In order to obtain correction formulas applicable to aerodynamic force measurements in the JARI full-scale wind tunnel, correlation tests were carried in 1983 between the MIRA and JARI full-scale wind tunnel, with three different types of vehicle. The comparison of results, especially for zero-yaw-angle drag coefficient, shows that JARI measures, on the average, some 2.5 % above MIRA. The next year, in 1984, we investigated the causes of the difference in drag measurement between the two wind tunnels, and found that the most significant cause is a horizontal buoyancy due to static pressure gradient in the JARI test section which might be attributable to distortion in parts of the walls of the test section over many years.


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    Title :

    Aerodynamic-Correlation Tests Between the MIRA and JARI Wind Tunnels


    Additional title:

    Sae Technical Papers


    Contributors:
    Sakai, Hideo (author) / Muto, Shinri (author)

    Conference:

    SAE International Congress and Exposition ; 1986



    Publication date :

    1986-03-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




    Aerodynamic-correlation tests between the MIRA and JARI wind tunnels

    Muto,S. / Sakai,H. / Japan Automobile Research Inst.,JARI,JP | Automotive engineering | 1986



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    Carr,G.W. / MIRA Mot.Inst.Res.Assoc.,GB | Automotive engineering | 1982


    MIRA wind tunnels

    Engineering Index Backfile | 1960