Cfx centrifugal analysis impeller hub diameter -- CFD Online Discussion Forums

April 3, 2017, 15:59	Cfx centrifugal analysis impeller hub diameter	#1
mkal Member Join Date: Oct 2016 Posts: 31 Rep Power: 9	Hello to everyone, I am trying to do a centrifugal fan analysis with Cfx.Impeller mesh in TurboGrid. As I change the impeller hub diameter as in the first picture, the results are very different. The result is low when I make inlet pipe hub diameter as in the second picture. This hub diameter is determined according to what. I am making mistakes. Please help me. http://imageshack.com/a/img923/7953/GK4P4D.png http://imageshack.com/a/img923/7332/pzLsjg.png

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