Research on Small Tungsten Spheres Penetrating into Pine Target with Body Armor

TANG Changzhou; ZHI Xiaoqi; XU Jinbo; CHEN Zhibin

doi:10.11858/gywlxb.20200506

Volume 34 Issue 5

Sep 2020

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Chinese Journal of High Pressure Physics > 2020 > 34(5): 055101.

TANG Changzhou, ZHI Xiaoqi, XU Jinbo, CHEN Zhibin. Research on Small Tungsten Spheres Penetrating into Pine Target with Body Armor[J]. Chinese Journal of High Pressure Physics, 2020, 34(5): 055101. doi: 10.11858/gywlxb.20200506

Citation:

TANG Changzhou, ZHI Xiaoqi, XU Jinbo, CHEN Zhibin. Research on Small Tungsten Spheres Penetrating into Pine Target with Body Armor[J]. Chinese Journal of High Pressure Physics, 2020, 34(5): 055101. doi: 10.11858/gywlxb.20200506

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Research on Small Tungsten Spheres Penetrating into Pine Target with Body Armor

doi: 10.11858/gywlxb.20200506

1.
College of Mechatronics Engineering, North University of China, Taiyuan 030051, Shanxi, China
2.
Jinxi Industrial Group, Taiyuan 030027, Shanxi, China

Received Date: 13 Jan 2020
Rev Recd Date: 29 Apr 2020

Abstract

Abstract

In order to study the penetration performance of small tungsten spheres on the human equivalent target with body armor, the test of small tungsten spheres penetrating 25 mm thick pine target with Class Ⅲ soft body armor is carried out. On this basis, the equivalent relationships between 25 mm thick pine target with Class Ⅲ soft body armor and LY-12 hard aluminum target are studied by combining the experiment and numerical simulation of small tungsten spheres penetrating LY-12 hard aluminum target. According to the method of dimensional analysis, the ballistic limit prediction formula of small tungsten spheres penetrating 25 mm thick pine target with Class Ⅲ soft body armor is established and the influence of the mass change of small tungsten spheres on the penetration performance is studied. The experimental results reveal that for the penetration of small tungsten spheres, a 25 mm thick pine target with Class Ⅲ soft body armor can be equivalent to a 6.2 mm thick LY-12 hard aluminum target. The predicted value of ballistic limit prediction formula is in good agreement with the test value. And with the increase of the mass of tungsten spheres, the ballistic limit approximately obeys the law of decreasing power function. The research results have certain reference value for the improvement and design of individual fragment warhead.
- small tungsten sphere,
- body armor,
- pine target,
- numerical simulation,
- equivalent target,
- dimensional analysis,
- ballistic limit

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References(22)

References

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Research on Small Tungsten Spheres Penetrating into Pine Target with Body Armor

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