Insight into the inflight acoustic characteristics of high-velocity jet noise suppressor nozzles for supersonic cruise aircraft (SCA) is provided. Although the suppression of jet noise over the entire range of directivity angles is of interest, the suppression of the peak noise level in the rear quadrant is frequently of the most interest. Consequently, the paper is directed primarily to the inflight effects at the peak noise level. Both single and inverted-velocity-profile multistream suppressor nozzles are considered. The importance of static spectral shape on the noise reduction due to inflight effects is stressed.


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    Titel :

    Acoustic considerations of flight effects on jet noise suppressor nozzles


    Beteiligte:
    Von Glahn, U. (Autor:in)

    Kongress:

    Aerospace Sciences Meeting ; 1980 ; Pasadena, CA


    Erscheinungsdatum :

    01.01.1980


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :