|本期目录/Table of Contents|

[1]程宇腾,林秋汉,李席,等.壳体约束强度对温压炸药空中爆炸性能的影响[J].火炸药学报,2016,39(6):20-25.[doi:10.14077/j.issn.1007-7812.2016.06.003]
 CHENG Yu-teng,LIN Qiu-han,LI Xi,et al.Influence of Constraint Strength of Shells on the Performance of Thermobaric Explosives Blasting in the Air[J].,2016,39(6):20-25.[doi:10.14077/j.issn.1007-7812.2016.06.003]
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壳体约束强度对温压炸药空中爆炸性能的影响()
     
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《火炸药学报》[ISSN:1007-7812/CN:61-1310/TJ]

卷:
39卷
期数:
2016年第6期
页码:
20-25
栏目:
出版日期:
2016-12-26

文章信息/Info

Title:
Influence of Constraint Strength of Shells on the Performance of Thermobaric Explosives Blasting in the Air
作者:
程宇腾 林秋汉 李席 詹高澍 贾辉
1. 南京理工大学, 江苏 南京 210094;
2. 福建兵工装备有限公司, 福建 三明 366000
Author(s):
CHENG Yu-teng LIN Qiu-han LI Xi ZHAN Gao-shu JIA Hui
1. Nanjing University of Science and Technology, Nanjing 210094, China;
2. Fujian Ordnance Equipment CO., LTD, Sanming Fujian 366000, China
关键词:
爆炸力学壳体约束强度温压炸药数值模拟后燃峰冲击波超压静爆试验
Keywords:
explosion mechanicsconstraint strength of shellsthermobaric explosivenumerical simulationafter-burning peakshock wave pressurestatic blasting experiment
分类号:
TJ55;O38
DOI:
10.14077/j.issn.1007-7812.2016.06.003
文献标志码:
-
摘要:
为评估壳体约束强度对温压炸药爆炸性能的影响,对不同壳体约束强度下的固体温压炸药进行野外静爆试验,用AUTODYN软件对该过程进行数值模拟,并与试验结果进行对比。结果表明,相同装药条件下,裸装药爆炸冲击波参数值、冲击波衰减速率和后燃峰压力值大于带壳装药;铝壳体装药爆炸冲击波参数值、冲击波衰减速率和后燃峰压力值较钢壳体装药高;数值模拟得到的冲击波曲线形态、峰值及冲量与试验结果吻合较好,且裸装药爆炸冲击波的后燃峰到达时间较带壳装药早,铝壳体装药爆炸冲击波的后燃峰到达时间较钢壳体早;初始冲击波超压值受壳厚影响较大,壳体的存在使冲击波的传播滞后。
Abstract:
To assess the influence of constraint strength of shells on the blasting performance of thermobaric charge, the static blasting experiment in air of solid thermobaric explosive under the constraint strength of different shells was carried out. The numerical simulation of the process was performed by AUTODYN software.The simulated results were compared with the test ones. The results show that the shock wave parameters, shock wave decay rate and after-burning pressure of charges without shell are higher than those of the explosives with shell under the same charging volume condition, and the shock wave parameters, after-burning pressure and shock wave decay rate of charges with aluminum shell are higher than those of charges with steel shells. The shock wave curve shape, peak and impulse obtained by numerical simulation are in good agreement with the experimental results. The arrival time of after-burning peak of explosion shock wave of charges without shell is earlier than that of charges with shells, and the arrival time of after-burning peak of explosion shock wave of charges with aluminum shell is earlier than that of charges with steel shell. The thickness of the shells have a larger impact on initial shock wave overpressure and the metal shells delay the spread of shock wave.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2016-04-07;改回日期:2016-05-04。
基金项目:江苏省自然科学基金资助项目(No.BK20150780)
作者简介:程宇腾(1992-),男,硕士研究生,从事爆炸输出特性研究.E-mail:458717393@qq.com
通讯作者:林秋汉(1985-),男,博士,从事爆炸理论及其应用研究.E-mail:Linqh@njust.edu.cn
更新日期/Last Update: 1900-01-01