Variable cycle engines (VCE) have been evaluated using advanced V/STOL fighter designs. The VCE payoffs were assessed in terms of total weapon system cost effectiveness and results indicate that they offer potential benefits in supersonic V/STOL fighters. A systematic engine/airframe evaluation procedure was developed and used to asses interactions for advanced engine concepts in L + L/C aircraft designs. The evaluation procedure provides a rapid and inexpensive technique for evaluating engine concepts considering a large matrix of engine and airframe design and sizing variables. The procedure was used to establish a parametric data base using both fixed cycle turbofans and variable geometry turbine turbojets. Specific engine/airframe designs were then selected for detailed comparisons. Engine/airframe design evaluations were also conducted using a variable cycle turbofan engine capable of being used with both L + L/C and L/C aircraft. These aircraft designs were compared to the fixed cycle turbofan and variable geometry turbine turbojet aircraft designs in terms of TOGW, performance, life cycle cost and operational flexibility.


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    Titel :

    Variable cycle engine evaluations for supersonic V/STOL fighters. management summary report


    Weitere Titelangaben:

    Leistungsbewertung von Triebwerken mit unterschiedlichen Arbeitsablaeufen fuer Kurzstartflugzeuge. Zusammenfassender Bericht fuer die Betriebsleitungen und das Fuehrungspersonal


    Beteiligte:
    Cupstid, J.E. (Autor:in) / Glennie, D.G. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1978


    Format / Umfang :

    58 Seiten


    Medientyp :

    Report


    Format :

    Print


    Sprache :

    Englisch






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