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-   -   Why gas pressure keep constant when being heated (http://www.cfd-online.com/Forums/main/15404-why-gas-pressure-keep-constant-when-being-heated.html)

Hao July 9, 2008 03:28

Why gas pressure keep constant when being heated
 
I doing a simulation in a 2D rectangular domain. I set all the four boudaries "Wall". The volume is full of air. And I heat it up at one wall (bottom). I use "ideal gas law" here. One thing i just cannot understand: the pressure unchange. The CFD code i used is CFD-ACE. Has anyone happen to meet this kind of problem?


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