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  • WORKSHOP - Multi-Block 1
    a frame Select the frame corner points P1 P2 P3 P4 and P1 again Click on Match Grid then select the frame just created Point P1 is matched to I J K 1 1 1 and the directions from P1 to P2 and P2 to P3 are I J respectively Click OK to set the grid then OK to close the Smoothing dialog Click OK to return to the main BFC Menu dialog Click on Volumes Extrude Toggle Grid direction from I to K Click OK This will project the K plane in the z direction by 1m default Click Extrude again Toggle Grid direction from I to J Change from plane to 16 Set dy to 0 0 This will copy J plane 17 from J plane 16 with zero offset Click OK The second copy creates the overlap cell required for the block link but gives it zero thickness so that it cannot be seen Click OK to perform the specified actions Rotate view to check projected ok Click on OK to exit the grid generation menu Click on Menu Geometry In the PIL command input box at the bottom of the geometry panel type the command DUMPC GRI1 This will cause the grid for block 1 to be written to a file called GRI1 Click on Top Menu then OK Click on File Save as a case and save the Q1 file as MBGRID1 Set grid for second block Enter grid generation menu again by clicking on the Grid Mesh toggle on the hand set then clicking anywhere in the domain Delete the two Extrude commands Volumes Edit Delete OK twice and delete the frame Surfaces Delete Frame select frame F1 confirm Reset the Dimension for the second block 15 x 6 x 1 Use Lines Modify Lines to set cell numbers on Block 2 edges Set the number of cells in the x direction lines L5 L3 and L6 should have 5 cells each line l8 15 cells and the number in the y direction to 5 L7 and L9 Create a new frame with Surfaces New Frames and match the grid with Match Grid The frame points are P5 P4 P3 P6 P7 and P8 The corners are P5 P6 P7 and P8 The corners have to be selected in a second circuit once the first corner P5 has turned blue Point P5 should be matched to I J K 1 2 1 Use the Volumes Extrude button to extrude the K plane in the z direction by 1m default rotate view to check projected ok Extrude the J plane in the y direction from plane 2 to 1 and set dy 0 0 This creates the overlap cell required for the block link but gives it zero thickness so that it cannot be seen Click on OK to exit the grid generation menu In the PIL command input box at the bottom of the geometry panel type the command DUMPC GRI2 This will cause

    Original URL path: http://www.cham.co.uk/phoenics/d_polis/d_wkshp/wsmulbl1.htm (2016-02-15)
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  • WORKSHOP - Multi-Block 2
    Change from plane to 2 Change to plane to 1 Set dx to 0 0 This will copy I plane 1 from I plane 2 with zero offset Click OK The last two copies create the overlap cells required for the block link but give them zero thickness so that they cannot be seen Click OK to perform the specified actions Rotate view to check projected ok Click on OK to exit the grid generation menu Click on Menu Geometry In the PIL command input box at the bottom of the geometry panel type the command DUMPC UGRI1 This will cause the grid for block 1 to be written to a file called UGRI1 Click on Top Menu then OK Click on File Save as a case and save the Q1 file as UGRID1 Set grid for second block Enter grid generation menu again by clicking on the Grid Mesh toggle on the hand set then clicking anywhere in the domain Delete the three Extrude commands Volumes Edit Delete OK three times and delete the frame Surfaces Delete Frame select frame F1 confirm Use Lines Modify Lines to set cell numbers on Block 2 edges Set the number of cells in the x direction L1 and L7 to 5 and the number in the y direction A8 and L5 to 5 Create a new frame with Surfaces New Frames and match the grid with Match Grid The frame corner points are P1 P2 P5 and P8 Point P1 should be matched to I J K 1 1 1 Use the Volumes Extrude button to extrude the K plane in the z direction by 1m default rotate view to check projected