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Turbulent(Eddy) viscosity

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Old   February 1, 2016, 04:32
Default Turbulent(Eddy) viscosity
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Jongmin Choi
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I need to specify turbulent viscosity ratio() for using k-epsilon model.

I could know the dynamic viscosity from the information of the material except for eddy viscosity.

I found that it depends on the geometry and flow. Could you let me know how I can determined the Turbulent(eddy) viscosity for finding out turbulent viscosity ratio? Is there any equation for determining the turbulent(eddy) viscosity????
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