The requirements imposed upon advanced short take-off and vertical landing (ASTOVL) aircraft give rise to challenging demands on their propulsion systems. One possible approach is to have a high-performance turbofan of traditional design and an additional, but separate, fan to provide a major part of the lift during the take-off and landing manoeuvres. For such a design, there are several quite-different choices of layout for providing the power to drive the remote fan by means of the core engine. These include shaft-driven and bleed-driven options. The choice will depend on the anatomy and required thermodynamic-performance of the whole system. In this paper, several pertinent alternative engine-designs are discussed. Four of these, based on a high-performance low-bypass-ratio core engine, are studied in detail and their behaviours compared. Prima facie, the preferred choice is the engine with the shaft-driven fan. A slightly less acceptable choice is the high-pressure turbine exit-bleed driven remote-fan.


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    Titel :

    Assessment of variable-cycle propulsion systems for ASTOVL


    Beteiligte:
    Yin, J. (Autor:in) / Pilidis, P. (Autor:in) / Ramsden, K.W. (Autor:in) / Probert, S.D. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    01.12.2000


    Format / Umfang :

    8 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch






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