In order to study the combustion instability of solid rocket motors, the vibration-acoustic vibration-burning rate oscillation-thrust oscillation coupling system of solid rocket motors is analyzed. In this paper, a numerical model covering the pressure oscillation, combustion, pseudo-one-dimensional fluid field, and overall thrust is built. We investigate the thrust oscillation caused by projectile structure vibration and the response characteristics of thrust oscillation. By conducting a sine sweep test, we obtain the response function of thrust in relation to pressure oscillation. A physical experiment shows that the calculated frequency response function is consistent with the experimental results.


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    Title :

    Research on Oscillation Response of Pressure-Combustion-Thrust System in Solid Rocket Motor


    Additional title:

    J. Aerosp. Eng.


    Contributors:
    Li, Lu (author) / Bao, Futing (author) / Wei, Ran (author) / Hou, Kaiyu (author) / Shi, Xiaoming (author)

    Published in:

    Publication date :

    2024-07-01




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English



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