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|
/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: v1912 |
| \\ / A nd | Website: www.openfoam.com |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
location "constant";
object radiationProperties;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
radiation on;
radiationModel viewFactor;
solarLoadCoeffs
{
// Sun direction ray model. Give the sunDirection or calculated using the
// (solar calculator)
sunDirectionModel sunDirTracking; //sunDirConstant
// Time interval to update Sun position (sec)
sunTrackingUpdateInterval 800;
//sunDirection (1 0 -1);
localStandardMeridian 9; // GMT offset (hours)
startDay 204; // day of the year
startTime 15; // time of the day (hours decimal)
longitude 139.74; // longitude (degrees)
latitude 35.658; // latitude (degrees)
// Grid orientation
gridUp (0 0 1);
gridEast (1 0 0);
// Energy spectrum
spectralDistribution (2 1);
// Solar model:
// sunLoadConstant-sunLoadFairWeatherConditions-SunLoadTheoreticalMaximum;
sunLoadModel sunLoadFairWeatherConditions;
// Sun load constant model
//directSolarRad 500; // [w/m2]
//diffuseSolarRad 40; // [w/m2]
// Fair Weather Conditions Model Constants.
// Calculate beta from the Solar calculator or input
A 500; // Apparent solar irradiation at air mass m = 0
B 0.142; // Atmospheric extinction coefficient
//beta 45; // Solar altitude (in degrees) above the horizontal
// Theoretical maximum model constants
Setrn 10;
SunPrime 1;
// Ground reflectivity
groundReflectivity 0.2;
// Solar diffusivity constants
C 0.058; // Model constant
// Radiative flux coupling flags
solidCoupled true; //Couple through qr the solid regions (default true)
wallCoupled false; //Couple through qr wall patches (default false)
// Reflecting rays
useReflectedRays true;
reflecting
{
nPhi 10;
nTheta 10;
}
absorptionEmissionModel none;
scatterModel none;
sootModel none;
}
viewFactorCoeffs
{
smoothing true; //Smooth view factor matrix (use when in a close surface
//to force Sum(Fij = 1)
constantEmissivity true; //constant emissivity on surfaces.
nBands 2;
useSolarLoad true;
}
// Number of flow iterations per radiation iteration
solverFreq 1;
absorptionEmissionModel none;
scatterModel none;
sootModel none;
// ************************************************************************* //
|
