For accurate prediction of turbulent flow in separated and reattaching regions, it is necessary to incorporate second- and third-moments of turbulent fluctuations. The turbulence energy and the energy dissipation rate equations are modified by incorporating second-order closure. Moreover, a transport equation model for the third-order closure with a near-wall correction is developed for the evaluation of the diffusive action of the second-moments. After comparison of the results with experimental data, it is concluded that the models developed here improve the prediction of triple-velocity correlations in both recirculating and redeveloping flow regions.


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    Title :

    Turbulence energy and diffusion transport of third-moments in a separating and reattaching flow


    Contributors:
    Amano, R. S. (author) / Chai, J. C. (author) / Goel, P. (author)

    Published in:

    Publication date :

    1988-03-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English