Approximate method based on study of aircraft in flight and investigations of acoustics of structures; noise level in cabin is result of engine noise, aerodynamic noise, structural vibration, and noise from auxiliary units; procedure consists in determining spectrum of external noise, and decibel attenuation due to insulation of cabin; noise level obtained by subtracting attenuation loss from original level. English abstract from Recherche Ae ronautique Sept-Oct 1949. (British Edition)


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    Title :

    Method for calculation of noise spectrum of aircraft


    Additional title:

    Engrs' Digest


    Contributors:

    Published in:

    Publication date :

    1950


    Size :

    6 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English


    Keywords :


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