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[1]王凤英,阮光光,刘天生,等.一种新型M形顶部结构药型罩的设计及形成射流的侵彻能力分析[J].火炸药学报,2017,40(4):76-80.[doi:10.14077/j.issn.1007-7812.2017.04.014]
 WANG Feng-ying,RUAN Guang-guang,LIU Tian-sheng,et al.Design of A New M-shaped Top Structrue Liner and Analysis of Penetration Ability of Its Jet Formation[J].,2017,40(4):76-80.[doi:10.14077/j.issn.1007-7812.2017.04.014]
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一种新型M形顶部结构药型罩的设计及形成射流的侵彻能力分析()
     
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《火炸药学报》[ISSN:1007-7812/CN:61-1310/TJ]

卷:
40卷
期数:
2017年第4期
页码:
76-80
栏目:
出版日期:
2017-08-30

文章信息/Info

Title:
Design of A New M-shaped Top Structrue Liner and Analysis of Penetration Ability of Its Jet Formation
作者:
王凤英 阮光光 刘天生 岳继伟 柴艳军 赵海平 吴鹏 周杰
1. 中北大学化工与环境学院, 山西 太原 030051;
2. 武汉高德红外股份有限公司, 湖北 武汉 430205;
3. 安徽方圆机电股份有限公司, 安徽 蚌阜 233010
Author(s):
WANG Feng-ying RUAN Guang-guang LIU Tian-sheng YUE Ji-wei CHAI Yan-jun ZHAO Hai-ping WU Peng ZHOU Jie
1. School of Environment and Chemical Engineering, North University of China, Taiyaun 030051, China;
2. Wuhan Guide Infrared Co., Ltd., Wuhan 430205, China;
3. Anhui Fangyuan Mechanical and Electrical Co., Ltd., Bengbu Anhui 233010, China
关键词:
爆炸力学M形药型罩射流爆轰波聚能装药侵彻
Keywords:
explosion mechanicsM-shape linerjetdetonation waveshaped chargepenetration
分类号:
TJ55;TJ410
DOI:
10.14077/j.issn.1007-7812.2017.04.014
文献标志码:
-
摘要:
在锥角药型罩结构基础上通过改变其顶部结构设计了一种新型M形顶部结构药型罩,并分析了其射流头部的形成机理;采用有限元软件ANSYS/LS-dyna对在爆轰波作用下M形顶部结构药型罩射流的形成过程,以及对45号钢板的侵彻过程进行了数值模拟,并与锥角药型罩、平顶药型罩形成射流的头尾部速度、拉伸长度、杵体大小以及对45号钢板的侵彻能力进行了对比。结果表明,M形顶部结构药型罩的M形顶部结构在爆轰波作用下经二次汇聚形成了射流头部,相同装药条件下,其形成射流的头部速度相比锥角药型罩形成射流的头部速度提高约9.10%,比平顶药型罩形成的射流头部速度提高约 5.56%;其侵彻深度比锥角药型罩提高约10.4%,比平顶药型罩提高约7.28%。
Abstract:
Based on the liner structrues of the cone angle, a new liner structure with M-shaped top structure was designed by changing its top structure, and the formation mechanism of its jet head was analyzed. The numerical simulation of jet formationin process of liner with M-shaped top structrue under the action of detonation wave and the penetration process of No.45 steel plate was performed by using the finite element software ANSYS/LS-dyna, and comparison with the head and end velocity, stretching length, slug size and the penetration ability of No.45 steel plate of the jet formed by the cone angle liner and the flat-top liner was performed. The results show that the top structure of the liner with M-shaped top structure forms jet head at two times convergence under the action of detonation wave. Under the same loading condition, compared with the cone angle liner jet-forming head speed, the M-shaped liner jet-forming head speed is increased by about 9.10% and the flat-top liner jet-forming head speed is increased by about 5.56%, its penetration depth is improved by about 10.40% compared with the cone angle liner, its penetration depth is improved by about 7.28% compared with the flat-top liner liner.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2017-02-23;改回日期:2017-06-01。
基金项目:国家自然科学基金(No.11572292)
作者简介:王凤英(1955-),女,教授,从事弹药工程及武器系统防护工程研究。E-mail:wfyts8271@163.com
更新日期/Last Update: 2017-08-30