Desire is to reduce cabin noise resulting from fuselage vibration generated by engine rotor unbalance disturbances; simplified analytical model is used in combination with experimental impedance data to investigate effectiveness of several schemes applied to engine/airframe interface; airframe vibration absorbers are found to be most effective; qualitative correlation is achieved with results of installation of absorbers on Douglas DC-9 aircraft; more comprehensive analytical model is generated to account for three-dimensional effects; data acquisition for this model is discussed.


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    Title :

    Mechanical impedance approach to engine vibration transmission into aircraft fuselage


    Additional title:

    SAE -- Paper


    Contributors:
    Rubin, S. (author) / Biehl, F.A. (author)

    Conference:

    SAE Meeting ; 1967 Noise



    Publication date :

    1967


    Size :

    9 pages


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English


    Keywords :



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