This paper describes a study of engine induced structural-borne noise in a single engine light aircraft. Cabin noise and fuselage vibration levels were recorded during ground tests for engine-attached, engine-detached, interior-installed, and interior-removed configurations. By comparisons of the data, engine induced structure-borne noise is shown to be a primary source of cabin noise. Corresponding fuselage vibration levels were quite high with energy concentrated mainly in the lower frequencies. A measure of the noise control effectiveness of the interior trim was also obtained.


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    Title :

    Engine Induced Structural-Borne Noise in a General Aviation Aircraft


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    Business Aircraft Meeting and Exposition ; 1979



    Publication date :

    1979-02-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




    Engine-induced structural-borne noise in a general aviation aircraft

    Unruh, J. F. / Scheidt, D. C. / Pomerening, D. J. | NTRS | 1979



    Engine-Induced Structural-Borne Noise in a General Aviation Aircraft

    J. F. Unruh / D. C. Scheidt / D. J. Pomerening | NTIS | 1979



    Engine induced structural-borne nosie in a general aviation aircraft

    Unruh, J.F. / Scheidt, O.C. | Tema Archive | 1979