The assumptions on which conventional propeller aerodynamic performance analyses are based can be seriously violated when advanced high speed propellers are analyzed. Studies have been performed using a lifting line representation for the propeller to determine the sensitivity of predicted propeller performance to various assumptions in the analysis. Items which have been studied include the method of determining blade section lift and the effects of blade section drag, camber and blade sweep. The effects of nonuniform flow into the propeller and compressibility have also been studied. Comparisons of analytical and experimental results are presented to demonstrate the overall validity of the results. (Wassmann)


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    Titel :

    Factors influencing the predicted performance of advanced propeller designs


    Weitere Titelangaben:

    Die vorherberechnete Leistung von modernen Propellerkonstruktionen beeinflussende Faktoren


    Beteiligte:
    Bober, L.J. (Autor:in) / Chang, L.K. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1981


    Format / Umfang :

    19 Seiten, 14 Bilder, 9 Quellen


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch