[1]章猛华,张 成,阮文俊,等.惯性起爆弹丸内装药摩擦起爆特性[J].弹道学报,2019,(03):36-40.[doi:10.12115/j.issn.1004-499X(2019)03-007]
 ZHANG Menghua,ZHANG Cheng,RUAN Wenjun,et al.Study on Friction Initiation Characteristics of Inertial Initiation Projectiles[J].Journal Of Ballistics,2019,(03):36-40.[doi:10.12115/j.issn.1004-499X(2019)03-007]
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惯性起爆弹丸内装药摩擦起爆特性()
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《弹道学报》[ISSN:1004-499X/CN:32-1343/TJ]

卷:
期数:
2019年03期
页码:
36-40
栏目:
出版日期:
2019-09-30

文章信息/Info

Title:
Study on Friction Initiation Characteristics of Inertial Initiation Projectiles
文章编号:
1004-499X(2019)03-0036-05
作者:
章猛华12张 成3阮文俊2王 健2
1.苏州工业职业技术学院 机电工程系,江苏 苏州 215100; 2.南京理工大学 能源与动力工程学院,江苏 南京 210094; 3.上海宇航系统工程研究所,上海 201109
Author(s):
ZHANG Menghua12ZHANG Cheng3RUAN Wenjun2WANG Jian2
1.Department of Mechanical and Electrical Engineering,Suzhou Institute of Industrial Technology,Suzhou 215100,China; 2.School of Energy and Power Engineering,Nanjing University of Science and Technology,Nanjing 210094,China; 3.Institute of Shanghai Aerospace System Engineering,Shanghai 201109,China
关键词:
爆炸力学 炸药 惯性作用 摩擦起爆 起爆时间
Keywords:
mechanics of explosion explosive inertial impact friction initiation initiation time
分类号:
TJ410; O381
DOI:
10.12115/j.issn.1004-499X(2019)03-007
摘要:
为了对惯性起爆弹丸的起爆特性进行定量分析,对弹丸的撞击起爆过程进行了试验研究。根据炸药的热起爆理论,建立了装药的摩擦起爆模型; 结合LS-DYNA软件对装药的惯性撞击特性进行分析,得到了不同工况下装药的摩擦温升曲线。结果表明:在弹丸能够有效穿透靶板的情况下,弹丸的着靶速度越低,装药所受的惯性冲量越大,装药越容易被起爆。计算得到的钝化RDX与钢惯性体之间的滑动摩擦系数为0.04。将数值计算与试验测量的结果进行了对比分析,验证了摩擦起爆模型的有效性。
Abstract:
To quantitatively analyze the initiation characteristics of inertial initiation projectile,experimental study on the impact initiation process of projectile was carried out. According to the thermal explosion theory of explosive,the frictional initiation model of charge was established. The inertial impact characteristic of the charge was analyzed by combining with LS-DYNA software. The frictional temperature-rise curves of the charge under different operating conditions were obtained. Under the condition of projectile effectively penetrating the target,the slower the projectile impacts the target,the larger the inertial impulse on the charge,and the easier the charge is to be detonated. The sliding friction coefficient between the passivated RDX and the steel inertia body is 0.04. The numerical results were compared with the experimental results,which verified the correctness of friction initiation model.

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备注/Memo

备注/Memo:
收稿日期:2018-12-16
基金项目:国家自然科学基金项目(51305204); 国防预研基金项目(402070207)
作者简介:章猛华(1990- ),男,讲师,博士,研究方向为爆炸与冲击动力学。E-mail:zmhalt@163.com。
更新日期/Last Update: 2019-09-30