTY is
52. ase as a restart input deck by pressing the Save button or discarded by pressing the Close button 7 TRACE Plug in User s Manual standpipe med Standpipe Editing Restart Case Long EZ Model Options 5 t Hydraulic Components 3 o Wi Breaks 1 lll Channels 0 E Fills 1 Ay Fill 1 fet Heaters 0 Pipes 1 Pipe 21 is Plenums 0 Gr Pumps 0 O Prizers 0 Figure 4 2 Graphical Restart Editing Note Not all properties can be edited for a restart These properties will be disabled when editing a restart The contents of a Restart Case may also be imported from or exported to a local file To import a restart deck select the Import Case item from the Case s right click pop up menu Similarly to export a restart deck select the Export Case item from the Case s right click pop up menu Two additional Restart Case properties are used to assist the process of building restart models The first 1s the Initial Conditions property which allows a previously retrieved and stored set of initial conditions to be selected for the case This set of initial conditions will be applied to the case when it is opened for graphical editing but will not count as a change to the model The second is the Preserve Numerics property which indicates that any user defined numeric that starts with a dollar should be included in the restart case by name instead of by numeric value TRACE Plug in User s Manual 8 Chapter 5 Edi
53. ated Density 1000 0 kg m Rated Speed 124 4 rad s Figure 6 40 Pump Rated Values 6 7 7 Pump Homologous Curves The Degradation Option and Pump Curve Option determine which pump curve properties are required The pump curve properties are displayed below in Figure 6 41 Pump Curve 37 TRACE Plug in User s Manual Pump Control Connections Properties The pump head and torque curves must be entered for each quadrant while the degradation multiplier tables have a single table applied to all values Curves TA 01 0 02 0 03 0 EX 9 01 0 02 0 03 0 EX 9 01 0 02 0 03 0 Ex FA FA FA Fully degraded Torque 01 0 02 0 03 0 EX Head degredation Mult Rows O orque degredation Mult Rows O Figure 6 41 Pump Curve Properties The pump head and torque tables are modified in a custom dialog that allows the user to select the quadrant and enter the data for that quadrant as a regular table The column headers for these tables display the unit label for the selected quadrant The custom pump curve dialog is shown below in Figure 6 42 Pump Curve Dialog fy Fy FY Homologous Curve Region ar Table Values Figure 6 42 Pump Curve Dialog 6 7 8 Pump Control Connections Control system components are used for many of the tables and properties inside pumps These control connections may be entered directly in the property view from a component selection dialo
54. ble Radial Mesh True False Radial Geometry Pipewall Material Ill Material 6 Stainless 304 Wal Temperature 20 6 Temperature Values Outside Component Constant BCs Br 7 er Radius 0 1 m HF C BOT 20 eo Figure 6 29 Pipe Wall Properties 6 5 5 1 Variable Mesh Pipe Walls The TRACE Plug in supports defining a variable radial mesh for pipewall heat structures This property is enabled when the pipewall is turned on inside a Pipe During ASCII export the plug in will generate a stand alone heat component which will be included in the ASCH model This generated heat structure will have all of the same data as the TRACE spawned heat structure for a standard pipewall with the exception of the radial geometry A standard pipewall has a fixed radial geometry where each node is evenly distributed The variable mesh heat structure has a user defined radial geometry Figure 6 30 Pipe Wall Radial Geometry below displays the dialog for defining the variable radial mesh This dialog displays the radial geometry of a variable mesh pipewall The first column in the dialog displays the mesh interval number The third and fourth columns display the position from the center of the pipe The fifth and sixth columns display the relative inside and outside positions bounding the interval These are relative to the inside surface of the pipewall The last column displays the thickness of each mesh interval This dialog provides the ca
55. coefficients to be converted e Edge The edge which contains the loss coefficients to be converted In most cases edge ordering starts at the inlet of the component and increments to the outlet side of the component For 3D components the edge face direction is provided along with the coordinates of the cells which share that edge e Source Volume The cell number which is the source of the specified edge For 3D components cells are identified by coordinate locations as opposed to numbers e Source Cell Length The computed dx for the cell on the source side of the specified edge e Target Volume The cell number which is the target of the specified edge For 3D components cells are identified by coordinate locations as opposed to numbers TRACE Plug in User s Manual 12 Model Options e Target Cell Length The computed dx for the cell on the target side of the specified edge e Hydro Diameter The hydraulic diameter of the specified edge e Forward Loss FRIC The FRIC value appropriate for the current edge If the model previously defined K Factors this would be the calculated loss otherwise this is the original loss specified in the TRACE model e Forward Loss KFAC The KFAC value appropriate for the current edge If the model previously defined Frics this would be the calculated loss otherwise this is the original loss specified in the TRACE model Once the report has been provided the OK button on the dialog wil
56. d in a platform independent binary restart file TPR generated from TRACE The import process is very similar to the ASCII import In the file selection dialog displayed Figure 2 1 File Import Dialog selecting the TPR as the file type will allow the user to select a TPR file Once the persistant data has been read in the user must select a timestep for the state data Figure 2 2 TPR Edit Selection Dialog displays an example timestep selection dialog The state data includes all the transient data such as fluid state heat structure temperatures and control block initial conditions gt EA PA FY Edit Chooser Choose an edit location Time Steg Time ts 0 0 0 Figure 2 2 TPR Edit Selection Dialog 2 3 Creating a New TRACE Model A TRACE model can be created by selecting TRACE from the list of available plug ins in the New Model Dialog This will create a blank model with a single open view From here new components can be inserted or pasted into the model TRACE Plug in User s Manual 4 Chapter 3 Editing A Model Once a model is open in the ModelEditor via importing ASCH opening an existing MED file or creating anew model t can be modified in a variety of ways New components can be added to the model through the navigator shown below in Figure 3 1 Model Navigator or by using the insert tool in a 2D view Existing components can be modified connected and disconnected through the property
57. dalized 10 125 m Figure 16 4 Renodalization Options Panel When the OK button is pressed the changes are finalized and applied to the model The Renodalization Report Dialog is displayed after the renodalization is complete This dialog shown in Figure 16 5 Renodalization Report contains detailed information regarding the components modified by the renodalization Changes which may affect the result of the calculation such as elevation changes are reported as warnings The report can be exported to a local HTML file by using the Export button 97 TRACE Plug in User s Manual 3D Hydraulic Renodalization Report 2 Volumetric Signals 1 Warning A Refueling Storage Tank Liquid Lewel 23 Modified by Pipe 3 renodalization state Location 1 Position Original 8 675 m Renodalized 10 125 m Model Options E Modified by Pipe gt renodalization Constrained Steady State 5 NMMPCS5 State o Position Original 5 5 tm Renodalized 5 5 tm Figure 16 5 Renodalization Report 16 2 3D Hydraulic Vessel components inside a TRACE model may be renodalized along each axis axial radial azimuthal Figure 16 6 Vessel Pop up Menu below displays the right click pop up menu that appears for a Vessel component control Syst Show ASCII Reference Docs Thermal Co Renodalize Axial Levels CFL Model Renodalize Radial Rings Renodalize Azimuthal Sectors e Figure 16 6 Vessel Pop
58. del This command identical to the model pop up menu item Begin Editing Restart Any subsequent changes made to the model before the STOP_RESTART command will be considered restart changes and will be included in any restart deck exports 111 TRACE Plug in User s Manual TRACE STOP_RESTART This ends a set of restart changes and returns the model to a non restart state This is identical to the model pop up menu item Stop Editing Restart TRACE SET_NAME lt Mn gt name This command sets the name of either the current model or the model designated by the Mn parameter e lt Mn gt An optional argument used to identify the model Valid model labels are MO M9 e name The new name of the model in quotes TRACE CREATE CONSTANT lt Mn gt constant name This command is used to create a new user defined constant with the specified name An error will result if a constant with the given name already exists The new user defined constant will be created in either the current model or the model designated by the Mn parameter e lt Mn gt An optional argument used to identify the model Valid model labels are MO M9 e constant name The name of the user defined constant to be created in quotes TRACE CREATE_VIEW lt Mn gt category name This command is used to create a new view containing all the components in the specified category Acceptable categories can be found as the names of category nodes in the Navigator The new view
59. del be selected The PARCS model selection editor will allow a PARCS model to be selected from within the Model Editor or from an external med file 2D Hydraulic Mapping will create a mapping file which couples PARCS to TRACE hydraulic components The desired hydraulic components to couple should then be selected as well as their initial core locations The hydraulic components will be defined at the selected planar locations across each of the axial levels Each level can be reconfigured in the Map Coupling Editor for the selected map 119 TRACE Plug in User s Manual Initial Map Creation Define PARCS Coupling Mapping Type PARCS Model Hydraulic Components 0 Hydraulic Components Le 2 a 32998 Thermal Components 0 Thermal Components Mapping Format a Automatic Explicit Ok Figure 21 2 2D Hydraulic Map Creation The Vessel Mapping type provides the ability to define couplings from PARCS to TRACE vessel geometries Once the vessel to map to has been selected the Core Bottom and Core Radius properties should be defined The Core Bottom property will determine from which axial level the coupling will connect to The Core Radius property defines the highest radial node to connect to These properties provide the ability to restrict the coupling to specific segements of the entire core Define PARCS Coupling Mapping Type PARCS Model Vessel None Selected Vessel Geometry Core Bottom 1 Core Radius
60. des Selecting on a hydraulic component in the provided list will cause the 2D mapping display to select each of the nodes which are assigned to the selected hydraulic component Selecting on a 2D mapping node selects the hydraulic components in the list which are mapped to the selected nodes The assignment of the hydraulic components to the 2D mapping view is similar to the vessel mapping dialog Selecting the Assign button will set the cursor to a crosshair which can be used to select the hydraulic component which is to mapped to the selected nodes select Hpdraniit hedar ee Teura arar Learn High he bhi en gage rag ig dia lis P r es Mak Pira riz Feen Hl Li Figure 21 6 Hydraulic Mapping Editor Both the Hydraulic Mapping editor and Vessel Mapping editor provide undo redo capabililty An undo or redo operation can be made by clicking on the provided buttons or pressing the control z undo control y redo key combinations The undo redo state s tied to the dialog and has no affect on the system undo manager TRACE Plug in User s Manual 122 TRACE PARCS Coupled Jobstream The Hydraulic mapping allows a core region to be split n either vertical or horizontal locations Selecting the Split Locations editor from within the Hydraulic mapping property view will enable the Split Location editor The editor allows any number of split positions to be added Split rows and columns will have a proper split fraction assigned Sp
