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calculating pressure ratio & efficiency of a centrifugal compressor

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May 21, 2019, 09:59	calculating pressure ratio & efficiency of a centrifugal compressor	#1
mohamadlebron New Member mohamadbaghdadi Join Date: Jun 2017 Posts: 2 Rep Power: 0	Hi I've been modeled a centrifugal compressor with pressure ratio = 6.1 in Vista CCD but after running, in post processing i can't reach to pressure ratio 6.1!! are there any special expressions for calculating a correct pressure ratio & efficiency in CFX ?

May 21, 2019, 18:33		#2
ghorrocks Super Moderator Glenn Horrocks Join Date: Mar 2009 Location: Sydney, Australia Posts: 17,854 Rep Power: 144	Here are some basics: https://www.cfd-online.com/Wiki/Ansy..._inaccurate.3F __________________ Note: I do not answer CFD questions by PM. CFD questions should be posted on the forum.

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centrifugal compressor, outlet pressure, pressure ratio

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