Predictions made with NASA's aircraft noise prediction program (ANOPP) were compared with flyover noise data. A data base of six flyover noise runs for the DC-10-40/JT9D-59A configuration was used. For all power settings, ANOPP consistently underpredicted the low frequency spectral levels, overpredicted high frequency spectral levels and, consequently, overpredicted the inlet and aft PNLT time histories.


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    Title :

    Validation of aircraft noise prediction program


    Contributors:

    Publication date :

    1979-06-01


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English


    Keywords :


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