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TALK=T;RUN(1,1)
DISPLAY

COUNTER-FLOW HEAT EXCHANGER

2-dimensional (y-z), polar, steady, elliptic simulation

This case simulates a flow in a cylinder with a heated wall and a
central tube containing a different, colder fluid flowing in the
opposite direction. The geometry of the problem is sketched below.

+----------------------------------+
|      _    ____shroud________     |
outlet2|     | |  |__________________|    |             y ^
<----   | |\plate                  <---- inlet2      |
__________________________________                +---->
inlet1  |__________________________________|tube               z
---->                                -----> outlet1
+----------------------------------+

enddis
PHOTON USE
P

gr ou x 1
gr ou x 1 y 4 4
gr ou x 1 z 4 4 y 5 8
gr ou x 1 y 10 10 z 7 17
msg The geometry
msg Press  to continue
pause
vec x 1 sh
msg The flow field
msg Press  to continue
pause
con tem1 x 1 sh; Int 30
msg Temperature contours
msg Press  to continue
pause
con cl; Vec cl; Red
set con sca pl
con tem1 x 1 y 1 3 sh; Int 20
msg Temperature in the inner tube
msg Press  to continue
pause
con cl; Red
con tem1 x 1 y 5 m sh; Int 20
msg Temperature in the outer region
msg Press  to continue
pause
con cl
mir y
up z
con tem1 x 1 y 5 m fi;.01
con tem1 x 1 y 1 3 fi;.01
gr ou x 1
gr ou x 1 y 4 4
gr ou x 1 z 4 4 y 5 8
gr ou x 1 y 10 10 z 7 17
msg The full geometry
msg Press  to continue
pause
vec x 1
msg Press e to END
enduse
************************************************************
Group 1. Run Title and Number
************************************************************
************************************************************

TEXT(Counter Flow Demo                       )

************************************************************
************************************************************

IRUNN = 1 ;LIBREF = 0
************************************************************
Group 2. Time dependence
************************************************************
Group 3. X-Direction Grid Spacing
CARTES = F
NX = 1
XULAST =1.0E-02
XFRAC(1)=1.
************************************************************
Group 4. Y-Direction Grid Spacing
NY = 15
YVLAST =1.
YFRAC(1)=0.066667 ;YFRAC(2)=0.133333
YFRAC(3)=0.2 ;YFRAC(4)=0.22
YFRAC(5)=0.286667 ;YFRAC(6)=0.353333
YFRAC(7)=0.42 ;YFRAC(8)=0.47
YFRAC(9)=0.5 ;YFRAC(10)=0.52
YFRAC(11)=0.616 ;YFRAC(12)=0.712
YFRAC(13)=0.808 ;YFRAC(14)=0.904
YFRAC(15)=1.
************************************************************
Group 5. Z-Direction Grid Spacing
PARAB = F
NZ = 20
ZWLAST =3.
ZFRAC(1)=0.044444 ;ZFRAC(2)=0.088889
ZFRAC(3)=0.133333 ;ZFRAC(4)=0.15
ZFRAC(5)=0.208333 ;ZFRAC(6)=0.266667
ZFRAC(7)=0.321212 ;ZFRAC(8)=0.375758
ZFRAC(9)=0.430303 ;ZFRAC(10)=0.484848
ZFRAC(11)=0.539394 ;ZFRAC(12)=0.593939
ZFRAC(13)=0.648485 ;ZFRAC(14)=0.70303
ZFRAC(15)=0.757576 ;ZFRAC(16)=0.812121
ZFRAC(17)=0.866667 ;ZFRAC(18)=0.911111
ZFRAC(19)=0.955556 ;ZFRAC(20)=1.
************************************************************
Group 6. Body-Fitted Coordinates
************************************************************
Group 7. Variables: STOREd,SOLVEd,NAMEd
ONEPHS = T
NAME(1)=P1 ;NAME(5)=V1
NAME(7)=W1 ;NAME(146)=ENUL
NAME(147)=BLOK ;NAME(148)=PRPS
NAME(149)=DEN1 ;NAME(150)=TEM1
* 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,Y,N,N,Y)
SOLUTN(V1,Y,Y,Y,N,N,Y)
SOLUTN(W1,Y,Y,Y,N,N,Y)
SOLUTN(ENUL,Y,N,N,N,N,Y)
SOLUTN(BLOK,Y,N,N,N,N,Y)
SOLUTN(PRPS,Y,N,N,N,N,Y)
SOLUTN(DEN1,Y,N,N,N,N,Y)
SOLUTN(TEM1,Y,Y,Y,N,N,Y)
DEN1 = 149
VISL = 146
IVARBK = -1 ;ISOLBK = 1
PRNITS= F ;OPTRLX= F ;NOSIP= F ;ALLVBC= F
DBSOLV= F ;IMPINI= F ;EARL1D= F
PRPS = 148
************************************************************
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(V1,Y,Y,Y,Y,Y,Y)
TERMS(W1,Y,Y,Y,Y,Y,Y)
TERMS(TEM1,N,Y,Y,Y,Y,Y)
DIFCUT =0.5 ;ZDIFAC =1.
GALA = F ;ADDDIF = F
ISOLX = 0 ;ISOLY = 0 ;ISOLZ = 0
************************************************************
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 =1.0E+05
DVO1DT =0. ;DRH1DP =0.
EMISS =0. ;SCATT =0.
ENUL =1.0E-05 ;ENUT =3.178E-03
PRNDTL(V1)=1. ;PRNDTL(W1)=1.
PRNDTL(TEM1)=1.
PRT(V1)=1. ;PRT(W1)=1.
PRT(TEM1)=1.
CP1 =1. ;CP2 =1.
************************************************************
Group 10.Inter-Phase Transfer Processes
************************************************************
Group 11.Initial field variables (PHIs)
FIINIT(P1)=1.0E-10 ;FIINIT(V1)=1.0E-10
FIINIT(W1)=1.0E-10 ;FIINIT(ENUL)=1.0E-10
FIINIT(BLOK)=1. ;FIINIT(PRPS)=0.
FIINIT(DEN1)=1.0E-10 ;FIINIT(TEM1)=20.

PATCH(SHROU ,INIVAL, 1, 1, 10, 10, 7, 17, 1, 1)
INIT(SHROU ,BLOK,0. ,2. )
INIT(SHROU ,PRPS,0. ,111. )

PATCH(PLTE ,INIVAL, 1, 1, 5, 8, 4, 4, 1, 1)
INIT(PLTE ,BLOK,0. ,3. )
INIT(PLTE ,PRPS,0. ,111. )

PATCH(TUBE ,INIVAL, 1, 1, 4, 4, 1, 20, 1, 1)
INIT(TUBE ,BLOK,0. ,4. )
INIT(TUBE ,PRPS,0. ,111. )

PATCH(FLUID ,INIVAL, 1, 1, 1, 3, 1, 20, 1, 1)
INIT(FLUID ,PRPS,0. ,4. )
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(IN1 ,LOW , 1, 1, 1, 3, 1, 1, 1, 1)
COVAL(IN1 ,P1 , FIXFLU ,0.69 )
COVAL(IN1 ,V1 ,0. ,0. )
COVAL(IN1 ,W1 ,0. ,1. )
COVAL(IN1 ,TEM1,0. ,20. )

PATCH(IN2 ,HIGH , 1, 1, 5, 7, 20, 20, 1, 1)
COVAL(IN2 ,P1 , FIXFLU ,11.89 )
COVAL(IN2 ,V1 ,0. ,0. )
COVAL(IN2 ,W1 ,0. ,-10. )
COVAL(IN2 ,TEM1,0. ,100. )

PATCH(OUT1 ,HIGH , 1, 1, 1, 3, 20, 20, 1, 1)
COVAL(OUT1 ,P1 ,1000. ,0. )
COVAL(OUT1 ,V1 ,0. ,0. )
COVAL(OUT1 ,W1 ,0. ,0. )
COVAL(OUT1 ,TEM1,0. ,0. )

PATCH(OUT2 ,LOW , 1, 1, 5, 10, 1, 1, 1, 1)
COVAL(OUT2 ,P1 ,1000. ,0. )
COVAL(OUT2 ,V1 ,0. ,0. )
COVAL(OUT2 ,W1 ,0. ,0. )
COVAL(OUT2 ,TEM1,0. ,0. )

