The pressure in Fluent
Hi,
What does the pressure mean in Fluent? Is it the same to P in the governing equation in the help files? I simulated a case of water flow though a vertical tube, and the inlet and outlet boudaries are set to pressure-, but when the bottom inlet pressure is a lilttle higher(for example, 1Pa) than the top outlet, the flow direction will be upward. Because in my case I define the gravity, I am afraid of there are some problem in Fluent? Could anybody give any ideas about this? Best Regards, B. ZHAO |
Re: The pressure in Fluent
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Canīt be! look at the flow vectors in /display panel. If wrong, youīve set gravity in wrong direction. Normally gravity vector is same direction as natural (top->buttom), f.e ansys itīs like acceleration field (inversed direction) hope i could help Optixxx |
Re: The pressure in Fluent
HI, Optixxx:
Thanks a lot for your help! Now I know what's wrong with my case, I did not specify the operating pressure. It is the key point. I am very appreciate to your response. B. Zhao |
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