Supersonic sled tests on the Sandia 1524-m (5000-ft) track generate sonic booms of sufficient intensity to allow some airblast measurements at distance scales not obtained from wind tunnel or flight tests. During acceleration, an emitted curved boom wave propagates to a caustic, or focus. Detailed measurements around these caustics may help to clarify the overpressure magnification which can occur from real aircraft operations. Six fixed pressure gages have been operated to document the general noise field, and a mobile array of twelve gages.


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    Title :

    Sonic boom measurements from accelerating supersonic tracked sleds


    Contributors:
    Reed, J. W. (author)

    Publication date :

    1974-01-01


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English


    Keywords :




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