Laboratory investigation of sound transmission through panels and the use of modern data analysis techniques applied to actual aircraft is used to determine methods to reduce general aviation interior noise. The experimental noise reduction characteristics of stiffened flat and curved panels with damping treatment are discussed. The experimental results of double-wall panels used in the general aviation industry are given. The effects of skin panel material, fiberglass insulation and trim panel material on the noise reduction characteristics of double-wall panels are investigated. With few modifications, the classical sound transmission theory can be used to design the interior noise control treatment of aircraft. Acoustic intensity and analysis procedures are included.


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    Titel :

    General Aviation Aircraft Interior Noise Problem: Some Suggested Solutions


    Beteiligte:
    J. Roskam (Autor:in) / R. Navaneethan (Autor:in)

    Erscheinungsdatum :

    1984


    Format / Umfang :

    488 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch





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