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Old   February 16, 2006, 09:46
Default K-omega model
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Q
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I want to use this k-omega model. I would like how to calculate omega from the values of epislon and k since I am have to intialize the flow field.

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Old   February 16, 2006, 10:19
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Emanuele
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omega=[k^(1/2)]/[C^(1/4)*l] where C is a costant and it's value is generally 0.09; l is the turbulent lenght scale and is value is 0.07*L (for internal flow) where L is the geometric lenght scale (diameter for a circular tube, hydraulic dyameter for non circular tube, ecc). Hope this helps Emanuele
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Old   February 16, 2006, 10:56
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From did you give me this formula
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Old   February 16, 2006, 10:59
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Emanuele
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From Fluent 6.2 manual (section 7.2)

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Old   February 16, 2006, 11:07
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thank u
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Old   February 16, 2006, 11:44
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How can I calculate epsilon from k-omega turbulence model

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