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combustion related transportProperties.file in openfoam v6.0 |
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September 26, 2018, 08:11 |
combustion related transportProperties.file in openfoam v6.0
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TaoChen
Join Date: Sep 2018
Posts: 11
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Hello,guys:
I am working on some numerical simulation about combustion using openfoam. In the combustion/tutorials/reactingFoam/RAS/SandiaD_LTS/constant/thermo.compressibleGasGRI file, for each species there are two transport paremeters: OH { specie { molWeight 17.00737; } thermodynamics { Tlow 200; Thigh 3500; Tcommon 1000; highCpCoeffs ( 3.09288767 0.000548429716 1.26505228e-07 -8.79461556e-11 1.17412376e-14 3858.657 4.4766961 ); lowCpCoeffs ( 3.99201543 -0.00240131752 4.61793841e-06 -3.88113333e-09 1.3641147e-12 3615.08056 -0.103925458 ); } transport { As 1.512e-06; Ts 120; } elements { O 1; H 1; } } I am confused by the meanings of transport parameters As and Ts Are these parameters used in the sutherland's law for calculation of viscosity. But the there parameters I got through Google should be 1.458E-06 and 110.4, which are different with that in the openfoam file. Is there anyone could help me comprehend this issue? Are they same or different? Thanks very much!! |
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