|September 1, 2003, 06:44||
I am running a conparison between Star and CFX 5 for modelling dispersion of H2S gas leak.
I am a very confused about the results in Star. The source area is 1700 m2 and the mass flow of H2S is 0.007 kg/s. Vind speed is 2 m/s.
The model and mesh is build so that it is the same for both Star and CFX.
My question is what unit for the concentration of scalar in Star ?
How can I convert the concentration to ppm ?
I know the concentration is given as a mass fraction. But when doing a comparison I get 2.2e-06 kg/m3 (in CFX) at the monitor point, but a mass fraction of 0.08 in Star at the same point.
Any hints is welcome !
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