61. dialog TRACE Plug in User s Manual 30 Pipe Friction Data aA eA Initial Conditions Pipe 11 Edge igui Number velocity m s welocitwv nfs 112 Close Figure 6 27 Pipe Edge Initial Conditions 6 5 4 Pipe Friction Data The pipe friction data defines the resistance to fluid flow through each edge Abrupt area changes in the geometry are represented here All multi cell ID hydraulic components use a similar dialog to edit their friction data Figure 6 28 Pipe Friction Data below displays the edge friction dialog for a pipe e609 Friction Pipe 11 Number Change Correlation Option Loss O f Fow Factor RICO OO Pi tC FowFactor FRIC 00 CUE FiwFater FRc CO 1 FlowFactor FRIC CO LG 7 CCAA Flow Factor FRIC O Plaen Peete 1 Pr Figure 6 28 Pipe Friction Data 31 TRACE Plug in User s Manual Pipe Wall Heat Structure 6 5 5 Pipe Wall Heat Structure Pipes may have an internally defined heat structure used to represent the pipe wall This heat structure is divided into evenly spaced radial regions defined by the wall thickness A single material is defined over the entire radius of the pipe The outer boundary condition of the pipe wall is controlled using constant temperature values and heat transfer coefficients for both the liquid and vapor phases Figure 6 29 Pipe Wall Properties below displays the pipe wall properties for a simple pipe Pipe Wall Varia
62. e The available selection of the Signal Type will be limited to valid values once the trip has been connected The available signal types are listed below in Table 7 9 Trip Signal Types Signal Variable 2 Trip Signal Expression 3 Trip Signal Controller Table 7 9 Trip Signal Types 7 3 2 Trip Signal Expressions Trip signal expressions provide a shortcut for providing input for the Trip Trip signal expressions behave as control components The expression is made up of smaller sub expressions and up to 5 constants The properties of a signal expression are shown below in Figure 7 7 Trip Signal Expression Properties Signal Expression 1 Properties View Signal Expression 1 E Expressions 1 27 Expression 1 General Optional Disabled Figure 7 7 Trip Signal Expression Properties The sub expressions perform a simple arithmetic operation on two input variables The input variables may be signal variables control blocks trips constants or previously defined sub expressions in the same signal expression Sub expressions can be found by expanding the expression in the navigator The Sub expressions may be added or removed through the right click pop up menu shown below in Figure 7 8 Trip Signal Expression Pop up Menu 65 TRACE Plug in User s Manual Control System Display Annotations gt Signal Expressions 1 E Signal Expression 1 a a Y e EXP Trip Controller
63. e The left most column displays the inside of the heat structure and the right most column the outside of the heat structure Any number of shapes may be input Each shape corresponds to a value for the selected Abscissa variable Shapes can be added with the Add Shape button or removed with the Remove Shape button The Displayed Power Shape spinner can be used to select the currently displayed shape 9 2 Fluid Power The Fluid Power components are used to inject heat directly into the fluid portion of hydraulic components The power is either based on a table or a constant value and is distributed across volumes Figure 9 4 Fluid Power Properties below displays the general properties of a fluid power component 75 TRACE Plug in User s Manual Powered Components Ad Fluid Power 124 124 Target Paar General Optional Disabled 1246 Target Pwr 24 ih ro W z Comments wy a W EEE In beam Option 6 Table Lookup Decay Option 3 Constant Power In Beam Table Rows 7 0 0 0 0 1000 0 5 0E6 13600 Es Initial In Beam o o Initial Decay DT m po mi ma Tm TN po mi o Ea z ro a Z re wi T m p KI a SF In mM iD D z E rm LI amp Zu m ojs S ma alm in 3 amp er Fe 3 3 D ro ro m wi Powered Components 1 Figure 9 4 Fluid Power Properties 9 2 1 Powered Components The d
64. e properties include geometry friction etc The Tee component contains two fluid segments the main tube and the side tube The main tube represents the primary segment while the side tube 1s the segment that intersects the main tube The completion dialog that appears when creating a new Tee inside a TRACE model is displayed below in Figure 6 48 Tee Completion Like other completion dialogs this dialog will not be displayed if the Use Completion Dialogs preference is set to False Initalize Tee Main Tube Length 4 0 m Side Tube Length 1 0 m Main Tube Flow Area 1 0 m Side Tube Flow Area 0 1 m Number of Main Tube Cells 4 EEVEE Number of Side Tube Cells 2 Ok Cancel Figure 6 48 Tee Completion 6 11 1 Tee Properties 6 12 Figure 6 49 Tee Properties below displays the additional properties required for a Tee component These properties detail how the side tube connects to the main tube The Side Tube Junction Index defines the main tube cell where the side tube is connected The Zero Out Momentum flag disables the momentum term in the motion equations Side Tube Junction Cosine is the cosine of the horizontal angle between the main tube and the side tube which is used in the momentum equations as well as the 3D display Figure 6 49 Tee Properties Turbines Turbines are modeled in TRACE as a volumetric component with a main and side tube with similar geo
65. e that includes a radial location will automatically be updated to refer to the radial location closest to the original radial location selected 16 3 2 Axial Renodalization The most frequent cause of an axial renodalization for a heat structure is in response to renodalization of a connected hydraulic component The heat structure will attempt to produce the most compact nodalization that will provide equivalent heat transfer Essentially whenever a hydraulic cell connected to a heat structure is split the heat cell will be split in the same locations Heat cells will merge together as well but only if the surface boundary conditions on both sides of the heat cells are identical at each level That is if the left surface BCs are the same and the right surface BCs are the same the two cells will automatically coalesce into a single cell The user may create a new heat structure nodalization by splitting or merging axial levels directly through the Axial Node Surface BC s editor Figure 16 10 Heatstructure Axial Editor shows each of the axial nodes along the heat structure Surfaces Heat Structure 140 140 reactor core fuel rods Inner Surface Outer Surface Cell Boundary Conditions Boundary Conditions 1 0 Flux 0 0 2 Vessel 26 Cell 1 1 3 2 0 Flux 0 0 2 vessel 26 Cell 1 1 4 4 0 Flux 0 0 2 Vessel 26 Cell 1 1 5 Split Add Remove 9 General
66. e tube models the jet source The standard hydraulic component properties included in a Jet Pump are detailed in Section 6 5 Pipe These properties include geometry friction etc The Tee properties that a Jet Pump must implement are detailed in Section 6 11 1 Tee Properties above The completion dialog that appears when creating a new jet pump is displayed below in Figure 6 55 Jet Pump Completion Dialoge Like other completion dialogs this dialog will not be displayed if the Use Completion Dialogs preference 1s set to False Define the JetPump Main Tube Length 4 0 m Side Tube Length 1 0 m Main Tube Flow Area 1 0 m Side Tube Flow Area 0 1 m Number of Main Tube Cells 3 Number of Side Tube Cells 1H Ok Cancel Figure 6 55 Jet Pump Completion Dialoge 6 14 1 Jet Pump Properties The additional properties of a jet pump that must be defined are displayed below in Figure 6 56 Jet Pump Properties These properties appear in the property view below all the general properties of the jet pump TRACE Plug in User s Manual 44 6 15 a pu m CL z en a E a gt or m Tan T S a a La Ej a a i A a La La e Number Or Jerpumps 7 Reverse Dituser Formos 38 oa 2 7 7 e ff z ur m ST pu Wo wm o o Le Ww Figure 6 56 Jet Pump Proper
67. eak with constant fluid conditions The available options for break type and what they represent are listed below in Table 6 1 Break Type Values 15 TRACE Plug in User s Manual Break Table Constant Fluid Conditions IN Pressure Controlled By Table Pressure and Temperature Controlled By Table Pressure Temperature and Void Fraction Tables Same as 3 with Non condensible gas partial pressure Same as 4 with the Solute to Coolant Ratio Control System defined conditions 7 Contan coupled break Table 6 1 Break Type Values 6 1 2 Break Table The fluid condition values for break types 1 through 5 are entered in the Break Table This table includes a control system component reference for obtaining the independent variable value an optional trip reference for activating or deactivating the table and a flag that determines how the independent variable value should be calculated An example break table for a type 5 break 1s displayed below in Figure 6 2 Break Table Fj i if Editing Break Table Independent Variable Pressure 2 Controller Trip lt none gt Independent Variable Form Negative Positive Independent Liquid Volume Mon Cond Solute to Variable Pressure Temperature Fraction Parial Press Coolant Fa Pa E 2 00 1 0E5 3700 OOO 1 5E5 3850 01 00 00 Figure 6 2 Break Table 6 1 3 Break Scale Factors A non constant break allows the user to apply a scale factor to the state v
68. eat structure The top of the dialog is a rendering panel that displays a scaled representation of a component without elevation changes or volume just axial length The displayed component reflects the cause of the selected component s adjustment In the Figure 16 4 Renodalization Options Panel below the selected signal variable component was modified by Pipe 3 s renodalization The rendering panel displays Pipe 3 s original and modified nodalization and then highlights the reference cell selected by the signal variable To the right of the component tree is a property view that displays the options that may be modified for the selected component In the example below the user can adjust the signal source reference cell by using the spinner provided If changing an option results in a difference in component nodalization the child nodes will be reset Below the property view 1s a report panel that displays details about results of the renodalization on the currently selected node TRACE Plug in User s Manual 96 Renodalization Options Panel E Renodalizing Pipe 3 1635 bkn loop pump suct pipe Original Pipe 3 Modified tf Hydro Connection 4 General Show Disabled DO Vapor Mass Flow Across the Y Axis 22 II Refueling Storage Tank Liquid Level 23 a Model Options t Hydro Connection 3 eS _ gt gt Heat Structure 127 state Location 1 Position Original 8 675 m Reno
69. en user numerics are included in the notebook and one or more are Mathcad functions this setting determines the format of the function output created by Mathcad and linked in the document e Include Section Titles Determines whether the title of the section on a given page is listed in the header e Include Input Listing When selected the ASCII output for each component is listed in a code section after the annotated information e Include User Numerics Determines whether user defined numerics reals integers booleans tables and functions are included in the output e Include Owner Reviewer Listing Determines whether owner and reviewer names and timestamps are included in the annotated component information e Open Exported Notebook When selected the generated document will be opened in the system specific document viewer e Include Component Images Determines whether components with non trivial View graphics include the component image in the document Sub System Settings Exported model notebooks may opt to organize model components by sub systems This functionality is defined in the Sub Systems tab as shown in Figure 18 2 Export Model Notebook Sub Systems Tab TRACE Plug in User s Manual 108 Sub System Settings B Export Model Notebook W4Loop med General Sub Systems Intact Loop Intact Loop Steam Generator sample Child Sub System disabled Broken Loop Broken Loop Steam Generator Figure 18 2 Ex
70. eneral Optional Disabled 1 Fluid Component 1 X or Radial Axis Only 110 Figure 12 1 Exterior Component Properties 81 TRACE Plug in User s Manual 82 Chapter 13 ASCII I O TRACE models in the ModelEditor can be exported to ASCII files The ASCII export options may be found on the right click pop up menu from the model node in the navigator as shown below in Figure 13 1 TRACE Export Options and in the Export sub menu of the File menu Figure 13 1 TRACE Export Options A TRACE input deck is an ASCH file containing all the data required by the TRACE analysis code to execute a calculation Entire TRACE models can be imported from TRACE input decks by using the File gt Import gt TRACE menu item TRACE models can be exported as TRACE compliant input decks using the menu item found in the Export menu shown in Figure 13 1 TRACE Export Options shown above 83 TRACE Plug in User s Manual 84 Chapter 14 Retrieve Initial Conditions When restarting a TRACE calculation any resupplied hydraulic components should have initial conditions that correspond those present in the calculation at the time of restart The TRACE plug in has the capability to import these values from a completed job located on a Calculation Server or from a local TPR file Note It is advised that this is done before beginning the restart edit If restart editing has been enabled every hydraulic component control block and hea
