To define the optimum turbofan engine cycle for the Year 2000, a parametric study was undertaken to define candidate engine thermodynamic cycles for advanced long range aircraft. Performance comparisons are based on uninstalled cruise specific fuel consumption (SFC). A base cycle design with current state-of-the-art technology was established as a reference. A parametric study was then conducted where component technologies projected for the Year 2000 were included in the cycle design process. As bypass ratio increased, the transition from direct drive to geared fans was accounted for. Separate versus mixed flow exhaust systems were also studied. An uninstalled SFC improvement of approximately 18 % was found for the Year 2000 turbofan relative to the baseline engine.


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    Title :

    Turbofan engine cycle design selection - year 2000


    Additional title:

    Konstruktive Auswahl von Propellerturbinentriebwerken - Jahr 2000


    Contributors:

    Published in:

    AIAA-Papers ; Okt ; 1-8


    Publication date :

    1986


    Size :

    8 Seiten, 18 Bilder, 4 Tabellen, 4 Quellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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