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outlet boundary condition for compressor modeling

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Old   August 6, 2009, 09:41
Default outlet boundary condition for compressor modeling
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hi friends, i have several questions.
i want to solve a 3D blade of a compressor with LES of FLUENT.
boundary condition I useed is "VELOCITY INLET" for inlet . is it correct?
for the outlet, which bounadry condition I must use? is "PRESSURE OUTLET" correct?
for using "PRESSURE OUTLET", is minimum distance from outlet plane and trailing edge necessary? and how "gauge pressure" set?

i am so thankful for your attention.
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