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Backflow Turbulence Intensity & viscosity ratio?

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Old   March 7, 2008, 05:50
Default Backflow Turbulence Intensity & viscosity ratio?
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Can anyone help to solve my doubt on these two parameters? What typical values should i use if i wanted to simulate a flow through a high speed radial impeller, with ambient conditions at the inlet (laminar) and viscosity ratio of 100 times that of laminar at the outlet?
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