Two screw propellers, a normal airplane propeller with a pitch/diameter ratio H/D = 0.5 and a helicopter propeller H/D = 0.2 were tested in the large wind tunnel of the Gottigen Aerodynamic Institute. With both propellers the angle between the propeller axis and the direction of the wind was varied from 0 to 90 degrees. In addition to the three force and the three moment components in a wind-fast coordinate system, the corresponding components in a propeller-fast coordinate system, a total of six force and six moment components, together with the propulsive efficiency, were measured or calculated from measurements. The results are given in the form of diagrams and briefly discussed. The propeller models and method of experimentation are described and the symbols are defined.


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    Titel :

    Experimental Investigation of Aircraft Propellers Exposed to Oblique Air Currents


    Beteiligte:
    Flachsbart, O (Autor:in) / Krober, G (Autor:in)

    Erscheinungsdatum :

    01.04.1930


    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch




    Experimental study of propellers exposed to oblique air currents

    Flachsbart, O. / Kroeber, G. | Engineering Index Backfile | 1930


    Experimental study of propellers exposed to oblique air currents

    Flachsbart, O. / Kroeber, G. | Engineering Index Backfile | 1929


    Investigation on cavitating screw propellers operating in oblique flow

    Kozhukharov, P.G. / Sadovnikov, Y.M. / Frolov, V.A. | Tema Archiv | 1983


    Aircraft propellers

    Havill, C.H. | Engineering Index Backfile | 1929