TALK=T;RUN(1,1) PHOTON USE p;;;;; up 1 0 0;vi 0.5 1 0.75 gr ou x 1;gr ou y 1;gr ou z 1 gr ou x m;gr ou y m;gr ou z m gr ou x 1 y 1 2 z 2 2 col 2 gr ou x 6 y 1 2 z 7 7 col 2 gr ou z 4 x 1 4 y 1 3 col 6 gr ou z 6 x 2 5 y 1 3 col 6 ve y 2 sh msg 3D SHELL-AND-TUBE HEAT EXCHANGER msg -------------------------------- msg Velocity 1 phase: msg Press Enter to continue pause;vi 0 1 0 msg 3D SHELL-AND-TUBE HEAT EXCHANGER msg -------------------------------- msg Temperature distribution 1 phase: con 1sth y 2 sh;in 50 msg Press Enter to continue pause con off;red msg 3D SHELL-AND-TUBE HEAT EXCHANGER msg -------------------------------- msg Temperature distribution 2 phase: con 2ndh y 2 sh;in 50 msg Press e to END ENDUSE DISPLAY The heat exchanger considered has two baffles within the shell and the tubes arranged in five passes. The overall heat transfer coefficient depends on the local velocity and is introduced by PLANT. ===================== ENDDIS PLANTBEGIN Heat-exchange with tube fluid, throughout the exchanger. PATCH(HEX,VOLUME,1,NX,1,NY,1,NZ,1,1000)CO=2.*(U1**2+V1**2+W1**2)**0.25 VAL=2NDH COVAL(HEX,1STH,GRND,GRND) Heat-exchange with shell fluid, throughout the exchanger. CO=2.*(U1**2+W1**2+V1**2)**0.25 VAL=1STH COVAL(HEX,2NDH,GRND,GRND) PLANTEND ************************************************************ Group 1. Run Title and Number ************************************************************ ************************************************************ TEXT(3D SHELL-AND-TUBE HEAT EXCHANGER:110 ) ************************************************************ ************************************************************ IRUNN = 1 ;LIBREF = 110 ************************************************************ Group 2. Time dependence STEADY = T ************************************************************ Group 3. X-Direction Grid Spacing CARTES = T NX = 5 XULAST =1. XFRAC(1)=0.2 ;XFRAC(2)=0.4 XFRAC(3)=0.6 ;XFRAC(4)=0.8 XFRAC(5)=1. ************************************************************ Group 4. Y-Direction Grid Spacing NY = 3 YVLAST =0.5 YFRAC(1)=0.333333 ;YFRAC(2)=0.666667 YFRAC(3)=1. ************************************************************ Group 5. Z-Direction Grid Spacing PARAB = F NZ = 8 ZWLAST =4. ZFRAC(1)=0.125 ;ZFRAC(2)=0.25 ZFRAC(3)=0.375 ;ZFRAC(4)=0.5 ZFRAC(5)=0.625 ;ZFRAC(6)=0.75 ZFRAC(7)=0.875 ;ZFRAC(8)=1. ************************************************************ Group 6. Body-Fitted Coordinates ************************************************************ Group 7. Variables: STOREd,SOLVEd,NAMEd ONEPHS = T NAME(1)=P1 ;NAME(3)=U1 NAME(5)=V1 ;NAME(7)=W1 NAME(14)=1STH ;NAME(15)=2NDH NAME(148)=HPOR ;NAME(149)=NPOR NAME(150)=EPOR * Y in SOLUTN argument list denotes: * 1-stored 2-solved 3-whole-field * 4-point-by-point 5-explicit 6-harmonic averaging SOLUTN(P1,Y,Y,N,N,N,Y) SOLUTN(U1,Y,Y,N,N,N,Y) SOLUTN(V1,Y,Y,N,N,N,Y) SOLUTN(W1,Y,Y,N,N,N,Y) SOLUTN(1STH,Y,Y,N,N,N,Y) SOLUTN(2NDH,Y,Y,N,N,N,Y) SOLUTN(HPOR,Y,N,N,N,N,Y) SOLUTN(NPOR,Y,N,N,N,N,Y) SOLUTN(EPOR,Y,N,N,N,N,Y) EPOR = 150 ;HPOR = 148 ;NPOR = 149 ;VPOR = 0 ************************************************************ Group 8. Terms & Devices * Y in TERMS argument list denotes: * 1-built-in source 2-convection 3-diffusion 4-transient * 5-first phase variable 6-interphase transport TERMS(P1,Y,Y,Y,N,Y,Y) TERMS(U1,Y,Y,N,Y,Y,Y) TERMS(V1,Y,Y,N,Y,Y,Y) TERMS(W1,Y,Y,N,Y,Y,Y) TERMS(1STH,N,Y,N,Y,Y,Y) TERMS(2NDH,N,N,N,Y,N,N) DIFCUT =0.5 ;ZDIFAC =1. GALA = F ;ADDDIF = F ISOLX = -1 ;ISOLY = -1 ;ISOLZ = -1 ************************************************************ Group 9. Properties used if PRPS is not stored, and where PRPS = -1.0 if it is! RHO1 =1. ;TMP1 =0. ;EL1 =0. TSURR =0. ;TEMP0 =0. ;PRESS0 =0. DVO1DT =0. ;DRH1DP =0. EMISS =0. ;SCATT =0. RADIA =0. ;RADIB =0. ENUL =1.0E-05 ;ENUT =0. CP1 =1. ;CP2 =1. ************************************************************ Group 10.Inter-Phase Transfer Processes ************************************************************ Group 11.Initial field variables (PHIs) FIINIT(P1)=1.0E-10 ;FIINIT(U1)=0. FIINIT(V1)=0. ;FIINIT(W1)=0.1 FIINIT(1STH)=1. ;FIINIT(2NDH)=0. FIINIT(HPOR)=0.5 ;FIINIT(NPOR)=0.5 FIINIT(EPOR)=0.5 No PATCHes yet used for this Group INIADD = F FSWEEP = 1 NAMFI =CHAM ************************************************************ Group 12. Patchwise adjustment of terms Patches for this group are printed with those for Group 13. Their names begin either with GP12 or & ************************************************************ Group 13. Boundary & Special Sources PATCH(SHELLIN ,CELL , 1, 1, 2, 3, 2, 2, 1, 1000) COVAL(SHELLIN ,P1 , FIXFLU ,0.05 ) COVAL(SHELLIN ,1STH,0. ,1. ) PATCH(SHELLOUT,EAST , 5, 5, 2, 3, 7, 7, 1, 1000) COVAL(SHELLOUT,P1 ,1. ,0. ) PATCH(TUBEIN ,CELL , 1, 1, 1, 3, 8, 8, 1, 1000) COVAL(TUBEIN ,2NDH,0.033333 ,0. ) PATCH(NEH1 ,CELL , 1, 1, 1, 3, 1, 7, 1, 1000) COVAL(NEH1 ,2NDH,0.033333 , GRND8 ) PATCH(NEW1 ,CELL , 2, 2, 1, 3, 1, 1, 1, 1000) COVAL(NEW1 ,2NDH,0.033333 , GRND8 ) PATCH(NEL1 ,CELL , 2, 2, 1, 3, 2, 8, 1, 1000) COVAL(NEL1 ,2NDH,0.033333 , GRND8 ) PATCH(NEW2 ,CELL , 3, 3, 1, 3, 8, 8, 1, 1000) COVAL(NEW2 ,2NDH,0.033333 , GRND8 ) PATCH(NEH2 ,CELL , 3, 3, 1, 3, 1, 7, 1, 1000) COVAL(NEH2 ,2NDH,0.033333 , GRND8 ) PATCH(NEW3 ,CELL , 4, 4, 1, 3, 1, 1, 1, 1000) COVAL(NEW3 ,2NDH,0.033333 , GRND8 ) PATCH(NEL2 ,CELL , 4, 4, 1, 3, 2, 8, 1, 1000) COVAL(NEL2 ,2NDH,0.033333 , GRND8 ) PATCH(NEW4 ,CELL , 5, 5, 1, 3, 8, 8, 1, 1000) COVAL(NEW4 ,2NDH,0.033333 , GRND8 ) PATCH(NEH3 ,CELL , 5, 5, 1, 3, 1, 7, 1, 1000) COVAL(NEH3 ,2NDH,0.033333 , GRND8 ) PATCH(HEX ,VOLUME, 1, 5, 1, 3, 1, 8, 1, 1000) COVAL(HEX ,1STH, GRND , GRND ) COVAL(HEX ,2NDH, GRND , GRND ) PATCH(BAFFLE1 ,HIGH , 1, 4, 1, 3, 3, 3, 1, 1000) COVAL(BAFFLE1 ,W1 , FIXVAL ,0. ) PATCH(BAFFLE2 ,HIGH , 2, 5, 1, 3, 5, 5, 1, 1000) COVAL(BAFFLE2 ,W1 , FIXVAL ,0. ) PATCH(RESIST ,PHASEM, 1, 5, 1, 3, 1, 8, 1, 1000) COVAL(RESIST ,U1 ,100. ,0. ) COVAL(RESIST ,V1 ,100. ,0. ) COVAL(RESIST ,W1 ,50. ,0. ) XCYCLE = F EGWF = T WALLCO = GRND2 ************************************************************ Group 14. Downstream Pressure For PARAB ************************************************************ Group 15. Terminate Sweeps LSWEEP = 100 ;ISWC1 = 1 LITHYD = 1 ;LITFLX = 1 ;LITC = 