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Turbulen viscosity

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Old   August 21, 2008, 17:54
Default Turbulen viscosity
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pankaj saha
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Can anyone tell me , What is the upper limit of ratio =Turbulent viscosity/molecular viscosity, in LES simulation of channel flow?

i know, in RANS simulation it is of 20. dont know in LES.

any idea?

Thanks in advamnce.

with best regards, pankaj

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