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喷管孔径对某小型燃气发生器内弹道性能的影响

WANG Hai-qing,YANG Zheng-cai,YE Shu-qin,LIU Hai-xu,LI Ning,LIU Jian-tong

Initiators & Pyrotechnics（2018）

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Abstract
为探讨燃气发生器喷管孔径对其内弹道性能的影响,通过建立燃气发生器内弹道数学模型,仿真计算得到压力——时间曲线,并与地面静态试验结果进行验证,结果证明仿真计算结果准确可靠.同时,通过仿真计算研究不同喷管孔径对内弹道性能的影响,研究表明随着孔径的减小,燃气发生器工作时间和工作压力均呈现增大的趋势.
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Key words
Gas generator,Interior ballistics,Simulation calculation,Mesa combustion,Nozzle
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