The theoretical basis for an analytical model developed to predict the interior noise levels of high-speed propeller-driven airplanes is presented. Particular emphasis is given to modeling the transmission of discrete tones through a fuselage element into a cavity, estimates for the mean and standard deviation of the acoustic power flow, the coupling between a non-homogeneous excitation and the fuselage vibration response, and the prediction of maximum interior noise levels. The model allows for convenient examination of the various roles of the excitation and fuselage structural characteristics on the fuselage vibration response and the interior noise levels, as is required for the design of model or prototype noise control validation tests.


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    Titel :

    Prediction of the interior noise levels of high-speed propeller-driven aircraft


    Beteiligte:
    Rennison, D. C. (Autor:in) / Wilby, J. F. (Autor:in) / Wilby, E. G. (Autor:in)

    Kongress:

    Aeroacoustics Conference ; 1980 ; Hartford, CT


    Erscheinungsdatum :

    01.06.1980


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :


    Prediction of the interior noise levels of high-speed propeller-driven aircraft

    Rennison, D.C. / Wilby, J.F. / Wilby, E.G. | Tema Archiv | 1980



    Interior noise control prediction study for high-speed propeller-driven aircraft

    Rennison, D. C. / Wilby, J. F. / Marsh, A. H. et al. | NTRS | 1979


    Interior noise levels of two propeller driven light aircraft

    Catherines, J. J. / Mayes, W. H. | NTRS | 1975


    Interior noise levels of two propeller-driven light aircraft

    Catherines, J. J. / Mayes, W. H. | NTRS | 1975