71. ent to the TRACE input manual Please refer to the TRACE User s Manual and the SNAP User s Manual for specific information on TRACE input requirements and SNAP general usage respectively 1 1 Installation Instructions The installed SNAP plug ins are loaded when the ModelEditor is opened or when the Calculation Server is started These plug ins are loaded from the plugins directory found in the directory where SNAP was installed The SNAP installation directory defaults to C Program Files snap under Microsoft Windows and usr local snap under MAC Linux and Unix systems The TRACE plug in is always included during installation l TRACE Plug in User s Manual Chapter 2 Creating a TRACE Model A TRACE model can be created in the ModelEditor by either importing an existing ASCII model or by creating a new empty model Once a TRACE model has been created in the ModelEditor it can be saved to a file and later reopened using the File Open menu item 2 1 Importing an Existing ASCII File The SNAP Model Editor supports importing TRACE compliant ASCII input files These files are commonly referred to as decks ASCII files may be imported into the SNAP Model Editor from the Import sub menu in the File menu If the TRACE option is not displayed verify that the plug in is properly installed his will open the file import dialog shown below in Figure 2 1 File Import Dialog Select ASCII as the file type on the right side of the dialog The
72. flow areas are calculated appropriately These same conditions are used to determine the volume of each of the smaller cells 16 1 2 Split Uniform The Split Uniform button allows the user to split each of the selected cells into a user specified number of evenly sized cells Properties for each edge are determined in the same manner as described in Section 16 1 1 Split Note To avoid creating elevation changes split cells into an odd number of nodes when the cell is an elbow or has a crossflow connection 16 1 3 Merge The Merge button joins the selected cells together into a single cell This button is enabled when 2 or more cells are selected Note The cells on either side of a valve interface may not be merged together 16 1 4 Elevation Change The Elevation tab contains a table that displays the Original DZ the Current DZ and the Difference between the two This table is used to determine if the elevation change of a 95 TRACE Plug in User s Manual Announce Changes component has been affected by the current renodalization Renodalization can drastically change the absolute elevation change across a component The most common way to inadvertently change the elevation is to split an curved cell into an even number of nodes or merge a curved cell with a neighboring cell 16 1 5 Announce Changes Activating the Announce Changes option will provide additional information about the renodalization process when the OK bu
73. g or they may be established using the connect tool on 2D Views In the center of the pump node there is a connection point for control system components To use the connect tool to establish these connections click on the output node of a control system component then click on the center connection point inside the pump A dialog will open displaying all of the available connections for the pump as shown in Figure 6 43 Pump Control Input Connections After selecting a control input pressing the OK button will establish the connection TRACE Plug in User s Manual 38 Prizers TIMEOF Ss Connect Hydro Input FA g k if 2 Connect Problem Time 5 as which input Fump impeller Speed Trip 7 Figure 6 43 Pump Control Input Connections 6 8 Prizers In TRACE a PRIZER component is available for presurizer modeling The standard hydraulic component properties included in a PRIZER are the same as for a PIPE and are detailed in Section 6 5 Pipe These properties include geometry friction etc The completion dialog that appears when creating a new pressurizer inside a TRACE model is displayed below in Figure 6 44 Pressurizer Completion Dialog Like other completion dialogs this dialog will not be displayed if the Use Completion Dialogs preference 1s set to False F h fw FEN Initalize Prizer Total Length 40 m Hydraulic Diameter 1 0 Number of Cells 4 Orientation O Horizon
74. gator as sub nodes These rods may include a last axial node to implement partial length rods in advanced rod models gt Fuel Rods Roc Ratio Unknown K Pellet Radius Unknown El Mon Average Rods Valid values Rod Thickness ll Unknown al fa al ale Meshpoints Initial Temperature Temperature 10 9 E Critial Heat Flux 1 AECL_IPPE Fuel clad Interaction True False FC Calculations ka ka El ka Ed id O True False A IR oo 8 8 P 14 ka ka P FA P Maximum Axial Modes oo 1 0E 3 m Gas Gap HTC fo 53000 Rod Emissivity 1 PTE FP rit f Pi rt er Roc Emissivity 2 Rod Emissivity 3 Fuel Modes Metal Water Reaction True False Z o iv peal po mo iD a E ro Ln m s es ms Surface Multiplier o I Figure 6 11 Channel Fuel Rods TRACE Plug in User s Manual 20 Channel Rod Locations 6 2 4 Channel Rod Locations The rod location table is a human readable table for placing rods inside the fuel channel Non average fuel rods and water rods require a specific location inside the fuel channel These locations are specified through the rod locations dialog displayed in Figure 6 12 Channel Rod Location Dialog A Rod Locations Channel 32 Edit Rod Group Selected Rod Fuel Rod 1 Group 2 Clto Figure 6 12 Channel Rod Location Dialog
75. generating model wide reports as a single annotated document called a model notebook Information such as calculations export data model status attribute descriptions etc are all included Note Model Notebooks are created in the OpenDocument Format ODF Many contemporary versions of office software suites provide support for ODF files For versions without support has often been backported in the form of plug ins or filters In particular an ODF plug in for Microsoft Office is provided by Sun Microsystems at http www sun com software star odf_plugin To export a model notebook first open either the File menu or right click on the model node in the Navigator In the resulting menu select Model Notebook from the Export sub menu An Export Model Notebook dialog will appear as shown in Figure 18 1 Export Model Notebook Dialog Document related settings are all placed within the General and Sub Systems tabs explained below The Export button at the bottom of the dialog will initate notebook generation with the current configuration Export Model Notebook W4Loop med General Sub Systems Title Page Tithe Page Note Classification UNCLASSIFIED Header Sample Header Footer Sample Footer Page Styles Left Right Single Page Misc Mathcad Output Format Rich Text Format rtf 7 Include Section Titles Include Input Listing Include User Numerics Include Owner Reviewer Listing Open Exported Notebook Include Co
76. he Trace Step 23 Connect the PARCS model node to the parcs_input input on the step 24 Connect the trctpr output node of the previously added step to the trcrst node on the newly added step 25 Connect the parcs_rst output node of the previously added step to the parcs_rsti node on the newly added step TRACE Plug in User s Manual 124 ites dy stare DEF L taza Input TRACE TRACE i 3 sa TRACE model BE eC tracin tracintretpr p C trerst PO trerst trex gt PARCS model PARCS model 2 parcs_55 3 parcs_tr input modal Figure 21 8 TRACE PARCS Coupled Engineering Template 125 TRACE PARCS Coupled Jobstream trempr LME xD parcs_bpf 1 parco inppares rst O TRACE Plug in User s Manual 126
77. i Mapping Format a Automatic Explicit Figure 21 3 Vessel Map Creation The Import Mapping type will import an existing coupling file The mapping format should be specified according to the type of map which is to be imported Currently the Automatic and Explicit coupling formats are supported TRACE Plug in User s Manual 120 21 2 Mapping Configuration Define PARCS Coupling import Maoping ir Mapping Type PARCS Model El s E Maptab File Mapping Format Automatic Explicit Cancel Figure 21 4 Import Mapping The OK button will become available once all required information is provided The new mapping will appear in the Navigator and additional editing can then be made from the components property view Mapping Configuration After the initial map creation stage has been completed the map should then be configured The property view will display the properties for the specific type of map created The Vessel mapping provides a series of options for defining the coupling between the TRACE and PARCS components The Vessel Mapping editor can be accessed by selecting the Hydraulic Components property The Vessel Mapping editor displays a planar nodal diagram for selecting specific regions in the core and the specific component mapping where values are assigned When a planar region of the core is selected in the 2D Vessel Planar View the 2D mapping view will highlight each of the location
78. ialog for selecting volumes in the model for a fluid power is displayed below in Figure 9 5 Fluid Power Selected Volumes The top half of the dialog is a table that allows selecting hydraulic components inside the model that have fluid volumes Selecting a volume in the top portion of the dialog displays the nodes inside the component that are currently powered A fraction must be defined for each node to determine the fraction of current power applied to the fluid AAA Define Powered Component Cells Hydraulic Components Hydraulic Component Pipe 210 2108 core section Pipe 212 212 core section Pipe 213 2136 core section Pipe 214 2146 core section Powered Cells Cell Number Cell 2 of 6 0 062 Cells 016 0 06 Cell 4 of amp 0 062 cell 5 of 6 O 06 Me Figure 9 5 Fluid Power Selected Volumes TRACE Plug in User s Manual 76 Chapter 10 Countercurrent Flow Limitation Countercurrent flow limitation CCFL models are independent shared components in TRACE They may be selected for any number of edges for ID components or for cells in the Vessel component Figure 10 1 CCFL Model Properties below shows the properties of a CCFL model Al CCFL Model 3 General Optional Disabled a A Lal fe fe vee HE O 0 FE 0 486 0 16 m pope PO Figure 10 1 CCFL Model Properties 71 TRACE Plug in User s Manual 18 Chapter 11 Contain Componen
79. ivided amongst the radial locations for each axial cell in the pipe based on the defined wall fractions Figure 6 31 Pipe Wall Power below displays the Pipe Wall Power properties for a Pipe Wall Power fal Power racnons _ HO121 Pover raten TENE ial Wal power Lg Om poner Max Wal Power Change 0 0 sl Wall Power Scale 1 0 ES e Wall Power Table 0 Power Table Rows EP Wall Power Rate Factor Rows 0 IE Figure 6 31 Pipe Wall Power 6 5 7 Pipe Fluid Power TRACE allows for power to be inserted directly into the fluid of a pipe This is handled through the power to the fluid properties This data is located on the fluid segment sub node Main Tube of a pipe To access these properties expand the pipe in the navigator and select the fluid segment The fluid power is defined through an initial power value and a power table Figure 6 32 Pipe Fluid Power below displays the fluid power properties for a pipe 33 TRACE Plug in User s Manual Pipe Leak Paths o EN Pipe 11 E Fluid Segernent Fluid Power Rate Factor Table Rows 0 Figure 6 32 Pipe Fluid Power 6 5 8 Pipe Leak Paths TRACE allows for special hydraulic connections originating from the side of certain hydraulic components called a leak path Leak paths are connections from the side of a pipe leading to any other volume in the model One of the important differences between a leak path and a standard hydraulic connection is that a leak
80. l accept the displayed changes to the loss coefficients while the cancel button will leave all loss coefficients unchanged A sample report is shown in the following figure Hie ponent Edge Source Volume Source dx TargetVolume Target dx Hydro Diam Han es pg Vessel 20 Adal Face 2 7 17 0 5583 045095 2 94E 5 1 0E 5 Vessel 20 Aal Face 2 8 12 10 5589 045095 2 94E 6 1 0E 5 Tae 102 81 1 61 13 0 23772 0 7974 0 12536 0 2 Tee 102 1 Cell 4 0 7874 0 25720 07994 0 5 Tee 104 51 4 Cell 3 0 69088 0 6 Tee 104 51 15 cenz 0 7874 0 366710 06653 0 5 Tee 104 1 6 Call 4 1 2681 0 366713 69054 0 05 Pipe 110 I Cell 3 10 659099 75 0 92405 0 38348 ZH fi Pipe 110 CE 3 Cell 2 0 7585 6 0 5 Pipe 110 27 Cell 26 0 664718 Junction 121 158385 ootsaaa oooos joa Tee 112151 Cell 14 0 3043 9 0 Tae 112 61 2 Cell 0 2048 E all 2 8 0 Tas 112 61 3 Cell 2 oe Cel3 5 0 Tee 112 51 14 Call 3 0 5906 Cell 4 3 0 Tee 112 1 15 Cell 4 0 9906 Cell 5 15 0 Tee 112 51 6 Gel 5 0 9906 Cell 6 5 0 Tae 112 81 7 Cell 6 0 9908 Call 7 1875 5 0 Tae 112 1 B Cell 0 8008 E ell 6 E 0 Tee 112 1 9 Cell 0 9908 Cell 8 5 0 Tee 112 1 10 Cell 9 0 9906 carro foses rast g
81. l the control blocks that have to do with calculation time Te ICEN Table 7 7 Time Block Types 7 2 7 Trigonometry Blocks Trigonometry blocks perform trigonometric functions on their inputs 63 TRACE Plug in User s Manual Non Standard Control Blocks 7 2 8 ee en ne INC gt 77 Table 7 5 Trigonometry Block Types Non Standard Control Blocks In general there 1s a one to one ratio between control block types in SNAP and TRACE control block numbers ICBN There are three exceptions however TRACE provides multiple control block types for the Sum 5 types Multiply 2 types and Function 2 types operations These TRACE control block type numbers represented in the TRACE plug in as a single set of Sum Multiply and Function blocks The following sections detail the specific differences for each type Sum Block There are five different types of Sum blocks allowed by TRACE Simple Sum 3 Constant Sum 56 Sum of Three 57 Weighted Sum 59 and Multiple Summer 103 Instead of providing these choices to the user SNAP provides one Sum block and then determines which type of Sum block is appropriate on export For example if a Sum block has three input connections each with a weight of 1 0 such as the sample above the export will report a Sum of Three 57 However if the user then enters a weight other than 1 0 for one of the input connections the ASCII output would automatically convert the sum to a Multiple S
82. le 7 1 Signal Variable Behavior Modes 7 1 1 General Signal Variables General signal variables obtain a value from the global properties of the simulation These variables have no Signal reference Most general signal variable allow only the Exact Value Behavior Mode 7 1 2 Component Signal Variable Component signal variables obtain a specific value from a component such as valve stem position pump hydraulic torque or heat structure power reactivity These signal variables require 37 TRACE Plug in User s Manual Volume Signal Variable a component reference but have no specific location Since they have no ICNI or ICN2 values they typically only allow the Exact or Time Difference behavior modes The properties of a Component signal var able are displayed below in Figure 7 1 Component S gnal Variable Pump Rotational Speed 5 9 General Optional Disabled Component Name u nnamed ignal variable ID 5 Description lt none gt Comments none gt Parameter Type 41 Pump Rotational Speed Pump 4 4 bkn loop pump Bad Value Figure 7 1 Component Signal Variable 7 1 3 Volume Signal Variable Volume signal variables are used to obtain a value from either a single cell or a range of cells inside a hydraulic component These signal variables require a hydraulic component reference and one or two locations The dialog for selec
83. lect All Figure 6 59 Vessel Cell Properties The edge data 1s defined in the same dialog by selecting the edge tab The edge properties are also restricted by axis An additional combo box in the edge panel allows the user to select the current edge The graphical representation of the vessel reflects this change by selecting the appropriate edge as shown with the azimuthal edge selection below in Figure 6 60 Vessel Edge Properties Note Flow Area Fraction is a calculated value which does not support user defined numerics 47 TRACE Plug in User s Manual Vessel Boundary Interfaces 80868 Initial Conditions Vessel 26 26 3 d vessel Top Down View Edges a race azimutna Propery yaro Diameter _ m i Area Fraction Ring 1 Ring cl RE Weer 0 Forward Vapor Loss a 0 013 O dReverse Vapor Loss 0 013 dReverse Liquid Loss Select All Side View Lewel Lewel Level Lewel Lewel Lewel Lewel Figure 6 60 Vessel Edge Properties 6 15 3 Vessel Boundary Interfaces The node and interface indexes for various structures inside vessels are located in the Boundary Interfaces attribute group displayed below in Figure 6 61 Vessel Boundary Interface Properties The layer and interface selection spinners are limited by the available nodalization of the vessel Boundary Interfaces Figure 6 61 Vessel Boundary Interface Properties TRACE Plug in User s Manual 48 Ve
84. lic component A source component and edge provide the information for the remote side of the connection The local side details where on the plenum the component is connected The effective momentum length is used in the calculation of elevation changes in the loop check model validation test ry Fh FS Edit ET Junctions Index Component Edge Side Length tm 1 Pipe DP owet Mm o 10 gt ioes te outa O Add Figure 6 34 Plenum Junctions Dialog 6 7 Pumps In TRACE pump components are modeled as a pipe segment containing a pump cell The pump cell is always the first cell The standard pipe properties included in a pump are detailed in Section 6 5 Pipe These properties include geometry friction initial fluid conditions etc The type of pump and its properties are modified directly in the property view The properties needed to define a pump are based primarily on the Pump Type IPTY The dialog that appears when creating a new pump is shown in Figure 6 35 Pump Completion Dialog Initialize Pump Data Total Length 4 0 m Hydraulic Diameter I 1 0 Number of Cells 4 Pump Type lo Table Controlled Fluid Velocity x Orientation Horizontal Vertical Ok Cancel Figure 6 35 Pump Completion Dialog 6 7 1 Pump General Properties The general pump properties are displayed below in Figure 6 36 General Pump Properties These properties are general pump propertie
85. lits can be defined per axial level Split Position Orientation 1 ont Figure 21 7 Split Location Editor TRACE PARCS Coupled Jobstream Once the PARCS mapping has been created it can easily be used in a Engineering Template Job Stream The PARCS Mapping component has an active property Setting this property to true will ensure that the specified mapping will be exported to those Job Steps which require the mapping Only a single mapping can be enabled in a given TRACE model 21 3 The following set of steps describe how to set up an Engineering Template Job Stream in order to run a coupled TRACE PARCS problem 1 Create or import a PARCS model using the PARCS plug in and save the model This step should be repeated if more than one coupling case is to be run as in a steady state and transient 2 Create or import a TRACE model If creating a new model and the case should be coupled set namelist itdmr to PARCS 3 Create anew PARCS Mapping component 4 Configure or import a coupling map 5 Set the map active This mapping will be provided to each of the coupling runs 123 TRACE Plug in User s Manual TRACE PARCS Coupled Jobstream 6 If using a TRACE restart model create a new Case component and import the restart file If doing more than one restart repeat this step 7 Save the model 8 Create a new Engineering Template Model 9 Create a reference model component for each of the TRACE and
86. llows constant radial or axial shape arrays to be specified for the feedback portion of the power calculation The Axial Shape Location Source and Radial Shape Location Source options define whether the power shape should reflect the connected components or 1f they should be based on a user defined table TRACE Plug in User s Manual 74 Fluid Power The Power Shape Table dialog shown below in Figure 9 3 Power Shape Table Dialog allows the user to modify the power shape table for specific entries of an input variable This table contains a row for each axial level in the heat structure If the 2 D axial r or axial x table option is specified the table will include a column for each radial node The left most column displays the inside of the heat structure and the right most column corresponds to the outside of the heat structure me Fy Py Abscissa Global Eigen Yaluef1D 2D Kinetics Form IZPWSV Parameter v Trip lt none gt Displayed Power Shape 2H 2 existing shapes Add Shape Remove Shape Power Shape 2 Abscissa Coordinate Value 500 0 AA AA 2 Axial JLocationim 0 0 2 0E 3 3 0E 3 4 0E 3 01 o0 064285 0 64285 0 64285 0 64285 Free 12321 1 2321 1 2221 1 2321 PES 1 a 5 24283 11786 11786 11786 1 1786 4 0 53571 0 53571 0 53571 0 53571 Figure 9 3 Power Shape Table Dialog If the 2 D axial r or axial x table option 1s specified the table will include a column for each radial nod
87. metry and initial condition properties to Tee components The main tube represents 4 TRACE Plug in User s Manual Turbine Properties flow path through the turbine The side tube models the water drain down to the feedwater heaters The standard hydraulic component properties included in a turbine are detailed in Section 6 5 Pipe These properties include geometry friction etc The Tee properties that must be defined for a turbine are detailed in Section 6 11 1 Tee Properties The completion dialog that appears when createing a new Turbine inside a TRACE model is displayed in Figure 6 50 Turbine Completion Dialog Like other completion dialogs this dialog will not be displayed if the Use Completion Dialogs preference is set to false Initalize Turbine Main Tube Length 4 0 m Side Tube Length 1 0 m Main Tube Flow Area 1 0 m Side Tube Flow Area 0 1 m Number of Main Tube Cells 34 Number of Side Tube Cells 1 Ok Cancel Figure 6 50 Turbine Completion Dialog 6 12 1 Turbine Properties 6 13 Figure 6 51 Turbine Properties below displays the additional properties required for defining a Turbine component Po inet PO Unknown POU rir Poo Unknown kg m Po Unknown 0 No TRAC E Sidearm Model urbine Efficiency heparator Efficiency Initial Rotor el Rotor Inertia Rated Massflow Se fe eS II guna mas 39 Unknown rad s
88. mponent Images Figure 18 1 Export Model Notebook Dialog General Settings The majority of document configuration occurs in the General tab The available options are described below Title Page allows selecting or creating a model note to use as the document title page To the right of the field are three buttons related to the reference Select Edit and Preview Select brings up a Selection dialog to specify which note is referenced Edit opens a dialog for modifying the 107 TRACE Plug in User s Manual Sub System Settings selected note Finally Preview will export the note as an ODF to a user specified location and open it in the system specific default document viewer The Classification Header and Footer fields are optional values placed into the document header and footer Header when specified is placed at the top of every page in the document likewise for Footer and the bottom of the document If Classification s specified the text is placed in large type in both the header and footer Page Styles determines whether the document is generated as pages that alternate between left and right pages suitable for printing in book form or as single pages more suited to an electronic document This setting mostly relates to page margins and the organization of elements in the header and footer such as which side of the footer includes the page number Misc contains the remaining options e Mathcad Output Format Wh
89. n with a check mark Checking values in the include column toggle whether or not the junction will be included in the main junction list The selected junctions are added or removed from the main list with calculated flow areas once the mapping dialog is closed 4 Define Mapping Mapping from vessel 26 to vessel 204 source Location Target Location Figure 6 65 Vessel Mapping Planar Location Dialog The junction initialization configuration table allows specification of some junction properties Flow areas and loss coefficients are provided for each of the junctions These values can be edited much like any other real value in the TRACE plug in K factors or friction factors will be provided depending on the model IKFAC option A reverse loss column will be provided when reverse loss coefficients are needed Pressing the OK button on the dialog will add the new Vessel Junction Component to the model 6 16 2 Editing Properties for the vessel junction component can be specified through the vessel junction property editor The property view for the vessel junction component includes fields for name description number and edge data The vessel junction component number should be a number unique to the existing hydraulic component numbers The Connection Edge Data property provides the vessel junction property editor This dialog allows a user to edit each of the individual junction properties for geometry friction and initial conditions
90. ned from elsewhere in the model This may be a global property such as calculation time or a probed value from a specific location in a component such as the pressure in a cell of a pipe The signal variables are further divided by the source of the property Note A TIME general signal variable is created automatically for all new TRACE models Signal variables have a common property called the Parameter Type or ISVN This is the enumeration that defines what type of signal is to be returned The remaining signal variable properties are enabled or disabled based on the selected type The Behavior Mode property defines how the value should be obtained from the selected input Table 7 1 Signal Variable Behavior Modes lists the available behaviors This property is encoded in the sign or value of the ISVN ICN1 and ICN2 The encoding is provided automatically when the behavior is selected ISVN gt 0 ICN1 gt 0 ICN2 0 The exact value at the specified location ISVN lt 0 ICN1 gt 0 ICN2 0 The time difference of the value at the specified location ISVN lt 0 ICN1 gt 0 ICN2 gt 0 The difference between the values at the specified locations ISVN gt 0 ICN1 lt 0 ICN2 lt 0 The minimum of the values at the specified locations ISVN gt 0 ICN1 gt 0 ICN2 gt 0 The maximum of the values at the specified locations ISVN gt 0 ICN1 gt 0 ICN2 lt 0 The volume average of the values at the specified locations Tab
91. nt This component allows the user to support reactor feedback to multiple hydraulic and heat components in one location A TRACE model may have more than one power component that operate independently to provide power for the system 9 1 1 Power Properties When defining a power component inside a TRACE model the IPWTY flag indicates the type of power being defined The values for this flag are listed below in Table 9 1 Power Types l Constant REACT Pogrammed Reactivity 2 Table Lookup of Programmed Reactivity Initial Zero Programmed Reactivity Initial constant RECT programmed Reactivity Constant Reactor Core Power Table look up of Reactor Core Power 7 Trip Initiated Table lookup of Reactor Core Power Table 9 1 Power Types Independent of type the power is inserted either into heat structure nodes or the fuel rods of a CHAN component The selection is based off the Target Component Type property Selecting which components are powered is done through the Powered Components property The dialog that opens when selecting powered components is shown below in Figure 9 1 Powered Components Dialog This dialog allows the user to specify the fraction of power that goes to each component The axial power shape described in determines how the power will be destributed in the powered components 73 TRACE Plug in User s Manual Power Shape O O Powered Components Power 174 Power Comp for old ht str 140 Un
92. on axial positions and faces are specified A drawn representation of the planar views for each selected vessel will be 49 TRACE Plug in User s Manual Initialization provided Once the connection information is specified the Next button will be enabled In the case where the selected vessels are using the same coordinate system Cartesian to Cartesian or cylindrical to cylindrical the wizard will generate a series of junctions for each of the intersecting areas between the vessels except on those locations where zero volume exists The flows areas for the resulting junctions will be the flow area of the volume formed by the intersecting cells multiplied by the minimum volume fraction of the two adjoining cells No internal junctions will be created when vessels are selected which have different coordinate systems A vessel initialization configuration dialog is provided once the vessels have been selected and the internal junctions are initialized This dialog provides a display of each of the vessels involved in the connection add and remove junction buttons and mapping functionality Vessel Connection Properties 214002 214005 te 1 62 z2 ae ei bz ames oa m DIE 1 EX 3 Figure 6 63 Vessel Connection Initialization Configuration Dialog TRACE Plug in User s Manual 50 Initialization When a junction in the table is selected the planar views will update to identify the cells the junction c
93. onent Geometry Initial Conditions Friction etc Notable exceptions to this are the pipe wall wall power and power to the fluid portions of the pipe Figure 6 23 Pipe General Properties below displays the general properties of a pipe FR Pipe 1 General Optional Disabled Fonpanen ene umanes Tg ipti lt none gt Friction Fric 0 0 0 0 0 0 0 0 0 0 0 0 0 0 En LI Pipe Type 0 No Accumulator 0 Leak Paths m a LA oo iti Valid Conditions El Component Geometry Initial Conditions Critical Heat Flux Wall Roughness Humber of Pipes Leak Paths Figure 6 23 Pipe General Properties Pipe Geometry The geometry of a pipe is edited through the component geometry dialog The component geometry dialog consists of a table for editing the values and a display that shows the pipe This 21 TRACE Plug in User s Manual Pipe Geometry dialog allows the user to change the volume and length of cells as well as the diameter flow area and orientation of edges within a pipe If the ELV namelist variable is set to 1 the edge angles will be calculated from the specified cell elevations Figure 6 24 Pipe Cell Geometry displays the cells panel of the pipe geometry dialog Selections made in the table of the component geometry dialog will be reflected in the visual representation and vice versa Values that cannot be edited e g total volume are shaded in grey Geometry Pipe
94. onnects When a cell on one of the planar views is selected the opposite planar view will identify the locations of junctions made to that vessel Multiple cells can be selected by clicking and dragging across the planar views Press and drag will add cells to the current selection Control click will add or remove the selected cell from the selection Junctions can be manually added to or removed from the list of junctions by selecting the add or remove button Any newly added junctions will be set to the first planar locations Junction connection locations can be changed by selecting on one of the location values in the table and choosing the desired position from the provided planar cell selector dl Vessel Connection Properties EB Map Target Vessel 204 ii P E iii a A lini E a P i ha a ki Pa ai i 2 EA zZ EA E Figure 6 64 Vessel Planar Location Selector A special mapping capability is provided to assist assigning internal junctions at the intersecting areas for vessels which share the same geometry Selecting on a location s on one of the planar views will enable a mapping button This button will display a planar mapping dialog The planar 51 TRACE Plug in User s Manual Editing mapping dialog provides a list of each of the locations on the opposite vessel which intersect at the selected vessel planar location s Any of the junctions which are already specified will be identified in the included colum
95. ons from the drawn vessel junction to the target vessels If one of the connections to a vessel is deleted or disconnected the locations for the internal junctions on the disconnected side are cleared If the vessel junction component is reconnected to a different vessel the locations will need to be respecified to the proper planar locations 53 TRACE Plug in User s Manual Drawn Representation Figure 6 67 Drawn Vessel Junction Component A location specification dialog is provided when the vessel junction connections are made using the connect tool This dialog allows the specification of the axial location and face to connect to on the selected vessel A connection point will be placed at the desired location when the vessels are drawn in the nodalized format TRACE Plug in User s Manual 54 Drawn Representation Axial Level 5 Face Inlet Figure 6 68 Vessel Connection Location Dialog 55 TRACE Plug in User s Manual 56 Chapter 7 Control Systems The control system of model is used to perform calculations and provide system inputs to allow feedback controls and user interaction to the model The control system consists of signal variables control blocks and trips The signal variables serve as inputs from the model Control blocks provide a value based on manipulation of input data Trips activate when an input value enters or exits a specified range 7 1 Signal Variables Signal variables serve as input obtai
96. osely matches the original connection location Axial and radial connections are moved to the sector whose center angle most closely matches the angle of the original sector Azimuthal connections are moved to the sector whose edge most closely matches the original location Edge and Volume signal variables will be moved to the closest location in the renodalized vessel to their original location Volume variables will be moved to the closest cell center location and edge variables to the closest edge location Note Some volume variables may produce different results when the volume of a connected cell is modified Pay attention to the signal variables that report a change Heat Structure Heat structures may be renodalized radially and axially Radial renodalization occurs when the meshpoint array defining the radial geometry of a heat structure is modified Axial renodalization occurs either when changing the hydraulic component connected to the heat structure or when the user modifies the axial nodalization directly 101 TRACE Plug in User s Manual Radial Renodalization 16 3 1 Radial Renodalization The radial geometry of a heat structure may be modified through the radial geometry dialog shown in Figure 8 6 Heat Structure Radial Geometry Dialog When the dialog is closed the heat structures will interpolate all internal tables such as fuel rod temperature based on the radial dimension Any heat structure signal variable referenc
97. p suct pipe First Location Edge i of 6 Second Location Edge 6H of 6 Ok Cancel Figure 7 3 Edge Selection Dialog 7 1 5 Heat Signal Variables Heat signal variables provide access to heat structure values These values may be on individual rods surfaces or nodes inside the heat structure The editing dialog displayed below in Figure 7 4 Heat Selection Dialog provides means for selecting a heatstructure and the locations on that heatstructure Any hydraulic component that may have a built in pipewall may be selected as a source for a heat signal variable This includes pipes tees etc The selection spinners allow the user to select a radial location rod and axial level Heatstructure Signal Signal Source Heatstructure Rod 140 140 reactor core fuel rods First Location Radial 8H Rod 4 4 axial 1 4 Second Location Radial 8H Rod 4 axial 4H Ok Cancel Figure 7 4 Heat Selection Dialog 7 1 6 Control Signal Variables Signal variables can be used to report the current value of a control block or trip component through the Control signal The properties of a control signal variable are displayed below in Figure 7 5 Control Signal Variable Properties Control Block Output 57 9 General 1 Optional Disabled Component Name unnamed ignal variable ID 5 f Description lt none gt Comments lt none gt
98. pability of automatically generating the radial mesh The calculation options allow for a geometric series or for equally spaced mesh intervals The geometric series radial mesh calculation options divide the mesh into regions in such a way that each mesh interval is precisely twice the size of the previous mesh interval The geometric interval can be calculated TRACE Plug in User s Manual 32 Pipe Wall Power starting from either the inside surface or the outside surface The number of mesh intervals in the geometric series is defined either explicitly by defining the number of nodes or implicitly by selecting a maximum size for the starting node of the series Pipe Wall Radial Geometry xs Calculation Mode Equal Distribution v Nodes 5 Thickness 0 02 m Interval Material Inner Outer Relative Relative Number Radius m Radius m Inside Outside Thickness m 1 Material 6 Stainless 304 A 2 Material 6 Stainless 304 3 Material 6 Stainless 304 4 Material 6 Stainless 304 Help ok Cancel Figure 6 30 Pipe Wall Radial Geometry 6 5 6 Pipe Wall Power Power can be applied directly to a pipe wall for any pipe in the model This is a simple way to apply power to a system without defining more complicated heat structure components The pipe wall must be defined before the wall power can be initialized The power is applied using an initial value and a power table The power is d
99. pe 3 35 bkn loop pump suct pipe Announce Changes Irreversible Loss Behavior Closest Edge v Span Original DZ Current DZ Diff Component Wide 8 275 8 275 0 0 Elevation Figure 16 2 ID Hydraulic Renodalization Dialog 16 1 1 Split The Split button is enabled when one or more cells are selected This button opens the Split Cells Dialog shown in Figure 16 3 Split Cell Dialog This dialog allows the user to specify how TRACE Plug in User s Manual 94 Split Uniform new cells will be created from each of the selected cells The Split Cells Dialog contains a table of the new cells that will be created and the fraction of the original cell they will represent If the fractions entered do not sum to 1 0 the user will be prompted to normalize the ratios using the Normalize button before continuing if i Mm ae tl Renodalization ng Cells Cell Fraction 1 0 125 0 375 0 375 EEE 0 125 Figure 16 3 Split Cell Dialog Splitting a cell results in multiple smaller cells that occupy the same total volume as the original The cell volume is examined and compared with the flow area s on either side of the cell If there is an abrupt area change then all internal edges are based on the area corresponding to the cell s volume If the volume does not correspond to the flow area on either side of the cell the cell is assumed to be a conical section and the internal edge
100. port Model Notebook Sub Systems Tab The list of sub systems is limited to top level parent sub systems those not found within another system and any child sub systems they contain directly child status is indicated by an indented name The Nest flag indicates whether the components in the sub system are organized into a distinct section in the document nested or folded into their parent section non nested In the case of non nested top level systems the system components are folded into an implicit model wide section That same model wide section is also the home of all model components not organized into a sub system If either the model is devoid of sub systems or no systems are nested then system level sectioning is not performed at all Note Third level sub systems and beyond are implicitly folded into their second level parents The View column allows setting a view used to represent the sub system When a view reference is made an image of the view will be placed at the top of the system section View references are disabled for non nested systems as they have no distinct section to house the image 109 TRACE Plug in User s Manual 110 Chapter 19 Batch Commands The TRACE plug in adds support for the following ModelEditor batch commands TRACE IMPORT file type lt Mn gt filename This command imports data from an input file If the file contains a complete model a new model will be created inside the ModelEditor O
101. powerec Radial Nodes Axial Levels Component MODES a MEN E Heat Structure 126 41264 bkn loop st gen tubes Unpowered Components o Powered Components Powered Axial Levels Power Fraction Component BlZEITSTE LPO Fe Heat Structure 140 i 140 reactor core fuel rods 3 1 0 Heat Structure 171 140 reactor core fuel rods Heat Structure 172 140 reactor core fuel rods Heat Structure 173 140 reactor core fuel rods Normalize Close 4 Figure 9 1 Powered Components Dialog 9 1 2 Power Shape The Power Shape is a table of ratios used to distribute the total power to regions within a heat structure Figure 9 2 Power Shape Data below displays the Power Shape properties of a fuel rod heat structure The radial power shape can either be entered as a constant shape 1f the Power Shape option is set to O 1 D axial table or as part of the Power Shape Table if the Power Shape option is set to 1 2 D axial r or axial x table Power Shape Power abe EEN Fower Shape Dependence Axial Integration Option Use User Defined Shapes Axial Initial Shape Value 4xial Off Shape Value e lm Axial Max Change Rate Axial Shape Location Source Axial Shape Locations Rows 3 1 21411 2 42831 3 6 Radial Power Shape Rows 8 0 0 1 2109 2 0E 3 1 En EA Power Shape Table 1 shape of with 51 values Er Axial Power Rate Factor Rows D Figure 9 2 Power Shape Data The User Defined Shapes option a
102. res may also be created from the right click pop up menu of a 1D hydraulic component This is a shortcut for producing pipe wall heat structures Figure 8 3 Pipe wall Heat Structure Completion Dialog below displays the completion dialog for a new heat structure The axial geometry for the heat structure nodes is derived from the connected pipe cells EA a Initialize Heatstructure Hydraulic Component Pipe 11 114 int loop st gen primary Heat structure options Geometry Cylindrical Plane Along v Thickness 3 04E 5 m Temperature 270 0 RK Material Material amp stainless 304 Radial Nodes sH Hydraulic Options Starting at Cell 1 of 3 Ending at Cell 3H of 3 Figure 8 3 Pipe wall Heat Structure Completion Dialog 8 1 2 Connecting A Heat Structure Heatstructures are connected to hydraulic components at their surfaces Once a heatstructure has been created it can be connected to hydraulic components in three ways First the right click pop up menu for the heatstructure contains a Attach To Hydro option Second each surface can be modified individually through the Axial Nodes Surface BCs heatstructure property Finally the connect tool can be used to connect a heatstructure to a hydraulic component inside a 2D View Connecting a heatstructure using the Attach to Hydro option or the connect tool will open the Connect to Hydraulic Component dialog shown in Figure 8 4 Heat Structure Attach To TRACE Pl
103. s that are included in most pumps The Pump Type IPTY must also be specified in addition to the properties shown below 35 TRACE Plug in User s Manual Pump Speed Values 6 7 2 6 7 3 6 7 4 Reverse Rotation 0 No Degredation Option 1 Single and Two F Effective Mol 3460 0 ikg i True False 5j 3 Use Alternative Inertia Pump Curve Option 1 Built in Semiscal I gero Order Efficiency First Order Efficiency gt j ZI S S I I Speed Trip 7 Tr a Io nr 4 8 8 ch ro le fo a o e Ni ao a D m c is iD Ze ro mo lt i a re We Figure 6 36 General Pump Properties Pump Speed Values The speed values for the pump are located in the Speed Values attribute group shown below in Figure 6 37 Pump Speed Properties The speed tables are not used in an electric motor pump however the speed conditions and controllers must be entered 9 Speed Values 124 4 rad si Y Maximum Speed Change Speed Scale Factor Off Speed Controller lt none gt Speed Table Rows O Rate Factor Table Rows 0 Figure 6 37 Pump Speed Properties Pump Initial Fluid Conditions The Mass Flow Rate property is the mass flow rate across the pump interface inlet This property is only entered when the pump is used by a steady state controller of type 1 To enable this property create a type 1 CSS
104. s where that planar index is set Similarly when the mapping nodes are selected the 2D vessel planar view will highlight the planar locations of the selected mapping nodes The dialog provides two ways to assign planar indeces to the mapping nodes The first way to assign a vessel planar index is to select on the mapping nodes you wish to set select the assign button and then use the crosshair to select the region from the 2D vessel planar view The other way to specify a mapping node vessel planar index is to select on the desired nodes in the 2D mapping view and specify the numerical index in the provided table This table also allows the specification of the mapping fraction Selecting the clear button will remove the assigned planar index at the selected mapping node The highlight option will cause the mapping view to highlight the current mapping selection 121 TRACE Plug in User s Manual Mapping Configuration Talot Heciraulie weder H lek Anar Cal mu ou mo 05 459 hig ha er eke Morar Pon ee Figure 21 5 Vessel Mapping Editor The Hydraulic mapping also provides a series of editors for defining map properties Selecting the Hydraulic Components field will enable the 2D hydraulic mapping editor The hydraulic editor is similar to the Vessel editor as it allows specific node assignment of components The hydraulic editor includes Axial Levels and a list of available hydraulic components to set on the core planar no
105. saved The ASCII export model refers to the saved med file for its resource information Once the exported model has been updated through the use of a text editor it can be imported back into the Model Editor using the normal TRACE import routine The plug in will identfiy the ASCII model as a resource model and attempt to locate the resources for that model The following dialog is provided when a resource model is imported Select an Option The selected input model contains a resource model reference to C Users dul Desktop W4Loop med Would you like to import resources from the file No Cancel Figure 20 2 Resource Model Import Once the resource file has been located the TRACE plug in will gather all the information required to import the resources into the new model The user has the option to decide which 117 TRACE Plug in User s Manual of the resources will be included in the new model once the import has completed The desired resources can be choosen from the provided configuration dialog This dialog can be seen in Figure 20 3 Resource Options Resource Options Please select the desired resources to import from the following options Documentation El Figure 20 3 Resource Options Once all of the desired resources are selected the import will commence and create the new model The model will contain any modifications made with the text editor during the resource export and will include each of
106. sel to their original location The volume variables will find the closest cell center location and edge variables will find the closest edge position Note Signal variables that refer to renodalized components should be checked following renodalization to ensure that their usage as control system inputs is appropriate For example a mass flow signal variable across an edge that is split into thirds will report only a third of the flow following renodalization Modification of the control system would be required to obtain the total flow across the three edges Channel components require special consideration during vessel renodalization The channel nodalization is important and will not be changed when the vessel nodalization increases Instead when the levels of the vessel that a channel connects to are modified the channel surface is connected to the resulting channel based on the location in the vessel of the channel inlet Channel cells will be connected vertically from the channel inlet based on channel cell length The outlet hydraulic connection will limit the vessel level where channel nodes can be connected so in the case where the channel is longer than the associated vessel nodes the excess channel length will be added to the highest vessel node 99 TRACE Plug in User s Manual Vessel Radial Renodalization 16 2 2 Vessel Radial Renodalization The number of rings or nodes along the X axis of a vessel can be modified by selecting
107. selected file will be imported into the Model Editor as a new TRACE model fu Fh EN Select TRACE input deck to import ook aaa DJ original i Ihtstroylpowr inp 3 Lgroup irpwty13 M inp i Ihtstrslabnopowr inp 3 igroup irpwty3 M inp i Lhtstrslabpowrinp File Type 3 LhscaseLinp i Lhtstrslabpowr inp ASCII E Lhscaselnewinp a 1LegPT inp O TPR D 1htstroylInopowr inp gt 1LegTee inp File Name lgroup irpwty1 3 M inp Files of Type TRACE ASCII decks inp 7 Figure 2 1 File Import Dialog Comment lines that may exist in the deck are generally ignored during the import process Decks exported by SNAP can include description and comment lines for any component These lines are written to the deck using d and c as prefixes to identify description and comment data respectively as shown below d Simple vessel containing 7 axial levels c This is where comments can be placed c This is line two of the comment we type num userid component name vessel 2 0 1 vessel A nasx nrsx ntsx nesr ivssbf 7 1 1 1 0 idcu idel der icru icrl 3 TRACE Plug in User s Manual Importing from TPR SNAP uses these prefixes to allow embedded comments and descriptions to be retained when importing a deck that was exported by the Model Editor This mechanism can also be used to identify comments in legacy decks that should be retained on import 2 2 Importing from TPR The SNAP Model Editor can also import a TRACE model store
