To achieve a reduction in the exterior noise of a small vehicle at an early stage of design, we made an attempt to estimate the pass-by noise of the vehicle (ISO R-362 test standards) from measurements of the noise of the engine and exhaust system units. Accordingly, the factors producing exterior vehicle noise, viz., operating condition, noise source and noise propagation were considered, and it was found that the frequency spectrum of the noise source should be taken into account to more precisely estimate noise level and noise spectrum, since the characteristics of noise propagation depend on frequency.


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    Title :

    On factors of noise emitted by a small vehicle and noise level simulation of pass-by test


    Additional title:

    Geraeuschfaktoren eines Kleinwagens und Geraeuschpegelsimulation im Vorbeifahrversuch


    Contributors:
    Masuko, K. (author) / Abe, T. (author)

    Published in:

    Publication date :

    1977


    Size :

    12 Seiten, 24 Bilder, 2 Tabellen, 2 Quellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




    On factors of noise emitted by a small vehicle and noise level simulation of pass-by test

    Masuko,K. / Abe,T. / Nissan Motor,JP | Automotive engineering | 1977



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