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弹箭与制导学报 >

2023 , Vol. 43 >Issue 6: 29 - 36

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2023.06.005

一种异形罩多尾翼EFP成型及其侵彻效能研究

  • 王琪波 1, 2 ,
  • 印立魁 2 ,
  • 陈智刚 2 ,
  • 刘官 3 ,
  • 李波 4 ,
  • 刘洋 5 ,
  • 韦丽金 6 ,
  • 田石磊 7
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  • 1 中北大学机电工程学院,山西 太原 030051
  • 2 中北大学智能武器研究院,山西 太原 030051
  • 3 西安机电信息技术研究所,陕西 西安 710065
  • 4 中国兵器工业试验测试研究院,陕西 华阴 714200
  • 5 北方信息控制研究院集团有限公司,江苏 南京 211153
  • 6 晋西工业集团有限责任公司,山西 太原 030027
  • 7 河北第二机械工业有限公司,河北 石家庄 050031
印立魁(1984—),男,副教授,博士,研究方向:弹箭系统仿真。

王琪波(1995—),男,硕士研究生,研究方向:战斗部毁伤评估技术。

收稿日期: 2023-08-18

  网络出版日期: 2024-12-30

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Research on the Formation and Penetration Efficiency of a Shaped Liner with Multiple Fins EFP

  • WANG Qibo 1, 2 ,
  • YIN Likui 2 ,
  • CHEN Zhigang 2 ,
  • LIU Guan 3 ,
  • LI Bo 4 ,
  • LIU Yang 5 ,
  • WEI Lijin 6 ,
  • TIAN Shilei 7
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  • 1 School of Mechatronics Engineering,North University of China,Taiyuan 030051,Shanxi, China
  • 2 Institute of Intelligent Weapons,North University of China,Taiyuan 030051,Shanxi, China
  • 3 Xi'an Institute of Electromechanical Information Technology,Xi'an 710065,Shaanxi, China
  • 4 Test and Measuring Academy of China Ordnance Industries,Huayin 714200,Shaanxi, China
  • 5 North Information Control Research Academy Group Co., Ltd.,Nanjing 211153,Jiangsu, China
  • 6 Jinxi Industries Group Co., Ltd.,Taiyuan 030027,Shanxi, China
  • 7 Hebei Second Machinery Industry Co., Ltd.,Shijiazhuang 050031,Hebei, China

Received date: 2023-08-18

  Online published: 2024-12-30

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摘要

为获得具有良好气动外形和毁伤效果的爆炸成型弹丸(EFP),基于EFP的成型理论,提出一种可形成多尾翼EFP的异形药型罩,并通过控制变量法研究其结构参数对EFP成型形态、威力特性和气动特性的影响规律。仿真结果表明:异形罩能可靠形成尾翼EFP;对于尾翼EFP的成型,半径比影响弹丸形态的转化;厚度比影响尾翼的形成位置和大小;圆弧半径比影响翼尖位置。通过因素影响程度分析可知,对于弹丸威力特性,厚度比为主要影响因素;对于弹丸气动特性,圆弧半径比为主要影响因素。对比靶板侵彻结果,异型侵彻体对靶板的通径提高19.24%,可产生更多靶后破片。研究结论可为尾翼EFP设计提供参考依据。

关键词： 尾翼; EFP; 药型罩结构参数; 靶后破片

本文引用格式

王琪波 , 印立魁 , 陈智刚 , 刘官 , 李波 , 刘洋 , 韦丽金 , 田石磊 . 一种异形罩多尾翼EFP成型及其侵彻效能研究[J]. 弹箭与制导学报, 2023 , 43(6) : 29 -36 . DOI: 10.15892/j.cnki.djzdxb.2023.06.005

Abstract

In order to obtain explosively formed projectiles (EFP) with good aerodynamic shape and damage effects, based on the forming theory of EFP, a shaped charge cover that can form multi fins EFP is proposed. The influence of its structural parameters on the EFP forming form, power characteristics, and aerodynamic characteristics is studied through the control variable method. The simulation results show that the shaped cover can reliably form the fins EFP. For the formation of fins wing EFP, the radius ratio affects the transformation of projectile shape; The thickness ratio affects the formation position and size of the tail wing; The arc radius ratio affects the position of the fins tip. Through the analysis of the degree of influence of factors, it can be concluded that for the power characteristics of the projectile, the thickness ratio is the main influencing factor; For the aerodynamic characteristics of projectiles, the arc radius ratio is the main influencing factor. Compared with the penetration results of the target plate, the diameter of the irregular penetrator on the target plate is increased by 19.24%, which can generate more fragments behind the target. The research conclusion can provide a reference basis for the design of the fins EFP.

Key words： fins wing; EFP; structural parameters of liner; behind-armor debris

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