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validity of SST k-w model

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Old   December 13, 2007, 14:09
Default validity of SST k-w model
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Is the SST k-w model valid only for incompressible flows? Thank you.
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Old   December 14, 2007, 10:25
Default Re: validity of SST k-w model
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Old   December 14, 2007, 13:42
Default Re: validity of SST k-w model
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There are compressible versions of k-w around. You'll have to search for them, as I don't have any references off the top of my head.
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Old   December 20, 2007, 17:39
Default Re: validity of SST k-w model
James L Brown
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Topic is covered in:

Turbulence Model Validation for Hypersonic Flows

J. Brown, NASA Ames Research Center, Moffett Field, CA AIAA-2002-3308 8th AIAA/ASME Joint Thermophysics and Heat Transfer Conference, St. Louis, Missouri, June 24-26, 2002

You need not couple the model with the mean flow eqs which can speed up the solver by quite a bit. SST model tends to give slightly high heat transfer (10 to 15%) but is quite robust. Remember to validate your implementation against expt. and also Van Driest II.
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