A combined turbofan and ramjet aircraft engine includes a forward bypass duct which allows the engine to operate more efficiently during the turbofan mode of operation. By mounting a ramjet preburner in the forward duct and isolating this duct from the turbofan bypass air, a transition from turbofan operation to ramjet operation can take place at lower flight Mach numbers without incurring pressure losses or blockage in the turbofan bypass air.


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    Title :

    Ramjet bypass duct and preburner configuration


    Contributors:

    Publication date :

    1994-05-17


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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