Tests were conducted with two tractor-trailers on an 8-mile track to determine effects of tire parameters on fuel economy. Four-tire samples of tires used on the trucks were laboratory tested to determine rolling resistance values. Laboratory data were corrected to fuel economy test conditions and compared with tire rolling resistance data extracted mathematically from fuel economy tests. Good agreement was obtained - a correlation factor of 0.957. The factor relating comparative change in measured laboratory tire rolling resistance to change in truck fuel economy was determined for selected tires. A method is presented for converting laboratory rolling resistance data to road conditions for use in truck performance calculations.


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    Title :

    Correlation of Truck Tire Rolling Resistance as Derived From Fuel Economy and Laboratory Tests


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    SAE International Truck and Bus Meeting and Exposition ; 1982



    Publication date :

    1982-02-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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