ok Extrude the J plane in the y direction from plane 6 to 7 and set dy 0 0 Extrude the I plane in the x direction from plane 6 to 7 and set dx 0 0 This creates the overlap cells required for the block link but gives them zero thickness so that they cannot be seen Rotate view to check projected ok Click on OK to exit the grid generation menu In the PIL command input box at the bottom of the geometry panel type the command DUMPC UGRI2 This will cause the grid for block 2 to be written to a file called UGRI2 Click on Top Menu then OK Click on File Save as a case and save the Q1 file as UGRID2 Set grid for third block Enter grid generation menu again by clicking on the Grid Mesh toggle on the hand set then clicking anywhere in the domain Delete the three Extrude commands Volumes Edit Delete OK three times and delete the frame Surfaces Delete Frame select frame F2 confirm Use Lines Modify Lines to set cell numbers on Block 3 edges Set the number of cells in the x direction L4 and A9 to 5 and the number in the y direction L7 and L6 to 5 Create a new frame with Surfaces

    Original URL path: http://www.cham.co.uk/phoenics/d_polis/d_wkshp/wsmulbl2.htm (2016-02-15)
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  • WORKSHOP - Flow in a Cylindrical Jet Pump
    on Settings New New Object The Object specification dialog box will appear Change name to INLET Click on Size and set SIZE of object as Xsize 0 5 Ysize 0 45 Zsize 0 0 Click on Place and use the default POSITION of object as Xpos 0 0 Ypos 0 0 Zpos 0 0 Click on General Define Type Inlet Click on Attributes and set velocity in Z direction to 5 0 m s Click on OK twice to exit from the Object Specification Dialogue Box Create the fluid outlet Click on Settings New New Object Change name to OUTLET Click on Size and set SIZE of object as Xsize 0 5 Ysize 0 5 Zsize 0 0 Click on Place and set POSITION of object as Xpos 0 0 Ypos 0 0 Zpos 5 0 Click on General Define Type Outlet Click on OK to exit from the Object Dialogue Box Create the upper secondary inlet as an opening Click on Settings New New Object Change name to OPEN1 which stands for first opening Click on Size and set SIZE of object as Xsize 0 5 Ysize 0 47 Zsize 0 0 Click on Place and set POSITION of object as Xpos 0 0 Ypos 0 53 Zpos 5 0 Click on General Define Type Outlet Click on OK to exit from the Object Specification Dialogue Box Create the upper left boundary wall Click on Settings New and New Object Change name to WALL1 Click on Size and set SIZE of object as Xsize 0 5 Ysize 0 55 Zsize 0 0 Click on Place and set POSITION of object as Xpos 0 0 Ypos 0 45 Zpos 0 0 Click on General Define Type PLATE Click on OK to exit from the Object Specification Dialogue Box Create the upper inner horizontal wall Click on Settings New and New Object Change name to WALL2 Click on Size and set SIZE of object as Xsize 0 5 Ysize 0 03 Zsize 4 0 Click on Place and set POSITION of object as Xpos 0 0 Ypos 0 5 Zpos 1 0 Click on General Define Type Blockage Click on OK to exit from the Object Specification Dialogue Box Create the upper angled wall Click on Settings New and New Object Change name to BAFFLE1 Click on Size and set SIZE of object as Xsize 0 5 Ysize 0 05 Zsize 1 25 Click on Place and set POSITION and rotation angle of object as Xpos 0 0 Xrot 15 degrees Ypos 0 45 Yrot 0 deg Zpos 0 0 Zrot 0 deg Click on General Define Type Blockage Click on OK to exit from the Object Specification Dialogue Box Create the upper horizontal baffle Click on Settings New and New Object Change name to BAFFLE2 Click on Size and set SIZE of object as Xsize 0 5 Ysize 0 05 Zsize 1 0 Click on Place and set POSITION of object as Xpos 0 0 Ypos 0 13 Zpos 1

    Original URL path: http://www.cham.co.uk/phoenics/d_polis/d_wkshp/wspolr1.htm (2016-02-15)
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  • WORKSHOP - 3D Swirling Flow Through an Orifice Plate
