A parametric study of an integrated airframe and engine is presented for a hypersonic transport at an altitude of 70,000 feet and a free stream Mach number of 6. The engine considered is a subsonic combustion ramjet using conventional hydrocarbon fuels. The lift-to-drag ratio of the aircraft for two configurations, one with full capture and accelerated flight and the other allowing spillage of the leading shock and in unaccelerated flight, is studied. The parameters varied are the engine efficiencies, the angle of attack, the combustion rates, as well as the captured mass flow. Lift-to-drag ratios on the order of 6.5 are obtained.


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    Title :

    Studies of engine-airframe integrated hypersonic vehicles


    Contributors:
    Saland, H. (author) / Fox, H. (author) / Hoydysh, W. (author)

    Publication date :

    1972-01-01


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English


    Keywords :


    Studies of Engine-Airframe Integrated Hypersonic Vehicles

    H. Saland / H. Fox / W. Hoydysh | NTIS | 1972




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    Studies of Engine-Airframe Integration on Hypersonic Aircraft

    P. J. JOHNSTON / J. M. CUBBAGE AND J. P. WEIDNER | AIAA | 1971