柔性气囊弹射系统动力学特性研究

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摘要为了减轻导弹发射系统的重量和降低导弹发射的成本，研究了一种柔性气囊弹射系统，实现了对导弹做功。通过理论分析，试验验证和数值计算相结合的方法，对柔性气囊弹射系统的工作机理和弹射性能进行了研究。结果表明：通过粒子法计算柔性气囊展开过程的结果与试验测量结果吻合较好，误差不超过1.04%，验证了粒子法计算柔性气囊展开的准确性；柔性气囊弹射系统的弹射性能与弹射工质的种类、温度、柔性气囊的作用距离和作用面积等因素有关。在对弹射工质和柔性气囊结构参数的研究中发现：弹射工质的摩尔质量越小，温度越高，柔性气囊弹射系统的弹射性能就越好；当作用面积相同时，柔性气囊的长径比越大，柔性气囊弹射系统的弹射性能就越好；当作用距离相同时，柔性气囊的长径比越小，柔性气囊弹射系统的弹射性能就越好，导弹获得的动能就越大。

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	严松
	姜毅
	邓月光
	杨宝生
	文享华

Abstract：In order to reduce the weight of the missile launching system and reduce the cost of missile launching, a flexible airbag ejection system was researched to achieve work on the missile. Through a combination of theoretical analysis, experimental verification and numerical calculation, the working mechanism and ejection performance of the flexible airbag ejection system are studied. The results show that the results of calculating the deployment process of the flexible airbag by the corpuscular method are in good agreement with the experimental measurement results, and the error does not exceed 1.04%, which verifies the accuracy of the calculation of the deployment of the flexible airbag by the corpuscular method; the ejection performance and ejection working medium of the flexible airbag ejection system The type, temperature, range and area of the flexible airbag are related to other factors. In the study of the ejection working fluid and the structural parameters of the flexible airbag, it is found that the smaller the molar mass of the ejection working fluid and the higher the temperature, the better the ejection performance of the flexible airbag ejection system; When the action area is the same, the larger the aspect ratio of the flexible airbag, the better the ejection performance of the flexible airbag ejection system; When the operating distance is the same, the smaller the aspect ratio of the flexible airbag, the better the ejection performance of the flexible airbag ejection system, and the greater the kinetic energy obtained by the missile.

收稿日期: 2022-12-13 出版日期: 2024-02-15

引用本文:

严松，姜毅，邓月光，杨宝生，文享华. 柔性气囊弹射系统动力学特性研究[J]. 振动与冲击, 2024, 43(3): 247-254.
YAN Song, JIANG Yi, DENG Yueguang, YANG Baosheng, WEN Xianghua. Dynamic characteristics of flexible airbag ejection system. JOURNAL OF VIBRATION AND SHOCK, 2024, 43(3): 247-254.

链接本文:

http://jvs.sjtu.edu.cn/CN/ 或 http://jvs.sjtu.edu.cn/CN/Y2024/V43/I3/247

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