Analysis of projectile penetrating into mortar target with elliptical cross-section

WANG Wenjie; ZHANG Xianfeng; DENG Jiajie; ZHENG Yingmin; LIU Chuang

doi:10.11883/bzycj-2017-0020

Volume 38 Issue 1

Nov. 2017

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Article Navigation > Explosion And Shock Waves > 2018 > 38(1): 164-173

WANG Wenjie, ZHANG Xianfeng, DENG Jiajie, ZHENG Yingmin, LIU Chuang. Analysis of projectile penetrating into mortar target with elliptical cross-section[J]. Explosion And Shock Waves, 2018, 38(1): 164-173. doi: 10.11883/bzycj-2017-0020

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WANG Wenjie, ZHANG Xianfeng, DENG Jiajie, ZHENG Yingmin, LIU Chuang. Analysis of projectile penetrating into mortar target with elliptical cross-section[J]. Explosion And Shock Waves, 2018, 38(1): 164-173. doi: 10.11883/bzycj-2017-0020

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Analysis of projectile penetrating into mortar target with elliptical cross-section

doi: 10.11883/bzycj-2017-0020

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

Received Date: 2017-01-16
Rev Recd Date: 2017-03-09
Publish Date: 2018-01-25

Abstract

Abstract

In this work, based on the theory of dynamic spherical cavity expansion, we presented a force model of penetrating projectiles with an elliptical cross-section to study their penetration performance and, using this model, calculated the resistance of the elliptical cross section and the penetration depths. Further, we performed a series of experiments of two typical elliptical cross-sectioned and circular cross-sectioned projectiles with the same mass and length penetrating perpendicularly semi-infinite grout targets at a velocity of 700 m/s to 800 m/s. The results show that the established theoretical model reflected the force condition of the elliptical cross-section and the theoretical results agreed well with the experiment, and that the size of the cross-section had a significant influence on its penetration performance.
- elliptical cross-section projectile,
- concrete targets,
- cavity expansion theory,
- vertical penetration

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References

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