When vehicle exhaust emission tests or vehicle fuel consumption measurements are performed on a chassis dynamometer, the dynamometer is usually adjusted to simulate road experience of the vehicle. The purpose of this study is to develop equations to predict the dynamometer adjustment forces appropriate to simulate the on-road experiences of light duty vehicles. To accomplish this, equations of road load versus speed were obtained from a diverse class of light duty vehicles. These data were then converted to dynamometer adjustment forces appropriate to simulate the on-road experience of a vehicle. Conclusion: further effort should be made to develop road load prediction systems based on vehicle frontal area and, if necessary, estimates of the vehicle aerodynamic drag coefficient.


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    Titel :

    Light Duty Vehicle Road Load Determination


    Beteiligte:
    G. D. Thompson (Autor:in)

    Erscheinungsdatum :

    1976


    Format / Umfang :

    58 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch