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http://dx.doi.org/10.5139/JKSAS.2012.40.5.375

Comparison between Wilcox к - ω turbulence models for supersonic flows  

Kim, Min-Ha (부산대학교 항공우주공학과 대학원)
Parent, Bernard (부산대학교 항공우주공학과)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.40, no.5, 2012 , pp. 375-384 More about this Journal
Abstract
This paper presents numerical results comparing the performance of the 2008 Wilcox $\mathcal{k}-{\omega}$ turbulence model to the one of the 1988 Wilcox $\mathcal{k}-{\omega}$ model for supersonic flows. A comparison with experimental data is offered for a shock wave/turbulent boundary layer interaction case and two ramp injector mixing cases. Furthermore, a comparison is performed with empirical correlations on the basis of skin friction for flow over a flat plate and shear layer growth for a free shear layer. It is found that the maximum injectant mass fraction of some ramp injector cases is better predicted using the 1988 Wilcox model. On the other hand, the 2008 model performs better in simulating shock-boundary layer cases.
Keywords
1988 Wilcox $\mathcal{k}-{\omega}$ Turbulent Model; 2008 Wilcox $\mathcal{k}-{\omega}$ Turbulent Model; Shockwave Boundary Layer Interaction; Turbulence Compressibility Correction; Compressible Shear Layer; Ramp Injector Mixing;
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