108. ssel Junction Components 6 16 Vessel Junction Components The vessel junction component manages the input for a set of individual single junction components connecting one vessel to another It provides tools to facilitate creating and managing those single junctions It includes a user interface that identifies the locations of the single junctions and allows the user to specify the properties for individual single junctions contained within the connection A drawn representation is provided in order to be visualized in 2D views The component includes I O routines for export and import of the Vessel Junction Components 6 16 1 Initialization The Vessel Junction component can be created like any other hydraulic component This is done either from the New menu item off of the Vessel Vessel Junction right click pop up menu or using the 2D view component insertion tool When the component is first placed a setup wizard is provided This wizard will guide you through initialization of the vessel junction component and its internal single junctions The following dialog is provided when a Vessel Junction component is first created Vessel Connection Initialization Connection Directon Axia Inlet Vessel Vessel 26 26 3 d ve 5 Outlet Vessel Vessel 204 Axial Level 2 2 Face Outlet Axial Level 5 2 Figure 6 62 Vessel Connection Initialization Wizard In this dialog the source vessel target vessel and connection directi
109. tal Vertical Figure 6 44 Pressurizer Completion Dialog 6 8 1 Prizer Properties There are four additional properties for the pressurizer component These properties are displayed below in Figure 6 45 Prizer Properties Heater Power is the total power from the built in heater The Pressure Setpoint is the point at which the sprayers inside the pressurizer activate The Pressure Differential is the differential at which the heater and sprayers are at maximum power The water level that results in the heater turning off is entered in the Heater Cutoff Level 39 TRACE Plug in User s Manual Separator wl 550 eal DES Pail P Figure 6 45 Prizer Properties 6 9 Separator The separator component is a volumetric component with a main and side tube with similar geometry and initial condition properties to Tee components The main tube represents the separator itself with the inlet suplying mixed water and steam and the outlet releasing wet steam The side tube models the water drain from the separator The standard hydraulic component properties included in a Separator are detailed in Section 6 5 Pipe These properties include geometry friction etc The Tee properties that a separator must implement are detailed in Section 6 11 1 Tee Properties below The completion dialog that appears when creating a new Separator inside a TRACE model is displayed below in Figure 6 46 Separator Completion Dialog
110. the Renodalize Radial Rings Cylindrical or Renodalize X Axis Cartesian option from the right click pop up menu on a vessel The renodalization dialog is shown in Figure 16 8 Vessel Radial Renodalization Dialog This dialog allows the user to split or merge rings in a similar fashion to the to levels in the axial renodalization dialog The primary difference between axial and radial renodalizations is how heat structures are modified e 9 ___ Renodalize Radial Rings Top Down View 2 1 Z 4 Select All Split Uniform _ Announce Changes Index Radius m 1 1 5411 20 256 Figure 16 8 Vessel Radial Renodalization Dialog Heat structures that connect to vessel nodes will be moved to the radial ring location that contains the volume to which they originally connected Vessel wall heat structures that connect different rings inside the vessel will be updated to connect the same volumes This may result in a heat structure that has the same cells on both the outside and inside Hydraulic connections are moved to the location in the renodalized vessel that most closely matches the original connection location Axial and azimuthal connections are moved to the ring whose center radius most closely matches the radius of the original ring Radial connections are moved to the ring whose edge most closely matches the original location Edge and Volume signal variables will be moved to the
111. therwise the data must be imported on top of an existing model e file type One of the following import file types ASCH_FULL An ASCH input file compliant with TRACE ASCIL RESTART An ASCII restart input file to import on top of the current model TPR A platform independent binary restart file e lt Mn gt An optional argument used to identify the model Valid model labels are MO M9 e filename The file name which should include the full path to the file in quotes TRACE EXPORT file type lt Mn gt filename This command exports a file of the specified type to the given file name Each of the available file types is described below e file type One of the following export file types ASCH_FULL Exports the current model in the TRACE ASCII input format ORDERED_ASCII Exports the current model in the TRACE ASCII input format in the same component order as the original ASCH file ASCH_RESTART A TRACE ASCII restart input file including the components modified after the previous BEGIN_RESTART command METRICS _SPEC The model specification file for the Test Suite Analyzer TSA METRICS The plug in metrics data file for Test Suite Analyzer TSA e lt Mn gt An optional argument used to identify the model Valid model labels are MO M9 e filename The file name which should include the full path to the file in quotes TRACE BEGIN_RESTART This begins a set of restart changes for the current mo
112. ties Vessels Vessels The Vessel component is the 3D hydraulic component for TRACE Vessels are either rectangular or cylindrical components broken down into axial levels Each axial level has a planar array of cells organized first by the Y or Azimuthal axis and then the X or Radial axis Unlike 1D hydraulic components Vessel cells are referred to by a compound number combining the axial level and the planar cell index Figure 6 57 Vessel Completion Dialog below displays the completion dialog for a vessel F F F Initialize Vessel Data Vessel Geometry Cylindrical fw Vessel Height Po 2 im Vessel Outer Radius Do 21971m Total Azimuthal Angle li Number of Axial Levels fy Number of Radial Rings fo Number of Azimuthal Sectors po Eoundamy Conditions no flow above and below h Figure 6 57 Vessel Completion Dialog 6 15 1 Vessel Geometry Vessels are 3D components that may be defined in cylindrical or Cartesian coordinates The decision of coordinate system must be made from the completion dialog and cannot be changed after the dialog is exited As with 1D components the nodalization is initialized during creation and can only be modified through the renodalization wizard described in Section 16 2 3D Hydraulic The geometry of the existing nodalization may be modified through the Geometry and Connections dialog shown below in Figure 6 58 Vessel Geometry 45 TRACE Plug in User s Manual Volume
113. ting Model Properties Certain properties exist on a model level These are high level properties that affect the entire calculation or steer model boundary conditions The TRACE plugin provides a series of editors for defining TRACE component properties The Property View provides a number of generic inline editors for defining simple attributes The TRUE FALSE editor is one example of a general inline editor because it is used to define nearly all logical values Properties specified in the generic editors immediatly update the ASCII view and add an undo entry to the undo stack Figure 5 1 Generic Logical Editor There are many other general case editors used when editing simple model properties Custom editors are provided for editing properties in the situation where a property requires a more sofisticated method of specification These editors provide the user with more intuitive means of editing and displaying complex properties Many of the custom editors provided are tabular Tabular editors allow multi row editing custom table cell editors and column header tooltips which describe the data in each column Most of the custom tabular based TRACE property editors provide a pop up menu containing a series of editing options These options are listed below e Copy The copy command copies data from either a spreadsheet or another tabular based editor e Paste The paste command pastes copied data to either a spreadsheet or another tabul
114. ting the cells in a hydraulic component s displayed below in Figure 7 2 Volume Selection Dialog Pressing the button will open component selection dialog for all hydraulic components in the model that contain hydraulic cells The editor will automatically determine whether one or two locations are required and will limit the selection to the number cells in the component ao ES Fh f if i f 4 Signal Variable Signal Source Hydraulic Tee 15 154 int loop c leg amp hpis pis First Location cel 34 ofa Second Location Cell 14 of 4 Figure 7 2 Volume Selection Dialog 7 1 4 Edge Signal Variables Edge signal variables provide access to the information across the edges inside a hydraulic component Much like the Volume signal variables the user must select a hydraulic component Instead of specifying a volume the user must select an edge inside the component The dialog for selecting the hydraulic component and edges is displayed below in Figure 7 3 Edge Selection Dialog Pressing the button opens the component selection dialog for all hydraulic components in the model that contain edges The editor will automatically determine whether one or two locations are required and will limit the selection to the number edges in the component TRACE Plug in User s Manual 58 Heat Signal Variables Signal Variable Signal Source Hydraulic Pipe 12 12 int loop pum
115. tive TRACE Plug in User s Manual 10 Model Options AAA Namelist Variables Properties View E Model Options 7 Namelist Variables ue Constrained Steady State 0 Hydraulic Path Steady State 0 General Optional Disabled omar 1 10 0 wert i 1 Constant HTCs rr m Sol a EA Sh a E m T a a za ro pu pu TO 15 13 m an I a iD mo ia e W FDFHL CC rq O oO moa FS o a IM HE Bla Set har Y air oo Al iD Eg Eg ma o ja E essel Area Option I mjm Iz s 2 P m m 17 aL 5 pu ul Ci gt a a ur m 3 E m 7 dE lola jalo m J rm D an 2 35 o l o a co mn a au a E EL pu La ao T o EE Offtake Model ans ala LE DB 5 o Fis S zu pu Lr p ri Close Si Figure 5 3 Namelist Properties Note Both the tool tip message and the pop up help contain the variable name of a Namelist variable The timesteps data for a particular model are also contained inside the Model Options Figure 5 4 Time Step Table Dialog below displays the timestep table for an existing model This table must have at least one entry for a Transient model am Edit Timestep Data Initial Timestep Size 10 Time Size Size Fluid Size Power Diff Interval Interval Interval Interval 100 00 o 100 10k 120 05 120 120 wal 3 at 0 05
116. tric and Edge Data 3D Vessel Nodalization Connections Select Axis Axial Levels v Display Actual Positions Translate Rotate 4 00m 4 fa _ a Figure 6 58 Vessel Geometry This dialog allows the user to change the dimension of selected nodes The selected nodes are displayed in the 3D representation of the vessel on the left hand side The table on the right side of the dialog may display lengths in absolute length or by relative length Relative lengths must be displayed for User Defined Numerics to operate correctly 6 15 2 Volumetric and Edge Data The volume and edge properties may be modified through a single custom dialog This dialog displays a 2D representation of the vessel from the s de and top down Cell and Edge selection may be done either by selecting nodes in the table or by selecting nodes in the dialog The volume portion of the dialog is displayed below in Figure 6 59 Vessel Cell Properties The editing property is selected from the combo box at the top of the dialog and the current units are displayed to the immediate right of the combo box Note Volume Fraction is a derived value which does not support user defined numerics TRACE Plug in User s Manual 46 Volumetric and Edge Data E king 1 Levels Sect 1 Segvoid Fraction 550 0 Steam Temp 3 Select All Side View Lewel Lewel Level Lewel Level Lewel Lewel 4 7 6 5 4 3 2 1 Se
117. ts TRACE may be coupled with the CONTAIN analysis code for doing large scale accident analysis The CONTAIN component embedded inside a TRACE model serves as a connection point for containment boundary data from either the embedded CONTAIN libraries in TRACE or a concurrently executing CONTAIN model The individual portions of a CONTAIN component are represented as sub nodes inside the navigator Figure 11 1 CONTAN Sub Nodes displays the sub nodes inside a CONTAIN component in a sample model Contan 903 903 containment Fy Compartments 2 Compartment 51 Compartment 52 o Y Heatstructures 0 o EA Coolers 0 o MW Passive Junctions 0 gt Forced 0 4 Source or Sink 1 9 General Optional Disabled Compartment Number Pool Level Tracking Spilling Option Figure 11 1 CONTAN Sub Nodes 79 TRACE Plug in User s Manual 80 Chapter 12 Extern Components TRACE allows for distributed runs where a single model is divided into portions and run simultaneously on separate processes or machines The EXTERN component represents a component that is currently defined in a different portion of the model EXTERN components can be refered to for hydraulic connections or for signal variables or for boundary conditions The properties of a simple exterior component are displayed in Figure 12 1 Exterior Component Properties FE Exterior 1 G
