The coupled interaction between two or more helicopter subsystems has often been the source of vibration problems - problems often costly and time-consuming to correct because they have not surfaced until the design and development of the individual subsystems is far advanced. This report gives a review of Sikorsky experience with such problems over the past twenty years of developing gas turbine powered helicopters. It represents part of an overall Government effort to accumulate data which will eventually lead to solutions of generic problems of this type. The problems presented include forced vibration problems (wherein the excitations come from either aerodynamic loads on the main rotor, or mechanical imbalances in the engine/drive train), self-excited vibrations, and a transient response problem. (Buehn)


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    Titel :

    Review of engine/airframe/drive train dynamic interface development problems


    Weitere Titelangaben:

    Ueberblick ueber die Entwicklungsprobleme bei den dynamisch belasteten Verbindungseinheiten zwischen Gasturbine-Hubschrauberwelle und Getriebe


    Beteiligte:
    Twomey, W.J. (Autor:in) / Ham, E.H. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1978


    Format / Umfang :

    129 Seiten


    Medientyp :

    Report


    Format :

    Print


    Sprache :

    Englisch






    Engine/Airframe/Drive Train Dynamic Interface Documentation

    J. F. Needham / D. Banerjee | NTIS | 1978


    Engine/airframe/drive train dynamic interface documentation

    Richardson, D.A. / Alwang, J.R. | Tema Archiv | 1978


    Airframe - Engine Interface

    Price, J. D. / Institution of Mechanical Engineers; Aerospace Industries Division | British Library Conference Proceedings | 1992