Estimation of Eddy Viscositytag Ratio -- CFD Online Discussion Forums

December 24, 2009, 05:38	Estimation of Eddy Viscositytag Ratio	#1
PCFD New Member Join Date: May 2009 Posts: 24 Rep Power: 16	Hi, 1. can somebody refer me to a paper/book which explains how to determine the eddy viscosity ratio at the inlet of a turbomachinery. 2. In my stage (centrifugal compressor), I reach max. Eddy Viscosity Ratios ~ 4000 which seems to me a lot to me. Nevertheless, the physical data which can be compared with experiments look quite promising. Do you have some good advise how I can critically ensure that the turbulence quantities (eddy viscosity ratio!, ...) are in a plausibel range....

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