PATCH(WALL ,NWALL , 1, 1, 15, 15, 1, 20, 1, 1)
COVAL(WALL ,W1 , GRND2 ,0. )
COVAL(WALL ,TEM1, GRND2 ,50. )
XCYCLE = F
EGWF = T
WALLCO = GRND2
************************************************************
Group 14. Downstream Pressure For PARAB
************************************************************
Group 15. Terminate Sweeps
LSWEEP = 50 ;ISWC1 = 1
LITHYD = 1 ;LITFLX = 1 ;LITC = 1 ;ITHC1 = 1
SELREF = T
RESFAC =1.0E-03
************************************************************
Group 16. Terminate Iterations
LITER(P1)=20 ;LITER(V1)=10
LITER(W1)=10 ;LITER(TEM1)=20
ENDIT(P1)=1.0E-03 ;ENDIT(V1)=1.0E-03
ENDIT(W1)=1.0E-03 ;ENDIT(TEM1)=1.0E-03
************************************************************
Group 17. Relaxation
RELAX(P1,LINRLX,1.)
RELAX(V1,FALSDT,0.1)
RELAX(W1,FALSDT,0.1)
RELAX(ENUL,LINRLX,1.)
RELAX(BLOK,LINRLX,1.)
RELAX(PRPS,LINRLX,1.)
RELAX(DEN1,LINRLX,1.)
RELAX(TEM1,FALSDT,1.0E+09)
OVRRLX =0.
EXPERT = F ;NNORSL = F
************************************************************
Group 18. Limits
VARMAX(P1)=1.0E+10 ;VARMIN(P1)=-1.0E+10
VARMAX(V1)=1.0E+06 ;VARMIN(V1)=-1.0E+06
VARMAX(W1)=1.0E+06 ;VARMIN(W1)=-1.0E+06
VARMAX(ENUL)=1.0E+10 ;VARMIN(ENUL)=-1.0E+10
VARMAX(BLOK)=1.0E+10 ;VARMIN(BLOK)=-1.0E+10
VARMAX(PRPS)=1.0E+10 ;VARMIN(PRPS)=-1.0E+10
VARMAX(DEN1)=1.0E+10 ;VARMIN(DEN1)=-1.0E+10
VARMAX(TEM1)=1.0E+10 ;VARMIN(TEM1)=-1.0E+10
************************************************************
Group 19. Data transmitted to GROUND
PARSOL = F
ISG62 = 1
SPEDAT(SET,GXMONI,PLOTALL,L,T)
SPEDAT(SET,MATERIAL,0,L,T)
SPEDAT(SET,MATERIAL,111,L,T)
SPEDAT(SET,MATERIAL,4,L,T)
************************************************************
Group 20. Preliminary Printout
************************************************************
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,Y,Y,Y,Y,Y)
OUTPUT(V1,Y,Y,Y,Y,Y,Y)
OUTPUT(W1,Y,Y,Y,Y,Y,Y)
OUTPUT(ENUL,Y,N,Y,N,N,N)
OUTPUT(BLOK,Y,N,Y,N,N,N)
OUTPUT(PRPS,Y,N,Y,N,N,N)
OUTPUT(DEN1,Y,N,Y,N,N,N)
OUTPUT(TEM1,Y,N,Y,Y,Y,Y)
************************************************************
Group 22. Monitor Print-Out
IXMON = 1 ;IYMON = 7 ;IZMON = 15
NPRMON = 100000 ;NPRMNT = 1 ;TSTSWP = -1
UWATCH = T ;USTEER = T
HIGHLO = F
************************************************************
Group 23.Field Print-Out & Plot Control
NPRINT = 100000 ;NUMCLS = 5
NYPRIN = -1 ;IYPRF = 1 ;IYPRL = 10000
NZPRIN = -1 ;IZPRF = 1 ;IZPRL = 10000
XZPR = F ;YZPR = F
IPLTF = 1 ;IPLTL = -1 ;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
No PATCHes yet used for this Group
************************************************************
Group 24. Dumps For Restarts
SAVE = T ;NOWIPE = F
NSAVE =CHAM
STOP
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