This paper discusses the concepts and feasibility of using active attenuators for the control of low frequency vehicle exhaust noise. Particular emphasis is placed on the development of a fast adaption system which can rapidly adjust to the changing sound field generated at the exhaust outlet. The paper illustrates the degree of noise reduction achieved using a prototype active attenuator fitted to a large (320 hp) diesel engine both on the test bed and when fitted to an operating vehicle.


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    Title :

    Development of a prototype exhaust noise cancellation system for commercial vehicle application


    Additional title:

    Entwicklung des Prototypes eines Systems zur Auspufflaermunterdrueckung fuer Nutzfahrzeuge


    Contributors:

    Published in:

    Publication date :

    1986


    Size :

    5 Seiten, 9 Bilder, 3 Quellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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    Nelson,P.N. / Trinder,M.J. / FIOA,GB et al. | Automotive engineering | 1986



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