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Prediction of complex flow fields using higher-order turbulent closures

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  • Gatski, Thomas B.

Abstract

The tool of choice in computing turbulent flows of engineering interest is the Reynolds averaged Navier-Stokes equations for the mean motion, coupled with a closure scheme for the unknown higher-order turbulent correlations. The focus of this paper is to discuss some recent advances in turbulent closure schemes and their application to a weakly compressible flow. Specifically highlighted are the development and utilization of formulations for obtaining explicit algebraic stress and dissipation rate models. Results are presented for the flow over a two-dimensional single element airfoil as well as the downstream wake flow using the explicit algebraic stress model with a comparison to both experiment and a standard isotropic eddy viscosity model.

Suggested Citation

  • Gatski, Thomas B., 1997. "Prediction of complex flow fields using higher-order turbulent closures," Mathematics and Computers in Simulation (MATCOM), Elsevier, vol. 44(4), pages 331-345.
    • Handle: RePEc:eee:matcom:v:44:y:1997:i:4:p:331-345
    DOI: 10.1016/S0378-4754(97)00063-3
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