Aerodynamic drag tests were performed on a tractor-trailer combination using the coast-down method on a smooth, nearly level runway. The tests included an investigation of drag reduction obtained with add-on devices that are commercially available or under development. The tests covered tractor-trailer speeds ranging from approximately 35 to 65 miles per hour and included fuel consumption measurements. The study shows the effects of the various add-on devices on the fuel consumption. Results from a simulation of fuel consumption tests using a computer program are also included.


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    Title :

    Study of aerodynamic drag reduction on a full-scale tractor-trailer


    Additional title:

    Studie der Verminderung des Luftwiderstandes bei Zugmaschine-Anhaenger-Garnituren


    Contributors:
    Steers, L. (author) / Montoya, L. (author)

    Published in:

    Publication date :

    1976


    Size :

    57 Seiten


    Type of media :

    Report


    Type of material :

    Print


    Language :

    English




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