PHOTON USE p phi msg CONJUGATE HEAT TRANSFER IN A CURVED DUCT msg cl set ref vec 2 msg Velocity vectors: gr ou x 1;vec x 1 sh con blok x 1;int 1 msg msg Pressto continue pause con off;red msg Temperature distribution: con tem1 x 1 fi;.001 con blok x 1;int 1 msg - msg Press to continue pause con off;red msg Streamlines: str 2d x 1 sh;int 30 con blok x 1;int 1 msg msg Press e to END enduse GROUP 1. Run title TEXT(CONJ.HEAT TRANS.IN A CURVED DUCT: B459 TITLE mesg(PC486/50 time last reported as 1.5 min DISPLAY This case deals with conjugate heat transfer between a metal solid which stands in the middle of a curved 2-D duct, and a cold air stream which flows through the duct,passing the 'obstacle'. The geometry is represented by means of body-fitted coordinates ENDDIS GROUP 4. Y-direction grid specification NY=10;YVLAST=.05 GROUP 5. Z-direction grid specification NZ=10;ZWLAST=.20 GROUP 6. Body-fitted coordinates or grid distortion REAL(PI,YY0,ZZ0,ARC) PI=3.14159;ARC=PI/3. YY0=0.05*(3.0)**0.5 ZZ0=0.05 BFC=T DOMAIN(1,2,1,1,1,NZ+1) SETLIN(YC,.1*SIN(ARC+ARC*LNK)-YY0) SETLIN(ZC,ZZ0-.1*COS(ARC+ARC*LNK)) DOMAIN(1,2,NY+1,NY+1,1,NZ+1) SETLIN(YC,.15*SIN(ARC+ARC*LNK)-YY0) SETLIN(ZC,ZZ0-.15*COS(ARC+ARC*LNK)) DOMAIN(1,2,1,NY+1,1,1) SETLIN(YC,LNJ*(YL-YF)+YF) SETLIN(ZC,LNJ*(ZL-ZF)+ZF) DOMAIN(1,2,1,NY+1,NZ+1,NZ+1) SETLIN(YC,LNJ*(YL-YF)+YF) SETLIN(ZC,LNJ*(ZL-ZF)+ZF) DOMAIN(1,NX+1,1,NY+1,1,NZ+1) MAGIC(T) GROUP 7. Variables stored, solved & named SOLVE(P1,V1,W1,TEM1) SOLUTN(P1,Y,Y,Y,N,N,N) SOLUTN(TEM1,Y,Y,Y,N,N,Y) STORE(PRPS,BLOK,DEN1,VISL,VCRT,WCRT) GROUP 8. Terms (in differential equations) & devices STOVAR puts the index number for TEM1 which has been assigned by the Satellite into the variable IVARBK STOVAR(TEM1,IVARBK);ISOLBK=1 TERMS(TEM1,N,Y,Y,Y,P,P) GROUP 9. Properties of the medium (or media) ;ENUL=FILE;PRNDTL(TEM1)=CONDFILE GROUP 11. Initialization of variable or porosity fields FIINIT(W1)=1.0;FIINIT(PRPS)=0.0;FIINIT(BLOK)=1.0 PATCH(SOLID,INIVAL,1,1,5,6,4,5,1,1) material 103 is copper COVAL(SOLID,PRPS,0.0,103) COVAL(SOLID,BLOK,0.0,2.0) COVAL(SOLID,TEM1,0.0,5.0) CONPOR(SOLID,-1,CELL,1,1,-5,-6,-4,-5) GROUP 13. Boundary conditions and special sources INLET(INLET,LOW,1,NX,1,NY,1,1,1,1) VALUE(INLET,P1 ,1.29) VALUE(INLET,W1 ,1.00) VALUE(INLET,TEM1,5.00) PATCH(HOTHOT,CELL,1,NX,5,6,4,5,1,1) COVAL(HOTHOT,TEM1,FIXFLU,10.0) PATCH(OUTLET,HIGH,1,NX,1,NY,NZ,NZ,1,1) COVAL(OUTLET,P1,1.0E5,0.0) WALL (WALL1,NORTH,1,NX,NY,NY,1,NZ,1,1) COVAL(WALL1,W1,1.0,0.0) WALL (WALL2,SOUTH,1,NX, 1, 1,1,NZ,1,1) COVAL(WALL2,W1,1.0,0.0) GROUP 15. Termination of sweeps LSWEEP=50; LITER(TEM1)=100 RELAX(P1,LINRLX,0.7) RELAX(V1,FALSDT,0.01) RELAX(W1,FALSDT,0.01) GROUP 22. Spot-value print-out IYMON=6;IZMON=5;IZMON=6 selref=t;resfac=1.e-2 GROUP 23. Field print-out and plot control TSTSWP=-1