Noise mitigation strategies involving both noise reduction at the source of transportation noise and at the receiver of transportation noise are reviewed. The following major sources of noise within a motor vehicle were considered: engine, intake, exhaust, cooling fan, transmission, and tire noise. Current research intended to address methods of reducing noise for each of these sources is discussed. It was found that vehicle manufacturer efforts in the U.S. to reduce vehicle noise is currently being motivated by marketplace demands for quiet vehicles. In addition to the potential noise reduction from specific components of the vehicle, it was found that the type of roadway pavement can have a significant effect on tire/road noise.


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    Title :

    Noise Mitigation Strategies (Final Report, September 1993)


    Contributors:
    L. Herman (author) / W. Bowlby (author)

    Publication date :

    1993


    Size :

    46 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English