1 ;ITHC1 = 1 SELREF = T RESFAC =1.0E-05 ************************************************************ Group 16. Terminate Iterations LITER(P1)=100 ;LITER(U1)=10 LITER(V1)=10 ;LITER(W1)=10 LITER(1STH)=20 ;LITER(2NDH)=20 ENDIT(P1)=1.0E-03 ;ENDIT(U1)=1.0E-03 ENDIT(V1)=1.0E-03 ;ENDIT(W1)=1.0E-03 ENDIT(1STH)=1.0E-03 ;ENDIT(2NDH)=1.0E-03 ************************************************************ Group 17. Relaxation RELAX(P1,LINRLX,1.) RELAX(U1,FALSDT,1.) RELAX(V1,FALSDT,1.) RELAX(W1,FALSDT,1.) RELAX(1STH,FALSDT,100.) RELAX(2NDH,FALSDT,100.) OVRRLX =0. EXPERT = F ;NNORSL = F ************************************************************ Group 18. Limits VARMAX(P1)=1.0E+10 ;VARMIN(P1)=-1.0E+10 VARMAX(U1)=1.0E+06 ;VARMIN(U1)=-1.0E+06 VARMAX(V1)=1.0E+06 ;VARMIN(V1)=-1.0E+06 VARMAX(W1)=1.0E+06 ;VARMIN(W1)=-1.0E+06 VARMAX(1STH)=1.0E+10 ;VARMIN(1STH)=-1.0E+10 VARMAX(2NDH)=1.0E+10 ;VARMIN(2NDH)=-1.0E+10 VARMAX(HPOR)=1.0E+10 ;VARMIN(HPOR)=-1.0E+10 VARMAX(NPOR)=1.0E+10 ;VARMIN(NPOR)=-1.0E+10 VARMAX(EPOR)=1.0E+10 ;VARMIN(EPOR)=-1.0E+10 ************************************************************ Group 19. Data transmitted to GROUND NAMSAT =MOSG PARSOL = F ISG62 = 1 SPEDAT(SET,GXMONI,PLOTALL,L,T) RG( 1) =0.08 ************************************************************ Group 20. Preliminary Printout DISTIL = T ;NULLPR = F NDST = 0 DSTTOL =1.0E-02 EX(P1)=119.099998 ;EX(U1)=0.3 EX(V1)=0.02262 ;EX(W1)=0.3339 EX(1STH)=0.4835 ;EX(2NDH)=0.4681 EX(HPOR)=0. ;EX(NPOR)=0. EX(EPOR)=0. ************************************************************ Group 21. Print-out of Variables INIFLD = F ;SUBWGR = F * Y in OUTPUT argument list denotes: * 1-field 2-correction-eq. monitor 3-selective dumping * 4-whole-field residual 5-spot-value table 6-residual table OUTPUT(P1,Y,N,Y,Y,Y,Y) OUTPUT(U1,Y,N,Y,Y,Y,Y) OUTPUT(V1,Y,N,Y,Y,Y,Y) OUTPUT(W1,Y,N,Y,Y,Y,Y) OUTPUT(1STH,Y,N,Y,Y,Y,Y) OUTPUT(2NDH,Y,N,Y,Y,Y,Y) OUTPUT(HPOR,N,N,N,N,N,N) OUTPUT(NPOR,N,N,N,N,N,N) OUTPUT(EPOR,N,N,N,N,N,N) ************************************************************ Group 22. Monitor Print-Out IXMON = 6 ;IYMON = 6 ;IZMON = 1 NPRMON = 100000 ;NPRMNT = 1 ;TSTSWP = -1 UWATCH = T ;USTEER = T HIGHLO = F ************************************************************ Group 23.Field Print-Out & Plot Control NPRINT = 100000 ;NUMCLS = 5 NXPRIN = -1 ;IXPRF = 1 ;IXPRL = 10000 NYPRIN = -1 ;IYPRF = 1 ;IYPRL = 10000 NZPRIN = -1 ;IZPRF = 1 ;IZPRL = 10000 XZPR = T ;YZPR = F IPLTF = 1 ;IPLTL = 100 ;NPLT = 1 ISWPRF = 1 ;ISWPRL = 100000 ITABL = 3 ;IPROF = 1 ABSIZ =0.5 ;ORSIZ =0.4 NTZPRF = 1 ;NCOLPF = 50 ICHR = 2 ;NCOLCO = 45 ;NROWCO = 20 PATCH(PASS1 ,PROFIL, 1, 1, 2, 2, 1, 8, 1, 1000) PLOT(PASS1 ,1STH,0. ,1. ) PLOT(PASS1 ,2NDH,0. ,1. ) PATCH(PASS2 ,PROFIL, 2, 2, 2, 2, 1, 8, 1, 1000) PLOT(PASS2 ,1STH,0. ,1. ) PLOT(PASS2 ,2NDH,0. ,1. ) PATCH(PASS3 ,PROFIL, 3, 3, 2, 2, 1, 8, 1, 1000) PLOT(PASS3 ,1STH,0. ,1. ) PLOT(PASS3 ,2NDH,0. ,1. ) PATCH(PASS4 ,PROFIL, 4, 4, 2, 2, 1, 8, 1, 1000) PLOT(PASS4 ,1STH,0. ,1. ) PLOT(PASS4 ,2NDH,0. ,1. ) ************************************************************ Group 24. Dumps For Restarts SAVE = T ;NOWIPE = F NSAVE =CHAM STOP