    The Object specification dialog box will appear Change name to INLET Click on Size and set SIZE of the object as Xsize 6 28319 Ysize 0 1 Zsize 0 0 Click on Place and set POSITION of the object as Xpos 0 0 Ypos 0 1 Zpos 0 0 Click on General Define Type Inlet Click on Attributes and set velocity in Z direction to 1 0 m s Set the X direction velocity to 20 radians s Click on OK twice to exit from the Object specification Dialogue Box Create the fluid outlet Click on Settings New and New Object Change name to OUTLET Click on Size and set SIZE of the object as Xsize 6 28319 Ysize 0 2 Zsize 0 0 Click on Place and set POSITION of the object as Xpos 0 0 Ypos 0 0 Zpos 1 0 Click on General Define Type Outlet Click on OK to exit from the Object specification Dialogue Box Create the central blockage Click on Settings New and New Object Change name to CENTRE Click on Size and set SIZE of object as Xsize 6 28319 Ysize 0 1 Zsize 0 3 Click on General Define Type Blockage Click on OK to exit from the Object Dialogue Box Create the orifice plate Click on Settings New and New Object Change name to ORIFICE Click on Size and set SIZE of object as Xsize 6 28319 Ysize 0 1 Zsize 0 0 Click on Place and set POSITION of object as Xpos 0 0 Ypos 0 1 Zpos 0 6 Click on General Define Type Plate Click on OK to exit from the Object Dialogue Box Set the remaining solution control parameters Click on Menu then on Output Change the monitoring point by setting IXMON to 1 IYMON to 12 IZMON to 2 Click on Numerics Set the number of iterations to 300 Click on Top menu to return to the top menu Click on OK to exit the Main Menu Running the Solver In the PHOENICS VR environment click on Run Solver then Local solver Earth and click on OK to confirm running Earth Using the VR Viewer In the PHOENICS VR environment click on Run Post processor then GUI Post processor VR Viewer Viewer Click OK on the file names dialog to accept the default files To view Vectors click on the Vector toggle Contours click on the Contour toggle Streamlines click on the Create Streamline button Iso surfaces click on the Iso Surface toggle To select the plotting variable To select Pressure click on the Select Pressure button To select Velocity click on the Select Velocity button To select Temperature click on the Select Temperature button To select any other variable click on the Select a Variable button To change the direction of the plotting plane set the slice direction to X Y or Z To change the position of the plotting plane move the probe using the probe position buttons A typical plot from this case

    Original URL path: http://www.cham.co.uk/phoenics/d_polis/d_wkshp/wspolr2.htm (2016-02-15)
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  • WORKSHOP - IMMERSOL Radiative Heat exchange in a duct flow
    0 YSize 1 0 ZSize 0 5 Click on General Click on Type dialogue box and select INLET Click on Attributes and enter 727 C for the Temperature 1 0 m s for the x direction velocity Click on OK OK Create OUTLET object Click on Settings New and New Object Change Name to Outlet Click on Size and set SIZE of object as XSize 0 0 YSize 1 0 ZSize 0 5 Click on Place and set POSITION of object as XPos 1 0 YPos 0 0 ZPos 0 0 Click on General Click on Type dialogue box and select OUTLET Click on Attributes and set the external Temperature to 727 C Click on OK OK Create Lower WALL object Click on Settings New and New Object Change Name to Walll Click on Size and set SIZE of object as XSize 1 0 YSize 1 0 ZSize 0 0 Click on General Click on Type dialogue box and select PLATE Click on Attributes Click on Adiabatic and select Surface temperature OK Set the surface temperature value to 727 Set the emissivity to 0 9 OK Click on OK Create upper WALL object by duplication from lower wall Click on the Duplicate object button and then OK Use the Z Position button to move the duplicated object to the top of the domain Click on the object Change the name to Wallh Click on Attributes and set the surface temperature to 2227 Click on OK OK Create upper internal blockage Click on Settings New and New Object Change Name to PLT1 Click on Size and set SIZE of object as XSize 0 4 YSize 1 0 ZSize 0 02 Click on Place and set POSITION of object as XPos 0 3 YPos 0 0 ZPos 0 35 Click on General

    Original URL path: http://www.cham.co.uk/phoenics/d_polis/d_wkshp/immw.htm (2016-02-15)
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  • WORKSHOP - IMMERSOL Radiative Heat exchange in an Electronic Box
    0 0 XSize 0 2 YPos 0 0 YSize 1 0 ZPos 0 0 ZSize 0 0 Click on Type dialogue box and select INLET Click on OK Click on Attributes and enter 20 C for the Temperature 0 5 m s for the z direction velocity Click on OK OK Create OUTLET object Click on New Object Change Name to Outlet Change the following to XPos 0 3 XSize 0 2 YPos 0 0 YSize 1 0 ZPos 1 0 ZSize 0 0 Click on Type dialogue box OUTLET OK Click on Attributes and change Temperature from In cell to User set and set T ext to 20 C Click on OK OK Create left wall WWALL Click on New Object Change Name to Wwall Change the following to XPos 0 0 XSize 0 002 YPos 0 0 YSize 1 0 ZPos 0 0 ZSize 1 0 Click on Attributes Click on the Types dialogue box Solids OK Choose 111 STEEL at 27 deg C OK Set emissivity to 0 9 Click on OK OK Create right wall EWALL by duplication from WWALL Click on Duplicate object button Use X Position button to move copied object to the right hand edge of the domain Click on the copied object Change Name to Ewall Create the top wall HWALL Click on New Object Change Name to Hwall Change the following to XPos 0 0 XSize 0 3 YPos 0 0 YSize 1 0 ZPos 0 998 ZSize 0 002 Click on Attributes Click on the Types dialogue box Solids OK Choose 111 STEEL at 27 deg C OK Set the emissivity to 0 9 Click on OK OK Create the lower wall LWALL by duplication from HWALL Click on Duplicate object button and click on the object which appears at the origin object B6 Change Name to Swall Change the following to XPos 0 2 ZPos 0 0 Click on OK Create bottom pcb PCB3 Click on New Object Change Name to PCB3 which stands for Printed Circuit Board 3 Change the following to XPos 0 2 XSize 0 1 YPos 0 0 YSize 1 0 ZPos 0 15 ZSize 0 1 Click on Type dialogue box and select PCB Click on OK Click on Attributes then Adiabatic select Fixed heat Flux and click OK Set the heat source to 50 0 W Set the emissivity to 0 8 Click on OK OK Create the remaining PCB objects by Arraying the first Click on the Array button Change the following to Dimension Pitch X 1 0 0 Y 1 0 0 Z 3 0 3 Click on OK Click on Top Object twice and change Name to PCB1 Click on OK Click on Middle Object twice and change Name to PCB2 Click on OK Set remaining solution control parameters Click on Main menu Click on Initialisation Change FIINIT Value under TEM1 to 20 Click on arrow to get there Click on Numerics Change Total number of iterations to 400 Click

    Original URL path: http://www.cham.co.uk/phoenics/d_polis/d_wkshp/immer2.htm (2016-02-15)
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  • WORKSHOP - Combustion: SCRS
    controlled Reaction source Eddy breakup Specify properties Click on Properties Turn Use property table to OFF The density will be automatically set to 3 GASES Turn Density Storage to ON Check that Temperature should now be 3 GASES KINETIC and Specific Heat is 3 GASES Click Page down and continue the settings Change Reference Pres Pa to 8E5 and Reference Temp K to 0 0 Click Page up Set Initial values Click on Initialisation Set the following initial FIINIT values 10 0 m s for W1 11 25 m 2 s 2 for KE 353 0 m 2 s 3 for EP 11595 J kg for H1 3 6 kg m 3 for DEN1 0 0548 for FUEL 0 0548 for MIXF Enter numerical settings Click on Numerics Set Total number of iterations to 150 Click Relaxation control and then click on Limits on variables Change VARMAX of P1 to 1E5 and VARMAX of DEN1 to 4 0 Change VARMIN of TMP1 to 273 and VARMIN of H1 to 1 0 Click Previous panel Click on Top menu and then on OK to exit from Menu Create Objects and specify boundary conditions Create Blockages for combustion chamber Click on Settings New and New Object on the top bar of the VR Editor This will bring up the object specification dialog box Change name to CMP1 Click on Size and set SIZE of the object as Xsize 0 628 Ysize 0 013 Zsize 0 025 Click on General Define Type Blockage Click OK to exit from