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Old   February 25, 2004, 05:59
Default Humid Air
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Wim Uyttenhove
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For my final year these about HVAC in monumental churches, I want to model humid air in Fluent (without saturation). When I put the species model on (without reactions), I use the mixture template. Is this OK? Do I have to model a new mixture and how? And how can I define the mass fractions of water-vapor in the air in my boundary conditions?

Can anybody help me? Tnx in advance!
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Old   March 3, 2004, 17:14
Default Re: Humid Air
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venu
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First you have to calculate the mass fraction of water in air ,as you know the humidity and input that value in the boundary condition pannel at h20 and for oxigen you can use 0.23 as mass fraction, remaining is nitrogen so you dont need to worry about that.
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Old   October 25, 2009, 11:43
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denise is on a distinguished road
Hi,
i am doing approximately same thing with you..how did you solve your problem?
and how about mass fraction of H2O? is it have a gradient?
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Originally Posted by Wim Uyttenhove
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For my final year these about HVAC in monumental churches, I want to model humid air in Fluent (without saturation). When I put the species model on (without reactions), I use the mixture template. Is this OK? Do I have to model a new mixture and how? And how can I define the mass fractions of water-vapor in the air in my boundary conditions?

Can anybody help me? Tnx in advance!
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