Experimental and numerical investigations were carried out aiming at the reduction of the total aerodynamic drag of a generic car model by means of active separation control. For two different configurations separate control approaches were tested, taking into account the differences in the wake topology of the models. The targeted excitation of the respective dominant structures in the wake region leads to their effective attenuation. The experiments as well as the numerical simulations showed that a weakening of a spanwise vortex in the separated flow over the slant is strongly coupled with the occurrence of stronger streamwise vortices along the slant edges and vice versa.


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    Titel :

    Active drag control for a generic car model


    Weitere Titelangaben:

    Aktive Luftwiderstandsregelung für ein generisches Automobilmodell


    Beteiligte:
    Brunn, A. (Autor:in) / Wassen, E. (Autor:in) / Sperber, D. (Autor:in) / Nitsche, W. (Autor:in) / Thiele, F. (Autor:in)


    Erscheinungsdatum :

    2007


    Format / Umfang :

    13 Seiten, 12 Bilder, 11 Quellen





    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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