#$r002
PHOTON USE
AUTOPLOT
file
PHI 5
cl
msg Temperature profile
msg Analytical solution shows that
msg TS1=1000K (distance 0.5) and TS2=418K (distance 1.0)
da 1 tem1
col3 1
le x .5
le x 1
le y 293
le y 418
le y 1000
ENDUSE
* GROUP 1. Run identifiers and other preliminaries.
TEXT(1-D SOLID-FLUID-SOLID SET-UP: R116
TITLE
DISPLAY
The test case considers combined radiation and conduction
in the domain indicated below.
___________________________________________________________
/| /| |/ |/
/|-->qflx /|<---TS1 |/<---TS2 TR-->|/
/| /| |/ |/
/| SOLID 1 /| FLUID |/ SOLID 2 |/
/| ALUMINIUM /| AIR |/ ALUMINIUM |/
/| PRPS=100 /| PRPS=0 |/ PRPS=100 |/
/| /| |/ |/
/| /|<--thermal zone 1 |/<-thermal zone 2|/
/|__________________/|___________________|/________________|/
--------> Y
qflx = 55kW/m2; TR=293K; TS1 and TS2 to be computed.
length of domain = 1.5 m, height of domain = 1.0m
The PHOENICS solution can be compared with the analytical
solution which shows that TS1=1000.K, TS2=418.K and
the net radiative flux at zone 2 =54.97kW/m2
ENDDIS
* User declared Real variables
* NYG1 - the Y solid cell at zone 1 used in Group 12
* NYG2 - the Y gas cell at zone 2 used in Group 12
* NYG1 and NYG2 set in Group 4
INTEGER(NYG1,NYG2)
* GROUP 4. y-direction grid specification.
NREGY=3;REGEXT(Y,5.0000E-01)
* Region 1 for solid
IREGY=1;GRDPWR(Y,-4,5.0000E-01,1.9)
* Region 2 for fluid
NYG1=4
IREGY=2;GRDPWR(Y,-4,5.0000E-01,1.9)
NYG2=8
* Region 3 for solid
IREGY=3;GRDPWR(Y,4,5.0000E-01,1.9)
* GROUP 7. Variables (including porosities) named,
* stored & solved.
SOLVE(TEM1);SOLUTN(TEM1,Y,Y,Y,N,N,Y)
STORE(PRPS)
* GROUP 9. Properties of the medium (or media).
SETPRPS(1,0)
PRESS0=1.0000E+05; TEMP0=0
* GROUP 11. Initialization of fields of variables,
* porosities, etc.
* Initialize Properties Field
* SOLID boundary condition, name SLD
CONPOR(SLD,-1,CELL,-#1,-#1,-#1,-#1,-#1,-#1)
COVAL(SLD,PRPS,0.0,100)
* SOLID boundary condition, name SLD2
CONPOR(SLD2,-1,CELL,-#1,-#1,-#3,-#3,-#1,-#1)
COVAL(SLD2,PRPS,0.0,100)
FIINIT(TEM1)=1000
* GROUP 13. Boundary conditions and special sources
* boundary condition, name TFLXL to set the heat flux
for the conductive boundary condition
PATCH(TFLXL,SOUTH,#1,#1,#1,#1,#1,#1,#1,#NREGT)
COVAL(TFLXL,TEM1,FIXFLU,55000.)
* WALL boundary condition, name TFIXR to set the fixed TR
for the conductive boundary condition
PATCH(TFIXR,NWALL,#1,#1,#3,#3,#1,#1,#1,#NREGT)
COVAL(TFIXR,TEM1,1.0,293)
* Radiative zones have PATCH name of the form @RI###, ###
are digits indicating the zone number. RI indicates
that the PATCH is for an internal radiating zone.
* Radiation zone 1. The surface temperature of this zone
is calculated in GXS2SR
PATCH(@RI001,NORTH,#1,#1,#1,#1,#1,#1,#1,#NREGT)
COVAL(@RI001,TEM1,GRND1,GRND1)
* Radiation zone 2. The surface temperature of this zone
is calculated in GXS2SR
PATCH(@RI002,SOUTH,#1,#1,#3,#3,#1,#1,#1,#nregt)
COVAL(@RI002,TEM1,GRND1,GRND1)
LSWEEP=50;TSTSWP=-1
RELAX(TEM1,FALSDT,5000.)
S2SR=T
spedat(set,cvd,radcvd,l,t)
RESFAC=1E-6