低压环境下膛口冲击波实验研究

doi:10.3969/j.issn.1000-1093.2014.06.009

兵工学报 ›› 2014, Vol. 35 ›› Issue (6): 808-813.doi: 10.3969/j.issn.1000-1093.2014.06.009

低压环境下膛口冲击波实验研究

朱冠南，王争论，马佳佳，王巧

(南京理工大学瞬态物理国家重点实验室, 江苏南京 210094)

收稿日期:2013-07-08 修回日期:2013-07-08 上线日期:2014-07-24
通讯作者: 朱冠南 E-mail:zhu391608086@sina.com
作者简介:朱冠南（1987—），男，硕士研究生
基金资助:
瞬态物理国家重点实验室基金项目（9140C300301110C30）；国防基础科研项目(A1020132081)

Research on Muzzle Shock Wave in Low Pressure Environment

ZHU Guan-nan, WANG Zheng-lun, MA Jia-jia， WANG Qiao

(National Key Laboratory of Transient Physics, Nanjing University of Science and Technology, Nanjing 210094, Jiangsu, China)

Received:2013-07-08 Revised:2013-07-08 Online:2014-07-24
Contact: ZHU Guan-nan E-mail:zhu391608086@sina.com

摘要/Abstract

摘要： 为了解低压环境下膛口冲击波的传播特性，进行了低压环境下膛口冲击波的压力测试实验。通过低压舱配合抽真空装置实现低压环境，设计膛口冲击波压力测试系统，测得海拔12 km内7个高度对应压力下膛外多点处的压力曲线。实验结果表明：低压环境下冲击波场在膛口的分布规律与常压环境下一致；膛口冲击波强度随环境压力的降低近似呈线性减小，10 km高空的膛口冲击波强度仅为地面膛口冲击波强度的一半。研究结果对高空环境下膛口流场控制具有参考意义。

关键词: 兵器科学与技术, 膛口流场, 低压环境, 冲击波, 超压峰值

Abstract: A pressure test of muzzle shock wave is carried out to understand the propagation of muzzle shock wave in low pressure environment. Low pressure environment is established in a cabin through vacuum pumping system. Pressure curves of muzzle shock wave at different pressures are got by the pressure test system. The results show that the distribution of muzzle shock wave in low pressure environment is the same as that in atmospheric environment. With the decrease in the ambient pressure, the intensity of shock wave decreases linearly. The intensity of shock wave at 10 km altitude is roughly half of that in ground. These results lay the foundation for the research on muzzle flow field and its control technology of aircraft gun in real high altitude environment.

Key words: ordnance science and technology, muzzle flow field, low pressure environment, shock wave, peak overpressure

中图分类号:

TJ012.2

朱冠南，王争论，马佳佳，王巧. 低压环境下膛口冲击波实验研究[J]. 兵工学报, 2014, 35(6): 808-813.

ZHU Guan-nan, WANG Zheng-lun, MA Jia-jia， WANG Qiao. Research on Muzzle Shock Wave in Low Pressure Environment[J]. Acta Armamentarii, 2014, 35(6): 808-813.

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低压环境下膛口冲击波实验研究

Research on Muzzle Shock Wave in Low Pressure Environment

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