Among trends in airbreathing propulsion, the priority is shown to belong to the goal of quieting engines to a level no greater than the natural background noise level of the environment in which they operate. For military engines, not so severely noise-constrained, the possibility of stoichiometric gas-turbine engines is shown to be within reach. Very high bypass ratio propfans are especially suitable for V/STOL aircraft. Evolution of reliable variable-geometry inlets and exhaust nozzles characterizes trends in the supersonic regime.


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    Title :

    Airbreathing propulsion system trends.


    Contributors:


    Publication date :

    1971-11-01


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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