Study on Penetration Law of Ogive-nose Projectile in a Wide Velocity Range

HOU Xuhua; YIN Likui; QU Qiankun; LIANG Jiadong; LAN Yupeng; WANG Junfeng; YANG Rui; CHEN Zhigang

doi:10.15892/j.cnki.djzdxb.2024.04.008

Journal of Projectiles, Rockets, Missiles and Guidance >

2024 , Vol. 44 >Issue 4: 62 - 71

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2024.04.008

Study on Penetration Law of Ogive-nose Projectile in a Wide Velocity Range

HOU Xuhua ¹ ,
YIN Likui ² ,
QU Qiankun ³ ,
LIANG Jiadong ¹ ,
LAN Yupeng ⁴ ,
WANG Junfeng ⁵ ,
YANG Rui ¹ ,
CHEN Zhigang ²

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¹ School of Mechanical Electrical Engineering, North University of China, Taiyuan 030051, Shanxi, China
² Institute of Intelligent Weapons, North University of China, Taiyuan 030051, Shanxi, China
³ Zhen Jiang Campus, Army Military Transportation University, Zhenjiang 212003, Jiangsu, China
⁴ Shandong Special Industry Group Co., Ltd., Zibo 255201,Shandong, China
⁵ Xi’an North Huashan Mechanical & Electrical Co., Ltd., Xi’an 710043, Shaanxi, China

Received date: 2024-06-04

Online published: 2024-12-18

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Abstract

In order to study the penetration power of ogive-nose projectile under the condition of wide velocity range, the ANSYS/LS-DYNA finite element analysis software is used to simulate the penetration of the ogive-nose projectile into concrete target plate without considering the impact response characteristics of its range. The effects of projectile material, caliber radius head, length-diameter ratio and mass on the penetration performance are studied under the impact velocity of 2.0Ma~6.0Ma. The results show that with the increase of the target velocity, the dimensionless penetration depth of the projectile increases first and then decreases. At the same time, compared with 93 tungsten alloy and TA7 titanium alloy, the penetration performance of G50 alloy steel is better. The caliber radius head has a significant effect on the dimensionless penetration depth during low-speed penetration, and the degree of influence is reduced during ultra-high-speed penetrating. The optimal caliber radius head ratio of the projectile is 3~4. The length-diameter ratio is positively correlated with the penetration depth at low speed penetration and negatively correlated with the penetration depth at ultra-high speed penetrating. The dimensionless penetration depth decreases with the increase of the length-diameter ratio, and the optimal length-diameter ratio of the projectile is 4~5. The mass has a significant effect on the depth of penetration, and has little effect on the dimensionless depth of penetration and the critical transformation rate. The critical transformation rate appears at 3.5Ma~4Ma.

Key words： ogive-nose projectile; wide velocity range; concrete; numerical simulation

Cite this article

HOU Xuhua , YIN Likui , QU Qiankun , LIANG Jiadong , LAN Yupeng , WANG Junfeng , YANG Rui , CHEN Zhigang . Study on Penetration Law of Ogive-nose Projectile in a Wide Velocity Range[J]. Journal of Projectiles, Rockets, Missiles and Guidance, 2024 , 44(4) : 62 -71 . DOI: 10.15892/j.cnki.djzdxb.2024.04.008

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