A new phenomenological turbulence transition model is proposed. The model is based on the calculation of the pre-transitional u.sup.'v.sup.'a3/4 due to mean flow shear. This is used for analysis on the complex flow patterns over three-dimensional geometries. The tested 3D cases are the 6:1 prolate-spheroid under three flow conditions and the transonic DLR-F5 wing test case. The obtained results are compared with the low-Reynolds turbulence model of Spalart-Allmaras and the empirical transition model, [gamma]-R.sub.e[theta]. These show that the developed transition model is able to capture the flow turbulence transition features experimentally recorded.


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    Title :

    Analysis of transitional flow in 3D geometries using a novel phenomenological model




    Publication date :

    2015




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English



    Classification :

    BKL:    55.50 Luftfahrzeugtechnik / 55.60 Raumfahrttechnik