Comparative aerodynamic force measurements on a full scale notchback type vehicle have been performed between six European companies operating prominent full scale automotive wind tunnel facilities. The results obtained with 8 different vehicle configurations show a remarkably good correlation between the drag coefficients measured in the various wind tunnels. Pressure distributions also show an acceptable agreement. The comparison of front axle lift measurements revealed differences between the various wind tunnels; these differences are partly explainable. Six component measurements also show a satisfactory correlation between the various wind tunnels except where lift does contribute to the forces or moments. Suggestions to extend these correlation tests are presented.


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    Title :

    Comparison Tests Between Major European Automotive Wind Tunnels


    Additional title:

    Sae Technical Papers


    Contributors:
    Cogotti, A. (author) / Garrone, A. (author) / Kuhn, A. (author) / Carr, G. W. (author) / Nilsson, L. U. (author) / Buchheim, R. (author) / Unger, R. (author)

    Conference:

    1980 Automotive Engineering Congress and Exposition ; 1980



    Publication date :

    1980-02-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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