The vibration of the external surfaces of the engine is sometimes a major cause of noise emissions from a Detroit Diesel 8V-71, two cycle diesel engine. Since major engine modifications were beyond the scope of this project, the reduction in engine noise was obtained through shielding. One shielding technique employed close-fitting acoustical covers mounted to the engine itself. Another employed a partial engine enclosure mounted to the chassis. With both shielding techniques, the proper acoustical lining was found to be important as well as sealing. A Detailed development of these shields is given.


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    Titel :

    Truck Noise IV-D: The Reduction of Engine Noise on Heavy Duty Diesel Trucks


    Beteiligte:
    J. T. Shrader (Autor:in)

    Erscheinungsdatum :

    1975


    Format / Umfang :

    127 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch




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    Noise Reduction of Diesel Engine for Heavy Duty Vehicles

    Arai, Susumu / Miura, Yasuo | SAE Technical Papers | 1989