TALK=T;RUN(1,1)
  DISPLAY

  Heat is radiated from a hot wall to a cold though a participating
  medium, which is however supposed to possess zero conductivity,
  set by making PRNDTL(TEM1) = 1.e10 .

  The medium therefore takes a temperature equal to T3, the
  'radiation temperature'.

  The emissivities of the walls, which coincide with the outer
  boundaries of the domain, are less than unity. The are set via
  PATCH, COVAL and SPEDAT commmands.

  The equations have an exact solution, to which the PHOENICS
  solution conforms well.

  It is interesting to note that, when the medium is given a
  finite conductivity, the radiant heat flux is increased.

  ENDDIS
   PHOTON USE
   AUTOPLOT
   FILE
   PHI 5

   CL;DA 1 TEM1;DA 1 T3;COL3 1;BLB4 2;REDR
   MSG    Temperature and T3 profiles.
   ENDUSE
 ************************************************************
  Group 1. Run Title and Number
 ************************************************************
 ************************************************************
 
 TEXT(IMMERSOL-WALL 1D for TEM1 & T3.    :206 )
 
 ************************************************************
 ************************************************************
 
 IRUNN = 1 ;LIBREF = 1
 ************************************************************
  Group 2. Time dependence
 STEADY = T
 ************************************************************
  Group 3. X-Direction Grid Spacing
 CARTES = T
 NX = 1
 XULAST =1.
 XFRAC(1)=1.
 ************************************************************
  Group 4. Y-Direction Grid Spacing
 NY = 10
 YVLAST =1.
 YFRAC(1)=0.1 ;YFRAC(2)=0.2
 YFRAC(3)=0.3 ;YFRAC(4)=0.4
 YFRAC(5)=0.5 ;YFRAC(6)=0.6
 YFRAC(7)=0.7 ;YFRAC(8)=0.8
 YFRAC(9)=0.9 ;YFRAC(10)=1.
 ************************************************************
  Group 5. Z-Direction Grid Spacing
 PARAB = F
 NZ = 1
 ZWLAST =1.
 ZFRAC(1)=1.
 ************************************************************
  Group 6. Body-Fitted Coordinates
 ************************************************************
  Group 7. Variables: STOREd,SOLVEd,NAMEd
 ONEPHS = T
 NAME(143)=QRY ;NAME(144)=TEM1
 NAME(145)=LTLS ;NAME(146)=WDIS
 NAME(147)=WGAP ;NAME(148)=T3
 NAME(149)=SCAT ;NAME(150)=EMIS
    * Y in SOLUTN argument list denotes:
    * 1-stored 2-solved 3-whole-field
    * 4-point-by-point 5-explicit 6-harmonic averaging 
 SOLUTN(QRY,Y,N,N,N,N,Y)
 SOLUTN(TEM1,Y,Y,N,N,N,Y)
 SOLUTN(LTLS,Y,Y,Y,N,N,Y)
 SOLUTN(WDIS,Y,N,N,N,N,N)
 SOLUTN(WGAP,Y,N,N,N,N,Y)
 SOLUTN(T3,Y,Y,N,N,N,Y)
 SOLUTN(SCAT,Y,N,N,N,N,Y)
 SOLUTN(EMIS,Y,N,N,N,N,Y)
 ************************************************************
  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(TEM1,N,Y,Y,Y,Y,Y)
 TERMS(LTLS,N,N,Y,N,Y,Y)
 TERMS(T3,N,N,Y,N,Y,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 =1. ;SCATT =0.
 RADIA =0. ;RADIB =0.
 ENUL =1.0E-05 ;ENUT =0.
 PRNDTL(TEM1)=1.0E+10 ;PRNDTL(LTLS)=1.
 PRNDTL(T3)=1.
 PRT(TEM1)=1. ;PRT(LTLS)=1.
 PRT(T3)=1.
 CP1 =1. ;CP2 =1.
 ************************************************************
  Group 10.Inter-Phase Transfer Processes
 ************************************************************
  Group 11.Initial field variables (PHIs)
 FIINIT(QRY)=1.0E-10 ;FIINIT(TEM1)=600.
 FIINIT(LTLS)=1.0E-10 ;FIINIT(WDIS)=0.1
 FIINIT(WGAP)=1.0E-10 ;FIINIT(T3)=1.0E-10
 FIINIT(SCAT)=0. ;FIINIT(EMIS)=1.
   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(IMSWL1 ,SWALL , 1, 1, 1, 1, 1, 1, 1, 1)
 COVAL(IMSWL1 ,TEM1, GRND2 ,800. )
 COVAL(IMSWL1 ,T3 , GRND4 ,800. )
 
 PATCH(IMSWL2 ,NWALL , 1, 1, 10, 10, 1, 1, 1, 1)
 COVAL(IMSWL2 ,TEM1, GRND2 ,400. )
 COVAL(IMSWL2 ,T3 , GRND4 ,400. )
 XCYCLE = F
 EGWF = T
 WALLCO = GRND2
 ************************************************************
  Group 14. Downstream Pressure For PARAB
 ************************************************************
  Group 15. Terminate Sweeps
 LSWEEP = 200 ;ISWC1 = 1
 LITHYD = 1 ;LITFLX = 1 ;LITC = 1 ;ITHC1 = 1
 SELREF = F
 RESREF(TEM1)=1.0E-08 ;RESREF(LTLS)=1.0E-08
 RESREF(T3)=1.0E-03
 ************************************************************
  Group 16. Terminate Iterations
 LITER(TEM1)=20 ;LITER(LTLS)=20
 LITER(T3)=20
 ENDIT(TEM1)=1.0E-03 ;ENDIT(LTLS)=1.0E-03
 ENDIT(T3)=1.0E-03
 ************************************************************
  Group 17. Relaxation
 RELAX(QRY,LINRLX,1.)
 RELAX(TEM1,FALSDT,1.0E+09)
 RELAX(LTLS,FALSDT,1.0E+09)
 RELAX(WDIS,LINRLX,1.)
 RELAX(WGAP,LINRLX,1.)
 RELAX(T3,LINRLX,0.5)
 RELAX(SCAT,LINRLX,1.)
 RELAX(EMIS,LINRLX,1.)
 OVRRLX =0.
 EXPERT = F ;NNORSL = F
 ************************************************************
  Group 18. Limits
 VARMAX(QRY)=1.0E+10 ;VARMIN(QRY)=-1.0E+10
 VARMAX(TEM1)=800. ;VARMIN(TEM1)=400.
 VARMAX(LTLS)=1.0E+10 ;VARMIN(LTLS)=-1.0E+10
 VARMAX(WDIS)=1.0E+10 ;VARMIN(WDIS)=-1.0E+10
 VARMAX(WGAP)=1.0E+10 ;VARMIN(WGAP)=-1.0E+10
 VARMAX(T3)=800. ;VARMIN(T3)=400.
 VARMAX(SCAT)=1.0E+10 ;VARMIN(SCAT)=-1.0E+10
 VARMAX(EMIS)=1.0E+10 ;VARMIN(EMIS)=-1.0E+10
 ************************************************************
  Group 19. Data transmitted to GROUND
 PARSOL = F
 ISG62 = 1
 SPEDAT(SET,EMISSIVITY,OFIMSWL1,R,0.3)
 SPEDAT(SET,EMISSIVITY,OFIMSWL2,R,0.1)
 ************************************************************
  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(QRY,Y,N,Y,N,N,N)
 OUTPUT(TEM1,Y,N,Y,Y,Y,Y)
 OUTPUT(LTLS,N,N,N,N,N,N)
 OUTPUT(WDIS,N,N,N,N,N,N)
 OUTPUT(WGAP,Y,N,Y,N,N,N)
 OUTPUT(T3,Y,N,Y,Y,Y,Y)
 OUTPUT(SCAT,Y,N,Y,N,N,N)
 OUTPUT(EMIS,Y,N,Y,N,N,N)
 ************************************************************
  Group 22. Monitor Print-Out
 IXMON = 1 ;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
 NYPRIN = 1 ;IYPRF = 1 ;IYPRL = 10000
 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