Variable cycle engines were identified, based on the mixed-flow low-bypass-ratio augmented turbofan cycle, which has shown excellent range capability in the AST airplane. The best mixed-flow augmented turbofan engine was selected based on range in the AST Baseline Airplane. Selected variable cycle engine features were added to this best conventional baseline engine, and the Dual-Cycle VCE and Double-Bypass VCE were defined. The conventional mixed-flow turbofan and the Double-Bypass VCE were on the subjects of engine preliminary design studies to determine mechanical feasibility, confirm weight and dimensional estimates, and identify the necessary technology considered not yet available. Critical engine components were studied and incorporated into the variable cycle engine design.


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    Title :

    Advanced supersonic propulsion system technology study, phase 2


    Contributors:

    Publication date :

    1975-12-01


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English





    Advanced supersonic technology propulsion system study

    Szeliga, R. / Allan, R. D. | NTRS | 1974


    Advanced Supersonic Technology Propulsion System Study

    R. Szeliga / R. D. Allan | NTIS | 1974


    Advanced Supersonic Propulsion Study, Phase 3

    R. A. Howlett / J. Johnson / J. Sabatella et al. | NTIS | 1976


    Advanced supersonic propulsion study, phase 3

    Howlett, R. A. / Johnson, J. / Sabatella, J. et al. | NTRS | 1976