Analysis of liquid-filled unit cell structure subjected to shaped charge jet impact

Zhang Xian; Zu Xudong; Huang Zhengxiang; Xiao Qiangqiang; Jia Xin

doi:10.11883/1001-1455(2017)06-1101-06

Volume 37 Issue 6

Sep. 2017

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Zhang Xian, Zu Xudong, Huang Zhengxiang, Xiao Qiangqiang, Jia Xin. Analysis of liquid-filled unit cell structure subjected to shaped charge jet impact[J]. Explosion And Shock Waves, 2017, 37(6): 1101-1106. doi: 10.11883/1001-1455(2017)06-1101-06

Citation:

Zhang Xian, Zu Xudong, Huang Zhengxiang, Xiao Qiangqiang, Jia Xin. Analysis of liquid-filled unit cell structure subjected to shaped charge jet impact[J]. Explosion And Shock Waves, 2017, 37(6): 1101-1106. doi: 10.11883/1001-1455(2017)06-1101-06

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Analysis of liquid-filled unit cell structure subjected to shaped charge jet impact

doi: 10.11883/1001-1455(2017)06-1101-06

School of Mechanical Engineering, Nanjing University of Science & Technology, Nanjing 210094, Jiangsu, China

Received Date: 2016-04-28
Rev Recd Date: 2016-12-29
Publish Date: 2017-11-25

Abstract

Abstract

Based on the virtual origin theory, the shock wave reflection theory and the jet interference theory, the theoretical model for the jet penetrating a liquid-filled unit cell structure was improved and perfected in consideration of the liquid's spray and radial convergence. The exact expression of the disturbance velocity range of the jet, the expression of the liquid's spray velocity and the expression of the liquid's flow were derived. The theoretical mode of this paper was confirmed by in the comparison of the theoretical and the experimental results of the disturbance velocity range of the jet. The results showed that the liquid's spray and radial convergence exert influence on the shaped charge jet's stability, leading to the jet's necking and fracture, thereby reducing the jet's residual velocity and residual penetration ability.
- shaped charge jet,
- unit cell structure,
- velocity range of jet,
- shaped charge jet stabillity

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References(10)

References

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