[1]唐科①,吴锦涛①,吴立志②,等.某火焰雷管传爆序列的失效机制及优化改进[J].爆破器材,2021,50(04):23-29.[doi:10.3969/j.issn.1001-8352.2021.04.005]
　TANG Ke,WU Jintao,WU Lizhi,et al.Failure Mechanism and Optimization Improvement of Detonation Sequence of a Flame Detonator[J].EXPLOSIVE MATERIALS,2021,50(04):23-29.[doi:10.3969/j.issn.1001-8352.2021.04.005]
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某火焰雷管传爆序列的失效机制及优化改进()
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《爆破器材》[ISSN:1001-8352/CN:32-1163/TJ]

卷:
50
期数:
2021年04
页码:
23-29
栏目:
爆炸材料
出版日期:
2021-07-07

文章信息/Info

Title:
Failure Mechanism and Optimization Improvement of Detonation Sequence of a Flame Detonator
文章编号:
5573
作者:
唐科①; 吴锦涛①; 吴立志②; 沈瑞琪②
①北京宇航系统工程研究所（北京，100076）
②南京理工大学化学与化工学院（江苏南京，210094)
Author(s):
TANG Ke①;  WU Jintao①;  WU Lizhi②;  SHEN Ruiqi②
①Beijing Institute of Astronautical Systems Engineering (Beijing, 100076)
②School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology (Jiangsu Nanjing, 210094)
关键词:
火焰雷管; 燃烧转爆轰; 冲击波; 传爆失效
Keywords:
flame detonator;  DDT;  shock wave;  detonation failure
分类号:
TJ4;V19
DOI:
10.3969/j.issn.1001-8352.2021.04.005
文献标志码:
A
摘要:
研究了某传爆序列中火焰雷管燃烧转爆轰（DDT）过程失效的问题。通过分析高能烟火药剂点火器的输出特征，获得了冲击波、燃烧波与传播距离的关系，发现点火器和火焰雷管距离越近，冲击波越先于火焰燃烧波到达火焰雷管端面，继而对火焰雷管结构强度产生影响。增大引爆距离和缩小传爆通道孔径，均能有效地衰减冲击波对火焰雷管结构强度的影响，从而保证传爆序列在火焰作用后形成正常的DDT过程。
Abstract:
Termination of deflagration to detonation (DDT) process in a flame detonator was studied. By analyzing the output characteristics of highenergy pyrotechnic igniter, the relationship between shock wave, combustion wave and propagation distance was obtained. It is found that the closer the distance between igniter and flame detonator is, the more the shock wave reaches the end face of flame detonator before the combustion wave, which affects the structural strength of the flame detonator. The influence of shock wave on the structure of flame detonator can be effectively attenuated by increasing the detonation distance or reducing the diameter of detonation passage, so as to ensure the normal DDT process of detonation sequence after the action of flame.

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备注/Memo

备注/Memo:
收稿日期：2021-02-18
第一作者：唐科（1982-），男，高级工程师，主要从事火工系统及装置的研究。E-mail:88326970@qq.com
更新日期/Last Update: 2021-07-08