Very rapid mixing and burning of fuel in air stream is required in combustion system of hypersonic air-breathing vehicle propulsion system which is called supersonic combustion ramjet (SCRAMJET); study of ignition delay in supersonic air-subsonic hydrogen configurations under conditions of turbulent, two-dimensional mixing, and for pressures and temperatures significant to supersonic combustion; dissociation in injector outer boundary layer produces oxygen atoms which, once introduced into mixing layer, trigger fast reactions and decrease ignition delay length; under conditions of high production of radicals at injector outer boundary layer, ignition delay lengths compare fairly well with those experimentally measured in premixed systems. (12135)


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    Title :

    Ignition delay in diffusive supersonic combustion


    Additional title:

    AIAA J


    Contributors:
    Da-Riva, I. (author) / Urrutia, J.L. (author)

    Published in:

    AIAA Journal ; 6 , n 11


    Publication date :

    1968


    Size :

    7 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English