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Meaning of Backflow Turbulent Viscosity Ratio?

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Old   February 4, 2008, 01:36
Default Meaning of Backflow Turbulent Viscosity Ratio?
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Remy
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hi friends,

i hv this problem of setting the right value of Backflow Turbulent Viscosity Ratio in Fluent, cos i dun really understand its significance. can anyone enlighten me what this ratio composes of? and how can i arrive at a suitable value for my application?

Thanks in advance

Remy
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Old   February 4, 2008, 10:19
Default Re: Meaning of Backflow Turbulent Viscosity Ratio?
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jesse
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backflow-potentially reversed flow at exit, Turbulent viscosity ratio:5%-10% is normal,for high turbulence flow, about 10% is ok;
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