This paper outlines the techniques used to install both a full scale and a half scale tractor-trailer model in the 9x9 meter National Research Council of Canada wind tunnel in Ottawa, Canada. The objectives were to measure the cooling drag of an active cooling system and to investigate the aerodynamic testing limits of long, yawed models inside a solid wall wind tunnel. The tunnel interference problem is discussed as it pertains to the upstream boundary, test section floor, downstream boundary, ceiling and side walls and tractor-trailer surface pressure measurements. A potential solution to the problem, however, is the subject of a follow-up paper.


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    Title :

    A full scale class 8 conventional tractor-trailer in the 9x9 m wind tunnel


    Additional title:

    Ein herkoemmlicher Sattelzug der Klasse 8 in natuerlicher Groesse im 9x9 m Windkanal


    Contributors:
    Schaub, U.W. (author) / Nishimura, Y. (author) / Olson, M.E. (author) / Creswick, G.E. (author)

    Published in:

    SAE-Papers ; Nov ; 1-23


    Publication date :

    1988


    Size :

    23 Seiten, 27 Bilder, 11 Quellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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