Propulsion system requirements of long range, long endurance aircraft are described with emphasis on turbofan engines. The factors influencing the optimum design bypass ratio of a turbofan engine are discussed, and some effects of laminar flow control and cargo space requirements upon optimum turbofan engine design are shown. A parametric study of airplane performance is used to compare a series of industry study engines as a means of showing the relationship between airplane design and engine design. Clean airplane designs require significantly higher bypass ratios for maximum range and endurance.


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    Title :

    REQUIREMENTS FOR LONG RANGE -LONG ENDURANCE AIRCRAFT


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    SAE World Congress & Exhibition ; 1964



    Publication date :

    1964-01-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




    Requirements for long range -- Long endurance aircraft

    Wheaton, R.J. / Bogdanovic, J.A. / Feder, A. | Engineering Index Backfile | 1964


    Method of determining propulsion system requirements for long-range, long-endurance aircraft

    Bogdanovic, J.A. / Feder, A. / Wheaton, R.J. | Engineering Index Backfile | 1965




    Aircraft for Long Range and Long Endurance Missions

    Barnett, Lane / Boyles, Richard Q. | SAE Technical Papers | 1964