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how to set the value of density?

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Old   November 28, 2014, 10:37
Default how to set the value of density?
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I am modeling natural convection ,how to set the value of density of the ideal-gas?rou.png. Thank you very much!
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Old   November 28, 2014, 11:25
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Obviously with ideal gas law (PV=nRT) density is calculated (n/V*PM=density=P/RT*PM) and it isn't an input.
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