并联EFP侵彻钢靶特性及靶后破片分布规律

陈敏; 陈庭豪; 王鹏; 张昊洁; 王海福; 郭焕果

doi:10.12382/bgxb.2026.0303

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并联EFP侵彻钢靶特性及靶后破片分布规律

更新时间：2026-08-17

- 并联EFP侵彻钢靶特性及靶后破片分布规律
- Penetration Characteristics of Parallel Explosively Formed Penetrators (EFPs) into a Steel Target and Backside Fragment Distribution
- 兵工学报 2026年
- 作者机构：
  
  1.北京理工大学爆炸科学与安全防护全国重点实验室, 北京 100081
  2.北方科技信息研究所, 北京 100081
- 作者简介：
  
  邮箱：6120220160@bit.edu.cn
- 基金信息：
  
  2025年自主研究课题青年基金项目(QNKT25-08)
- DOI：10.12382/bgxb.2026.0303
  中图分类号： TJ410.3;TP391.9
- 收稿：2026-04-03，
  
  修回：2026-08-16，
  
  录用：2026-07-13，
- 稿件说明：
移动端阅览
陈敏, 陈庭豪, 王鹏, 等. 并联EFP侵彻钢靶特性及靶后破片分布规律[J/OL]. 兵工学报, 2026.

CHEN Min, CHEN Tinghao, WANG Peng, et al. Penetration Characteristics of Parallel Explosively Formed Penetrators (EFPs) into a Steel Target and Backside Fragment Distribution[J/OL]. Acta Armamentarii, 2026.
陈敏, 陈庭豪, 王鹏, 等. 并联EFP侵彻钢靶特性及靶后破片分布规律[J/OL]. 兵工学报, 2026. DOI： 10.12382/bgxb.2026.0303.

CHEN Min, CHEN Tinghao, WANG Peng, et al. Penetration Characteristics of Parallel Explosively Formed Penetrators (EFPs) into a Steel Target and Backside Fragment Distribution[J/OL]. Acta Armamentarii, 2026. DOI： 10.12382/bgxb.2026.0303.

摘要

为探究并联爆炸成型弹丸（Explosively formed penetrator

EFP）战斗部对装甲钢靶的侵彻特性以及靶后破片分布特性，建立了并联EFP战斗部起爆、飞行、侵彻的全过程数值模型。通过数值模拟分析了并联EFP侵彻装甲钢靶的弹靶作用过程，得到了弹靶作用时能量交换特性、靶板不同位置处受力状态及靶后破片散布位置与形态。获得战斗部间距、起爆时间差及起爆方式对并联EFP侵彻孔径、靶后有效破片数量和靶后破片云分布特性的影响规律，揭示了EFP战斗部并联排布特性对装甲钢靶侵彻及后效毁伤影响机理。仿真结果表明，侵彻过程中EFP损失的动能转化为EFP的内能及靶板的动能和内能；并联EFP作用装甲钢靶时，由于受到同类应力波的非线性叠加，靶板中心受到的正负压力峰值明显升高，并且正负压交替频率显著增加；除EFP形成的碎片外，约占靶板整体厚度3/5的靶板背面材料参与形成靶后破片，破片质量约占靶板形成破片总质量的96%；战斗部间距为35mm、单点中心同步起爆时，形成的侵彻孔径最大、靶后有效破片数量最多；战斗部间距、起爆时间差、起爆方式分别对小型低速破片数量占比、有效破片质量分布及速度分布造成主要影响。

Abstract

To explore the penetration characteristics of parallel Explosively Formed Penetrator (EFP) warheads against armored steel targets and the distribution characteristics of fragments behind the target

a full-process numerical model was established for the initiation

flight

and penetration of parallel EFP warheads. The interaction process between parallel EFPs and armored steel targets was analyzed through numerical simulation

revealing the energy exchange characteristics during the interaction

the stress states at different locations of the target plate

and the distribution positions and morphologies of fragments behind the target. The effects of warhead spacing

initiation time difference

and initiation methods on the penetration aperture

the number of effective fragments behind the target

and the distribution characteristics of the fragment cloud behind the target were obtained

elucidating the influence mechanism of the parallel arrangement characteristics of EFP warheads on the penetration and post-penetration damage of armored steel targets. The simulation results show that the kinetic energy lost by the EFP during penetration is transformed into the internal energy of the EFP and the kinetic and internal energy of the target plate. When parallel EFPs act on armored steel targets

the positive and negative pressure peaks at the center of the target plate significantly increase due to the nonlinear superposition of similar stress waves

and the alternation frequency of positive and negative pressures increases markedly. In addition to the fragments formed by the EFP

approximately 3/5 of the material from the back of the target plate

accounting for about 97% of the total mass of fragments formed by the target plate

participates in forming fragments behind the target. When the warhead spacing is 35 mm with single-point center synchronous initiation

the penetration aperture is the largest

and the number of effective fragments behind the target is the highest. Warhead spacing

initiation time difference

and initiation methods mainly affect the proportion of small low-speed fragments

the mass distribution of effective fragments

and the velocity distribution

respectively.

关键词

Keywords

references

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