A drive-by exterior noise program was conducted to determine the contribution of each car noise source-engine/exhaust, fan, and tire/roadway-to the total exterior drive-by noise of a passenger vehicle. A 1970 high- and low-power sedan and a 1970 high- and low-power sporty compact were utilized in the test sequence.Octave-band and dBA sound levels were recorded with the microphone positioned 25 ft away for various modes of vehicle operation at cruise and wide-open-throttle conditions.Results indicate for cruise (road-load) conditions that:


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    Title :

    Noise Source Definition - Exterior Passenger Vehicle Noise


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    1972 Automotive Engineering Congress and Exposition ; 1972



    Publication date :

    1972-02-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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