Predicted engine core noise levels are compared with measured total aircraft noise levels and with current and proposed federal noise certification requirements. Comparisons are made at the FAR-36 measuring stations and include consideration of both full- and cutback-power operation at takeoff. In general, core noise provides a barrier to achieving proposed EPA stage 5 noise levels for all types of aircraft. More specifically, core noise levels will limit further reductions in aircraft noise levels for current widebody commercial aircraft.


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    Titel :

    Comparison of Predicted Engine Core Noise with Current and Proposed Aircraft Noise Certification Requirements


    Beteiligte:
    U. H. Vonglahn (Autor:in) / D. E. Groesbeck (Autor:in)

    Erscheinungsdatum :

    1981


    Format / Umfang :

    15 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch