TALK=T;RUN( 1, 1) GROUP 1. Run title and other preliminaries TEXT(2D STEADY BOILING IN PIPE CFIPS+ CINT = GRND7) This case is a modified w370 for detecting relaxation in e3cmp2 GROUP 3. X-direction grid specification load(w370) ** Size should be filled by CFIPS=GRND7 store(CFIP,size) GROUP 9. Properties of the medium (or media) ** Switch of dissusion of R1,R2 PRNDTL(R1)=1.E10;PRNDTL(R2)=1.E10 ** Densities RHO1=750.;RHO2=35. GROUP 10. Interphase-transfer processes and properties ** Set a non-constant inter-phase friction coefficient and activate the computation of inter-phase mass transfer by means of a heat balance. CFIPS=grnd7;CMDOT=HEATBL ** particle size cfipb=5.e-5 ** minimum slip velocity cfipa=0.0001 ** Set the inter-phase heat transfer coefficients. CINT(H1)=1.E1;CINT(H2)=1.E1 ** Heat transfer to spheres cint(h1)=grnd7;cint(h2)=1.e15 ** particle size cinh2c=5.e-5 ** Set the enthalpy values at the interface ** Saturation values < 0 liuid > 1.513E+6 steam PHINT(H1)=0.;PHINT(H2)=1.513E+6 GROUP 11. Initialization of variable or porosity fields ** Incoming steam and water set to same velocity FIINIT(R1)=0.8 FIINIT(R2)=0.2 FIINIT(H1)=0.0;FIINIT(H2)=1.513E6;FIINIT(MDOT)=0.0 GROUP 13. Boundary conditions and special sources ** Inlet at bottom PATCH(INLET,LOW,#1,#1,#1,#NREGY,#1,#1,1,1) COVAL(INLET,P1,FIXFLU,2.*rho1*0.8) COVAL(INLET,W1,ONLYMS,2.0) COVAL(INLET,P2,FIXFLU,2.*rho2*0.2) COVAL(INLET,W2,ONLYMS,2.0) ** enthalpies between saturation values COVAL(INLET,H1,ONLYMS,0.) COVAL(INLET,H2,ONLYMS,phint(h2)) ** Outlet PATCH(OUTLET,HIGH,#1,#1,#1,#NREGY,#NREGZ,#NREGZ,1,1) COVAL(OUTLET,P1,RHO1*FIXP,0.0);COVAL(OUTLET,P2,RHO2*FIXP,0.0) COVAL(OUTLET,W1,ONLYMS,0.0);COVAL(OUTLET,W2,ONLYMS,0.0) COVAL(OUTLET,H1,ONLYMS,SAME);COVAL(OUTLET,H2,ONLYMS,SAME) GROUP 15. Termination of sweeps LSWEEP=300 RESREF(P1)=1.E-5;RESREF(V1)=1.E-4 RESREF(V2)=1.E-4;RESREF(W1)=1.E-4 RESREF(W1)=1.E-4;RESREF(H1)=1.E-4 RESREF(H1)=1.E-4;RESREF(R1)=1.E-4 RESREF(R1)=1.E-4 resfac=1e-6 ** default library case relaxations GROUP 17. Under-relaxation devices RELAX(V1,FALSDT,0.001);RELAX(V2,FALSDT,0.001) RELAX(W1,FALSDT,0.001);RELAX(W2,FALSDT,0.001) RELAX(R1,LINRLX,0.25);RELAX(R2,LINRLX,0.25) RELAX(MDOT,LINRLX,0.1);RELAX(H1,FALSDT,1.0) RELAX(H2,FALSDT,1.0) RELAX(CFIP,LINRLX,0.5) GROUP 22. Spot-value print-out IYMON=5;IZMON=1 GROUP 23. Field print-out and plot control output(mdot,p,p,p,p,y,y) ICHR=1;IPLTL=100;NPLT=2;TSTSWP=-1 PATCH(CONT,CONTUR,1,1,1,NY,1,NZ,1,1) PLOT(CONT,R1,0.0,10.0);PLOT(CONT,W1,0.0,10.0) PLOT(CONT,W2,0.0,10.0) LIBREF=372 VARMIN(R1)=1E-15; VARMIN(R2)=1E-15 LSWEEP=500