A review is conducted of improvements which can be made with respect to the fuel consumption of current engines and new production versions of current engines. A description is presented of an engine diagnostics program which has the objective to identify and quantify the causes and sources of performance deterioration in the JT9D turbofan engine and to develop basic data which will be applied to minimize performance degradation of current and future engines. General areas where performance losses occur are examined, taking into account seals, blades and vanes, and cases. Potential performance improvement concepts are related to improved component aerodynamics, improved flowpath sealing, blade tip clearance control, improved turbine cooling effectiveness, improved turbine materials and coatings, duct and nozzle aerodynamic refinements, nacelle aerodynamic refinements, forced exhaust mixers, advanced nacelle materials, and advanced fuel control.


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    Titel :

    Fuel consumption improvement in current transport engines


    Beteiligte:
    Hines, R. W. (Autor:in) / Ziemianski, J. A. (Autor:in)

    Kongress:

    Joint Propulsion Conference ; 1978 ; Las Vegas, NV, US


    Erscheinungsdatum :

    01.07.1978


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Keine Angabe


    Sprache :

    Englisch




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    HINES, R. / ZIEMIANSKI, J. | AIAA | 1978


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