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k-e OR k-w for near wall ??

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Old   December 17, 2000, 14:01
Default k-e OR k-w for near wall ??
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kuttichthan
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hi .. can anybody suggest a suitable turbulence model to predict nearwall turbulence in a compressible flow field(without wall function approach)...

I have tried Chien's, L-S, Nagano-Tagawa, and Biswas-Fukuyama low Re k-e based models. But i have read that k-w(wilcox) model is suitable for nearwall turbulence. If anybody used both k-e & k-w ..plz advice which is better...

Thanks Kuttichathan
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Old   December 17, 2000, 14:38
Default Re: k-e OR k-w for near wall ??
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John C. Chien
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(1). You may want to read the 540-page book by David Wilcox, "Turbulence Modeling for CFD", which is available at his website. (2). It is well-known that the two-equation k-epsilon model has some problems with the epsilon-equation. But it has been widely used and modified for specific applications.
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Old   December 18, 2000, 11:23
Default Re: k-e OR k-w for near wall ??
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Chidu
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are you here to create trouble, kuttichathan

chidu...
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