In order to determine the best way to simulate a road in the full-scale climatic wind tunnel of the Voklswagenwerk AG, a series of comparative tests between road and tunnel have been carried out. In general, a good correlation was achieved when a rigid ground plane was used for road simulation. Only a small margin for improvement by boundary-layer control remains. From measurements reported in the literature, it can be seen that an effective reduction of the boundary-layer displacement thickness of 60% can be achieved with single-slot suction. Nevertheless, this would result in a hardly noticeable improvement of test-data correlation for cars with standard ground clearance. Therefore, it was decided not to install a boundary-layer suction in the wind tunnel of Volkswagenwerk AG.


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    Titel :

    The Wind Tunnel's Ground Plane Boundary Layer - Its Interference with the Flow Underneath Cars


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Schwartz, G. (Autor:in) / Janssen, L. J. (Autor:in) / Hucho, W. H. (Autor:in)

    Kongress:

    1975 Automotive Engineering Congress and Exposition ; 1975



    Erscheinungsdatum :

    1975-02-01




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch