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Old   October 4, 2010, 04:26
Red face Pressure inlet problem
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Hi guys,

I face with a problem when I use pressure inlet boundary conditions.
I simulate a reactor with compressible reacting flow. The calculation converge quite fast and the residuals are really low.
The only problem, that the pressure on the pressure inlet boundary, where I set the gauge pressure, is not the same I set at the beginning.
It seems Fluent calculates due to: p=pg+1/2*rho*g
Could you help me out, how to set really homogenous pressure on this boundary?
Thank you very much in advance.
Bests.
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Old   October 4, 2010, 17:27
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I'm a fluent newbie but you maybe have 1 atm as operating pressure? The pressure shown at the inlet on a vector plot is the operting pressure + gaguge pressure at inlet. I think so atleast.
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Old   October 5, 2010, 04:51
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I have figured out what was the problem. I just made a silly error. Thx
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