118. tstructure in the model will be marked as modified after the initial conditions have been imported To import the initial conditions into a TRACE model right click on the model node in the navigator and select the Retrieve Initial Conditions option as shown below in Figure 14 1 Retrieve Initial Conditions Pop up Menu Item 9 ES TRACE models 7 w Ursa bella E Mode o pi de Begin Editing Restart z Retrieve Initial Conditions o y view vessel in 3D Pim l nad Doafaranmera Lindon l ol Figure 14 1 Retrieve Initial Conditions Pop up Menu Item The initial conditions dialog displayed below in Figure Retrieve Initial Conditions Retrieve Initial Conditions Dialog requires the user to either select a job from a calculation server or a TPR file Once the job is selected the specific restart location must be selected from the available list When the dialog is closed the model will be updated to match the selected conditions 85 TRACE Plug in User s Manual Managing Initial Conditions A A Initial Conditions Retrieve Initial Conditions From A Local TPR File a A Submitted Run calcserv bugs appliedprog com 5 006 Tutorial Exercise2A Available Restart Times Time Step Time 5 0 0 0 BBO 817 BB 420 7 Figure Retrieve Initial Conditions Retrieve Initial Conditions Dialog 14 1 Managing Initial Conditions In addition to being able to retrieve initial conditions the TRACE plug in allows
119. tton is pressed Any component that is affected by the resulting renodalization will display a message to the Message Window These messages allow the user to track which components have been changed 16 1 6 Irreversible Loss Behavior The irreversible loss option determines how friction losses are preserved when cells are merged together The available options include merging with the inlet edge merging with the outlet edge and merging with the closest edge The losses are all converted to K Factors to preserve the pressure drop across the whole pipe during the renodalization 16 1 7 Renodalization Options Panel After the hydraulic component renodalization is complete the Renodalization Options Panel is displayed This panel allows the user to customize how components associated with the 1D hydraulic component are modified in response to the renodalization A tree containing each component affected by the renodalized component is displayed on the left hand side of the dialog The root level of the tree contains all the components directly affected by the original component renodalization Each affected component may require additional component changes For example a heat structure may change its axial nodalization after a connected pipe is renodalized Any signal variables on this heat structure will need to be modified to reflect the new axial nodalization of the heat structure These signal variables would appear as leaf nodes under the h
120. tween 1D and 3D components is enforced by the batch interpreter and error messages will be issued if too many or too few parameters are given TEE based component indexing does not include the phantom cell index So for example a tee containing 3 main tube cells and 2 side tube cells will have 5 axial cell indexes and 7 axial edge indexes The following command will set the pressure of the first side tube cell of component 101 to 1000 0 psi TRACE SETVALUE p 101 4 1000 0 To set the liquid velocity at the inlet side of the side tube to 10 ft s enter the following command TRACE SETVALUE Vi 101 1050 e value Either the floating point value to assign to the variable or an Inline File argument Data values must be input in the models current units SI or British An Inline File is intended as a way to place a larger more strictly formatted set of data as a single value argument For the TRACE plug in this capability is used by the control block table CBFTAB For CBFTAB the Inline File is the same load format input required by the ASCII input deck for this table For example the following command would be used to replace the current CBFTAB in control block 3 type 102 with a 2x3x4 table TRACE SETVALUE cbftab 3 2 3 4 lt Mec de 1202208 Cbs else 10 AO 3208 EDESA 1 0 2209 310 4 08 x cbtbly 8 0 8 0 8 0 8 0 8 0s cbtbly 8 0 8 0 8 0 8 0 8 0s x cbtbly 8 0 8 0 8 0 8 0 8 0s x cbtbly 8 0 8 0 8 0 8 0 8 0s cbtbl
121. ug in User s Manual 68 Radial Geometry Hydraulic Dialog This dialog allows the user to specify the hydraulic component connections to the heat structure Checking the Renodalize option will adjust the axial nodalization of the heatstructure to match the selected components Any existing connections will be preserved OA Connect To Hydraulic Component Hydraulic Component Vessel 26 26 3 d vessel Heat structure options Pane Mong 2 y Surface Outer v Starting Heat Cell 1 of 7 lal Renodalize Hydraulic Options E Start Cell X a Y E q i End Cell x 244 v 1H z 7H ls Figure 8 4 Heat Structure Attach To Hydraulic Dialog Selecting the Axial Nodes Surface BCs property opens the Surfaces dialog shown in Figure 8 5 Surfaces Dialog The combo box at the top of this dialog can be used to select the average rod to edit The selected rod s cells will be displayed in the table at the top of the dialog Selecting cells in the first column of the table will display their properties in the bottom of the dialog These properties include Axial Length Fine Mesh Count Elevation and Cell Orientation Selecting cells in the second or third column of the table will display the connections for those cells OO Surfaces Heat Structure 140 140 reactor core fuel rods Axial Inner Surface Outer Surface Cell Boundary Conditions Boundary Conditions 1 0 Flux 0 0 2 Vessel 26 Cell 1111112 2 O Flux oo e Wessel
122. ummer 1053 Multiply Block Similar to the Sum block the Multiply block has a Multiple Multiply option 104 in addition to the Simple Multiplier 39 The TRACE plug in only has one Multiply arithmetic block but will export a Simple Multiplier 39 if the block has two or less input connections Otherwise the block will be exported as a Multiple Multiplier 104 Function Block Function blocks lump together TRACE Function of One variable 101 and Function of Two or Three Variables 102 The difference between these two functions 1s the number of independent variables When creating a new function block the input connections must be created before the table data may be entered Adding and removing connections after the table has been created will insert or remove the appropriate dependent variable value locations 7 3 Trips Trips are special control blocks that are used to indicate when an input value reaches a certain level or meets a specific criteria Each trip is defined by a number of input signals and a series of TRACE Plug in User s Manual 64 Trip Signal Type flags that indicate what to do with the data Each trip also has a set of associated set point factor tables trip signal controllers and signal expressions 7 3 1 Trip Signal Type Trips are limited to specific input types Connecting an input source to a blank trip through the connection tool will automatically adjust the trip type to support the selected sourc
123. upt area change model enabled This test optionally compares the edge s flow area with the adjacent volumes area as well 15 5 Edge Hydro Diameter Test This validation test compares the hydraulic diameter specified for edges inside 1D hydraulic components with the calculated hydraulic diameter of the adjacent volumes An error is reported if the edge is not within the tollerance of one of the calculated diameters Lumped models often contain hydraulic diameters for components that are much smaller than a calculated hydraulic diameter so this test ignores edge hydraulic diameters that are smaller than the calculated adjacent volume diameters PUMPFRICQ Consistency Test The PUMPFRICQ validation test verifies that power provided by enabling the PUMPFRICQ namelist option does not conflict with power added using a FLPOW component A detailed warning message is provided through the message window during the event where the PUMPFRICQ namelist option is enabled and a fluid power component is being used 15 6 15 7 Vessel Connection Test The Vessel Connection test verifies the consistency of Hydraulic connections to the vessel The component flow direction is compared target vessel cell face to ensure a consistent flow between components Additionally this test verifies that the hydraulic connections to the vessel do not occur inside vessel nodes that have a volume fraction of 0 0 15 8 Adjacent Cell Volume Test The Adjacent cell volume test
124. y 8 0 8 0 8 0 8 0e TRACE SETNUMERIC lt Mn gt numeric name variable component indexes This command is used to retrieve a variable value from a component and place it in a user defined constant or variable in the same model The syntax is identical to that of SETVALUE with the exception of the numeric name argument which contains the name of a user defined constant or variable e lt Mn gt An optional argument used to identify the model Valid model labels are M0 M9 e numeric name The name of a user defined constant or variable Note that if the name includes spaces that it must be quoted in this batch command 113 TRACE Plug in User s Manual e component The id number of the component to modify The type of component is automatically determined from the variable argument e indexes The indexes argument can include from zero to four integers depending on the variable being modified A complete listing of the variables available for modification and their parameters can be found in Section 19 1 TRACE Variable Indexes For example to set the user defined constant named VoidFrac to the void fraction of cell 3 in pipe 101 the following batch command would be used TRACE SEINUMERIC Voladrrac alp 101 3 Setting the constant to the same property in vessel 26 axial cell 2 radial ring 3 azimuthal sector 4 would use this command TRACK SETNUMERIC VoidFrac alp 26 2 3 4 TRACE SETFRICS This command
125. y Wy ele a TRACE Plug in User s Manual 22 Fill Type d Fil 55 General Optional Disabled Component Mame unnamed Component Number 55 A re We el Fill Type 1 Constant Velocity A E im Wf Ku Unknown LJ ST Initial Gas Yolume Fraction Oo Initial Liquid Temperature 372 756 IK 2 Initial apor Temperature 272 756 Initial Moncondensible PP o a T SIS Liquid wel O 0 TA Rate Factor Table Rows 0 Couple to CONTAN Comp True False Figure 6 14 Fill Properties 6 3 1 Fill Type The Fill Type IFTY for new fills is initialized to O This defines a fill with constant fluid conditions The available options for fill type and what they represent are listed below in Table 6 2 Fill Type Values 3 3 mofo 9 9 0 lt 9 lt 9 9 lt 9 lt 9 o a a 6 Tabular Based Generalized sae 8 ri embed Mass Fow Tase 9 rip enabled Generalized State Table 10 Control System Based Generalized State Control System Based Generalized Mixture State Table 6 2 Fill Type Values 6 3 2 Fill Table The properties included in the Fill table vary based on the selected FTY value If the FTY value is 4 or 7 the dependent variable in the table is the mixture velocity An FTY value of 5 or 8 23 TRACE Plug in User s Manual Fill Contan Coupling results in a table with a mixture mass
126. ze Ren 102 16 3 2 Ax1al Renodalization Susi ai an a aa 102 10 4 Reterenee Model aa rennen 102 V TRACE Plug in User s Manual TRACE Plug in Users Manual 1 7 Loop NOS UNS sen lodo tie 105 18 Model Note ae ei ae 107 19 Batch Commands sea 222 222 22 EEE Re aa 111 19 41 TRACE Variable adresse tele 115 20 Resource Pile TIPO EXPO ui aa len 117 ZE RAR ES Mappn een eek 119 21 L Inital Map er ale reset 119 21 2 Mapp n2 COnN urato ee a aa 121 21 3 TRACE PARCS Coupled Jobstream oocooccocnccnnocnncnncnnnconcnonccncnnnnnncnnonons 123 TRACE Plug in User s Manual vi Chapter 1 Introduction The Symbolic Nuclear Analys s Package SNAP consists of a suite of integrated applications designed to simplify the process of performing thermal hydraulic analysis SNAP provides a highly flexible framework for creating and editing input for engineering analysis codes as well as extensive functionality for submitting monitoring and interacting with the analysis codes The modular plug in design of the software allows functionality to be tailored to the specific requirements of each analysis code TRACE version 5 0 was developed by the NRC based off the TRAC M code which combined TRAC B and TRAC P This manual describes the SNAP Plug in features that are unique to the TRACE plug in Detailed documentation of the TRACE options are provided in the TRACE input manual which is accessible through SNAP This manual should be considered a supplem

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