A high-fidelity prediction of near-field sonic-boom signature is performed. Three benchmark cases (including an axisymmetric body, a simple delta wing–body, and a complete low-boom supersonic transport configuration) and the Lockheed Martin 1021 (LM1021) case are simulated with a hybrid grid Reynolds-averaged Navier–Stokes solver, HUNS3D, to predict near-field sonic-boom signature. Overall, the computational results agree well with the wind-tunnel experiment data. The influence of geometrical modification, grid size and distribution, spatial discretization schemes, and viscosity are studied and analyzed. The near-field signature of the LM1021 configuration propagating to the ground is analyzed by a linear wave approach.


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    Title :

    Near-Field Sonic-Boom Prediction and Analysis with Hybrid Grid Navier–Stokes Solver


    Contributors:
    Ma, Boping (author) / Wang, Gang (author) / Ren, Jiong (author) / Ye, Zhengyin (author) / Lei, Zhijin (author) / Zha, Gecheng (author)

    Published in:

    Journal of Aircraft ; 55 , 5 ; 1890-1904


    Publication date :

    2018-06-27


    Size :

    15 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




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