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Sky emissivity

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Old   September 26, 2012, 09:36
Default Sky emissivity
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hayder
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Hi
I wonder how can I set the sky emissivity in solar radiation simulation with star ccm+.
Thanks in advance
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Old   September 27, 2012, 02:33
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siamak rahimi ardkapan
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Have you seen the tutorial of solar collector?
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Old   September 27, 2012, 05:24
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The help file of star ccm+ does not contain sky emissivity ,In solar collector tutorial they set the emissivity for many parts but they did not show which one is for the sky , by the way sky emissivity has the value of around 0.74 .
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