[1]贾伟①②,吴国东①,王志军①,等.药型罩结构对环形爆炸成型弹丸形成的影响[J].爆破器材,2011,40(06):8-11.
　JIA Wei,WU Guodong,WANG Zhijun,et al.Influence of Liner Structure on Forming Process of Annular EFP[J].EXPLOSIVE MATERIALS,2011,40(06):8-11.
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药型罩结构对环形爆炸成型弹丸形成的影响()
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《爆破器材》[ISSN:1001-8352/CN:32-1163/TJ]

卷:
40
期数:
2011年06
页码:
8-11
栏目:
基础理论
出版日期:
2011-12-20

文章信息/Info

Title:
Influence of Liner Structure on Forming Process of Annular EFP
文章编号:
4398
作者:
贾伟①②; 吴国东①; 王志军①; 黄德雨③
①中北大学机电工程学院（山西太原,030051）； ②66352部队（北京，101508）； ③95874部队（江苏南京，210022 )
Author(s):
JIA Wei①②;  WU Guodong①;  WANG Zhijun①;  HUANG Deyu③
①School of Mechatronic Engineering, North University of China (Shanxi Taiyuan, 030051)； ②No. 66352 Troops of PLA (Beijing, 101508)； ③No.95874 Troops of PLA (Jiangsu Nanjing, 210022)
关键词:
聚能装药; 弧锥结合罩; 环形药型罩; 变壁厚; 数值模拟
Keywords:
shaped charge;  arccone liner;  annular liner;  variation thickness;  numerical simulation
分类号:
TJ414+.2
文献标志码:
A
摘要:
针对截面呈弧锥结合状的变壁厚环形药型罩结构，应用非线性有限元软件完成了爆炸载荷下弧锥结合罩形成环形爆炸成型弹丸（EFP）过程的数值模拟。与等壁厚、环锥形、环球形三种情况进行了对比，分析了曲率半径和锥角两种因素对环形EFP成型的影响。结果表明:合理调节药型罩壁厚能有效降低内外罩径向速度差，获得竖直向下的环形EFP；环弧锥结合形EFP比环锥形EFP成型好、速度高、材料利用率高，比环球形EFP密实度好、侵彻能力强；曲率半径和锥角在选择上可进行优化，为进一步研究提供了参考。
Abstract:
In terms of the annular liner with variation thickness which presents arccone shape on its cross section, the formation of annular EFP from arccone liner under explosion load was simulated based on the nonlinear finite element software. The influence on formation by cone angle and curvature radius has been analyzed through comparing arccone liner with 3 different types of liner, which include annular sphere, annular cone and annular arccone with equal thickness. Results showed that the designed liner was able to form annular EFP with vertical downward direction, and the radial velocity difference between inner and outer with liner reduced effectively. Compared to annular sphere EFP, annular arccone ones have the advantages of high speed, better formation and high material utilization. Meanwhile, the annular arccone EFP had have better compactness and penetration than annular ones. Moreover, cone angle and curvature radius could be optimized which provide the reference for further study.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期：2011-04-13 作者简介：贾伟(1984~),男,硕士,研究方向：弹箭仿真技术。
更新日期/Last Update: 2011-12-26