The special problems associated with ramjets flying at hypersonic speeds are addressed, and the potentialities of ramjets using subsonic and supersonic ducted burning and external burning for the hypersonic flight regime are discussed and compared. Included are: theoretical approaches for treating boundary-layer, non-uniform-flow, and non-equilibrium effects; inlet efficiency parameters; leading edge problems (ablation, forced cooling, and drag considerations); performance of hypersonic inlets; theoretical analysis and experimental results on external burning for drag reduction and side-force production; theoretical descriptions of supersonic heat addition and a few experimental results; summaries of hypersonic airplane studies based on subsonic burning ramjets and turboramjets; and theoretical overall performance of supersonic combustion ramjet engines. (Author)


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    Title :

    Ramjet Technology. Chapter 11. Hypersonic Ramjets


    Contributors:
    G. L. Dugger (author) / F. S. Billig (author)

    Publication date :

    1970


    Size :

    148 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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