A flight test program has been conat the Aeronautical and Astronautical Research Laboratory (AARL) of The Ohio State University to measure performance and acoustic characteristics of four propellers designed for use on single-engine general-aviation airplanes. Three of the propellers were designed to reduce acoustic noise, while the fourth was a standard production propeller used for comparison. The tests show that notacible reduction in near-field noise was achieved at a constant propeller rpm, and that comparable aircraft performance may still be maintained.


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    Title :

    Aeroacoustic flight test of four single engine propellers


    Additional title:

    Aeroakustische Flugerprobung von vier Einmotorpropellern


    Contributors:
    Gregorek, G.M. (author) / Newman, R.L. (author) / Black, G.T. (author)

    Published in:

    Publication date :

    1983


    Size :

    7 Seiten, 8 Bilder, 3 Tabellen, 5 Quellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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