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Old   October 23, 2003, 08:59
Default supersonic flowws
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Which are the problems with modelling a supersonic flow with K-epsilon model? Can it give realistic results or completely wrong ones? Thanks.
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Old   October 23, 2003, 09:37
Default Re: supersonic flowws
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I modeled underexpanded free jets with Rampant (now Fluent) some years ago with a lot shock cells and boundary layers and compared the veloctiy distribution with LDA measurements. Results have been okay with k-eps and RNG. Also Sarkars modification for compressible flows should be applied in turb. models. Ulli
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