[1]徐敏潇,刘大斌,吴秋洁.二次起爆条件对小型燃料空气炸药爆轰参数的影响[J].爆破器材,2017,46(02):11-15.[doi:10.3969/j.issn.1001-8352.2017.02.003]
　XU Minxiao,LIU Dabin,WU Qiujie.Influence of Re-initiation on Detonation Parameters of Small Scale Fuel-air Explosive[J].EXPLOSIVE MATERIALS,2017,46(02):11-15.[doi:10.3969/j.issn.1001-8352.2017.02.003]
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二次起爆条件对小型燃料空气炸药爆轰参数的影响()
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《爆破器材》[ISSN:1001-8352/CN:32-1163/TJ]

卷:
46
期数:
2017年02
页码:
11-15
栏目:
基础理论
出版日期:
2017-03-21

文章信息/Info

Title:
Influence of Re-initiation on Detonation Parameters of Small Scale Fuel-air Explosive
文章编号:
5115
作者:
徐敏潇; 刘大斌; 吴秋洁
南京理工大学化工学院（江苏南京，210094）
Author(s):
XU Minxiao;  LIU Dabin;  WU Qiujie
School of Chemical Engineering, Nanjing University of Science and Technology (Jiangsu Nanjing, 210094)
关键词:
燃料空气炸药(FAE); 二次起爆药质量; 起爆方式; 爆炸超压
Keywords:
fuel-air explosive (FAE);  charge weight of re-initiation;  initiation ways;  explosion overpressure
分类号:
TQ56;O38
DOI:
10.3969/j.issn.1001-8352.2017.02.003
文献标志码:
A
摘要:
对装药主要由铝粉和环氧丙烷组成的3 kg级液固燃料空气炸药(FAE)进行静爆场试验，研究了不同二次起爆药（钝化黑索今）质量及多点起爆方式下FAE的爆炸情况，探讨了爆炸超压的变化规律。结果表明，在一定范围内增加二次起爆药质量能提高FAE爆炸超压，二次起爆方式的改变对FAE爆炸超压的影响较小。在二次起爆药质量较小的情况下，FAE抛散形成的云雾中,部分燃料在较低起爆能的激发下无法充分燃烧，甚至不能被点燃，存在爆炸不良效应。二次起爆药质量为120 g时,FAE的爆炸空中超压峰值是二次起爆药质量为60 g时的2.80~6.41倍，此时爆炸场超压趋于稳定。建议采用质量为120 g的起爆药柱作为二次起爆药来进行3 kg级液固型FAE的爆炸试验。研究结果有助于小型FAE试验中二次起爆药质量的选择，促进燃料的高效反应。
Abstract:
A static burst test was carried out on 3 kg liquid-solid fuel-air explosive (FAE) composed of aluminum powder and epoxy propane. Explosion of FAE with different charge (desensitized RDX) weights of the re-initiation and different multi-point initiation mode was studied and change in the explosion overpressure of FAE was also discussed. Test results show that, increasing the weight of re-initiation charge could improve the overpressure of FAE, and changing of multi-point initiation mode has low influence on the overpressure of FAE. Part of fuel in the clouds of FAE could not burn fully under the excitation of low initiation energy, and there are bad effects on explosion. Overpressure peak value of the FAE with 120 g re-initiation charge is 2.80 to 6.41 times of the overpressure peak value of the FAE with 60 g re-initiation charge. It is suggested that charge weight of the re-initiation reached to 120 g in the static burst test of 3 kg liquid-solid FAE. The research would greatly enhance the burning rate of fuel in the explosion test of FAE.

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备注/Memo

备注/Memo:
收稿日期：2016-09-05
作者简介：徐敏潇（1982－），男，博士研究生，主要从事火炸药研究。E-mail：xuminxiao@163.com
通信作者：刘大斌（1963－），男，研究员，博导，主要从事含能材料方面的研究。E-mail：dabin63@vip.sina.com
更新日期/Last Update: 2017-03-20