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Old   August 15, 2007, 13:19
Default Question about Two-Sided Walls
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I was wondering how fluent handles heat transfer at two sided walls where fluid meets solid. I can't seem to find anything about it in the manual.

Does it use some kind of correlation to find a heat transfer coefficient from the Nusselt number or does it assume the wall temperature is equal to the temperature at the very edge of the fluid? Something else?

I have no idea how this condition works, which makes it difficult to understand if there are limitations associated with using it.
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Old   August 16, 2007, 13:50
Default Re: Question about Two-Sided Walls
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It will calculate a heat transfer coefficient given the flow characteristics, then it will solve the convective heat transfer equation.

Which coorelation it uses to solve for h; i don't know.
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Old   August 16, 2007, 17:34
Default Re: Question about Two-Sided Walls
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Thank you for the reply. I has assumed it used something similar to the Dittus-Boelter equation but was unsure.
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