/*--------------------------------*- C++ -*----------------------------------*\ | ========= | | | \\ / F ield | OpenFOAM: The Open Source CFD Toolbox | | \\ / O peration | Version: dev | | \\ / A nd | Web: www.OpenFOAM.com | | \\/ M anipulation | | \*---------------------------------------------------------------------------*/ FoamFile { version 2.0; format ascii; class dictionary; location "constant"; object radiationProperties; } // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // radiation on; radiationModel fvDOM; fvDOMCoeffs { nPhi 4; // azimuthal angles in PI/2 on X-Y.(from Y to X) nTheta 0; // polar angles in PI (from Z to X-Y plane) convergence 1e-2; // convergence criteria for radiation iteration maxIter 4; // maximum number of iterations cacheDiv true; // cache the div of the RTE equation. // NOTE: Caching div is "only" accurate if the upwind scheme is used in // div(Ji,Ii_h) } // Number of flow iterations per radiation iteration solverFreq 10; absorptionEmissionModel greyMeanAbsorptionEmission; constantAbsorptionEmissionCoeffs { absorptivity absorptivity [ m^-1 ] 0.01; emissivity emissivity [ m^-1 ] 0.01; E E [ kg m^-1 s^-3 ] 0; } greyMeanAbsorptionEmissionCoeffs { lookUpTableFileName none; EhrrCoeff 0.0; CO2 { Tcommon 200; //Common Temp invTemp true; //Is the polynomio using inverse temperature. Tlow 200; //Low Temp Thigh 2500; //High Temp loTcoeffs //coefss for T < Tcommon ( 0 // a0 + 0 // a1*T + 0 // a2*T^(+/-)2 + 0 // a3*T^(+/-)3 + 0 // a4*T^(+/-)4 + 0 // a5*T^(+/-)5 + ); hiTcoeffs //coefss for T > Tcommon ( 18.741 -121.31e3 273.5e6 -194.05e9 56.31e12 -5.8169e15 ); } H2O { Tcommon 200; invTemp true; Tlow 200; Thigh 2500; loTcoeffs ( 0 0 0 0 0 0 ); hiTcoeffs ( -0.23093 -1.12390e3 9.4153e6 -2.99885e9 0.51382e12 -1.868e10 ); } CH4 { Tcommon 200; Tlow 200; Thigh 2500; invTemp false; loTcoeffs ( 0 0 0 0 0 0 ); hiTcoeffs ( 6.6334 -0.0035686 1.6682e-8 2.5611e-10 -2.6558e-14 0 ); } O2 { Tcommon 200; invTemp true; Tlow 200; Thigh 2500; loTcoeffs ( 0 0 0 0 0 0 ); hiTcoeffs ( 0.1 0 0 0 0 0 ); } N2 { Tcommon 200; invTemp true; Tlow 200; Thigh 2500; loTcoeffs ( 0 0 0 0 0 0 ); hiTcoeffs ( 0.1 0 0 0 0 0 ); } } scatterModel none; sootModel none;//mixtureFractionSoot; mixtureFractionSootCoeffs { //CH4 + 2O2 + 7.5N2 = CO2 + 2H2O + 7.5N2 + nuSoot soot nuSoot 0.055; Wsoot 12; } transmissivityModel none; // ************************************************************************* //