the Object specification Dialogue Box Click on Settings New and New Object Change name to CMP2 Click on Shape Find POLWE2 in the subdirectory public shapes and then select and click on Open Click on Size and set SIZE of the object as Xsize 0 628 Ysize 0 052 Zsize 0 025 Click on Place and set POSITION of the object as Xpos 0 Ypos 0 013 Zpos 0 Click on General Define Type Blockage Click OK to exit from the Object specification Dialogue Box Create the Fuel Inlet Click on Settings New and New Object Change name to INLET Click on Size and set Size of the object as Xsize 0 628 Ysize 0 Zsize 0 004 Click on Place and set POSITION of the object as Xpos 0 Ypos 0 013 Zpos 0 009 Click on General Define Type INLET Click on Attributes Toggle Inlet density to User set and then set density to 3 606 and temperature 773K Click on Gas composition and set FUEL to 0 0548 Oxidant to 0 9452 Click on Apply and OK Set velocity in Y direction at 100 m s Toggle Object side to High Click on OK twice to exit from the Object Specification Dialogue Box Create the secondary air inlets Click on Settings New and New Object Change name to SIN1 Clicl on Size and set Size of the object as Xsize 0 10 Ysize 0 Zsize 0 0245 Clicl on Place and set

    Original URL path: http://www.cham.co.uk/phoenics/d_polis/d_wkshp/combust/wsscrs.htm (2016-02-15)
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  • WORKSHOP - Combustion: ESCRS
    7 NELEM 4 INTEGER NCSTEP NCREAC NCSTEP 2 NCREAC 2 SCRS SYSTEM NCSTEP NCREAC NELEM FRATE SCRS SPECIES CH4 O2 H2 CO H2O CO2 N2 SCRS PROP CHEMKIN STWO SCRS EBU P 6 0 SCRS EBU S1 1 0 Common settings The following PIL settings are common to all of the models They should be pasted in after the model specific lines REAL YFUIN YOXIN YN2IN TINA TINF YFUIN 1 0 YOXIN 0 232 YN2IN 1 YOXIN TINA 750 TINF 288 STORE MMWT MCO MCO2 SCRS FUIN YFUIN 0 0 0 0 0 0 0 0 0 0 0 0 TINF SCRS OXIN 0 0 YOXIN 0 0 0 0 0 0 0 0 YN2IN TINA After the above editing is completed save the Q1 file and exit the text editor Allow the VR Editor to reload the Q1 on exit from the file editor We can now continue the rest of the settings through the VR Editor CHEMKIN data file The ESCRS uses a CHEMKIN link file to specify the elements and species present and the reactions taking place The first three options use the file SCH4 CKM and the 2 step reaction uses STWO CKM Both files can be found in the directory phoenics d earth d opt d chem The contents of SCH4 CKM are ELEMENTS C O H N END SPECIES CH4 O2 H2 CO H2O CO2 N2 END REACTIONS 2CH4 4O2 2CO2 4H2O 0 0 0 END The contents of STWO CKM are ELEMENTS C O H N END SPECIES CH4 O2 H2 CO H2O CO2 N2 END REACTIONS 2CH4 3O2 2CO 4H2O 0 0 0 2CO O2 2CO2 0 0 0 END To generate the CHEMKIN link file click Run Pre processor CHEMKIN Interpreter In the dialog that appears click Browse and navigate to the SCH4 CKM or STWO CKM files Select the appropriate one Click OK to run the interpreter The result should be the files sch4ckln sch4mcln and sch4 lis or stwockln stwomcln and stwo lis in the current working directory Specify properties Click on Menu and then Properties Toggle Use property table to OFF Set viscosity to 4 2E 05 Toggle Storage for all properties to ON Click Page Dn button and set Click Conductivity select CONST PRANDTL NO and set Prl 1 0 Thermal expansion coefficient Beta 0 0 Reference Press Pa 3 8E5 Reference temp K 0 0 Set Initial values Click on Initialisation Leave default values for all variables except for W1 set to 5 5 KE set to 9 458 EP set to 4 725E 03 H1 set to 4 865E 05 use the button to scroll the list of variables F set to 0 186 Source settings Click on Sources Toggle Use Earth Generated wall functions EGWF to F Enter numerical settings Click on Numerics Set Total number of iteration to 400 Click Relaxation control and set the following values Auto calculation of false time steps SARAH 0 005 fast chemistry model with a 1 step

    Original URL path: http://www.cham.co.uk/phoenics/d_polis/d_wkshp/combust/wsescrs.htm (2016-02-15)
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web-archive-uk.com, 2017-12-14