The effect of varying fan ratios from 0–8 is examined, with particular reference to high subsonic transports. Front and aft fan ratios up to 5 show progressive advantages indirect operating cost. When mounted as a group of three, with the center engine ingesting fuselage boundary layer, aft fan ratios up to 7 are worth while, and these values will rise as lower sizes, weights, and drags result from engineering developments, such as fan-turbine units optimized to suit particular aeroplanes and variable pitch fans incorporating thrust reversal.


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    Titel :

    Higher Propulsive Efficiency in Subsonic Aircraft


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Clifton, Alan N. (Autor:in) / Wotton, John (Autor:in)

    Kongress:

    Aeronautic and Space Engineering and Manufacturing Meeting ; 1965



    Erscheinungsdatum :

    1965-02-01




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :


    Higher propulsive efficiency in subsonic aircraft

    Clifton, A.N. / Wotton, J. | Engineering Index Backfile | 1965


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    Aero-Propulsive Efficiency Requirements for Turboelectric Transport Aircraft

    de Vries, Reynard / Hoogreef, Maurice / Vos, Roelof | AIAA | 2020


    Improving propulsive efficiency

    Slocum, S.E. | Engineering Index Backfile | 1929