Recent studies of a proposed low cross-range straight-wing space shuttle orbiter have shown that the sonic boom created during reentry may be objectionable, particularly at low supersonic Mach number. Because of this, additional tests have been conducted to determine the sonic-boom overpressure for a blended wing-body shape proposed for use as a high cross-range shuttle orbiter. Two mission profiles, in which a constant angle of attack was held during the supersonic portion of the flight, were studied. In one case the angle of attack was 60 degrees; in the other 25 degrees. The sonic-boom pressure signatures were measured in a wind tunnel and used to estimate overpressures for both missions. A technique for alleviating the boom is indicated.


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    Title :

    Investigation of Sonic Boom for the Space Shuttle: High Cross-Range Orbiter


    Contributors:
    R. M. Hicks (author) / J. P. Mendoza (author) / L. L. Levy (author)

    Publication date :

    1993


    Size :

    12 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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