An overview is given of advanced concepts for the suppression of noise in the inlets of gas turbine engines. Inlet geometric and operating parameters are presented and design criteria for suppression methods are discussed. Noise suppression concepts are described, the directions of current research are reviewed. Problem areas requiring further work are indicated. Well established approaches to inlet noise reduction - namely, acoustic liners and high subsonic Mach number inlets which are the focus of considerable current research activity are considered along with the acoustic absorption and watet vapor injection. (Author)


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    Titel :

    Survey of Inlet Noise Reduction Concepts for Gas Turbine Engines


    Beteiligte:
    D. L. Lansing (Autor:in) / D. Chestnutt (Autor:in)

    Erscheinungsdatum :

    1976


    Format / Umfang :

    44 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch




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