[1]魏俊茹①,谢木阳②,吕春玲①,等.典型单基发射药的冲击波感度特性[J].爆破器材,2025,54(04):23-27，32.[doi:10.3969/j.issn.1001-8352.2025.04.004]
　WEI Junru,XIE Muyang,L Chunling,et al.Shock Wave Sensitivity Characteristics of Typical Single Base Propellants[J].EXPLOSIVE MATERIALS,2025,54(04):23-27，32.[doi:10.3969/j.issn.1001-8352.2025.04.004]
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典型单基发射药的冲击波感度特性(/HTML)

《爆破器材》[ISSN:1001-8352/CN:32-1163/TJ]

卷:
54
期数:
2025年04
页码:
23-27，32
栏目:
爆炸材料
出版日期:
2025-07-08

文章信息/Info

Title:
Shock Wave Sensitivity Characteristics of Typical Single Base Propellants
文章编号:
6021
作者:
魏俊茹①; 谢木阳②; 吕春玲①; 左霖玮①
①中北大学环境与安全工程学院（山西太原，030051）
②泸州北方化学工业有限公司（四川泸州，646003）
Author(s):
WEI Junru①;  XIE Muyang②;  Lǔ Chunling①;  ZUO Linwei①
①School of Environmental and Safety Engineering, North University of China (Shanxi Taiyuan, 030051)
②Luzhou North Chemical Industry Co., Ltd. (Sichuan Luzhou, 646003)
关键词:
单基发射药; 冲击波感度; 约束强度; 装填密度; 药型
Keywords:
single base propellant;  shock wave sensitivity;  restraint strength;  loading density;  propellant shape
分类号:
TQ562；TJ55
DOI:
10.3969/j.issn.1001-8352.2025.04.004
文献标志码:
A
摘要:
为研究发射药对冲击波的响应特性，设计了发射药冲击波感度的试验方法。在此基础上，开展了3/1Z、4/7S、DF-12和DF-14等4种单基药的冲击波感度试验。结果表明：随着装药约束强度的增加，发射药点火后的燃烧反应产物压力积聚，推进了由燃烧向爆轰反应区的过渡，导致冲击波感度呈明显增大趋势；装填密度增大时，单基发射药的冲击波感度有显著提高。装填空隙对入射冲击波能量传递的阻碍和损耗，降低了发射药本体实际接收的冲击波能量；同时，初始点火后的燃烧反应释放能量会因孔隙稀疏而无法积聚成长为爆轰反应。发射药药型对冲击波感度有显著影响，尤其是药粒的高比表面积对于冲击点火后的燃速起到了决定性的作用，促进了高速燃烧向爆轰化学反应区的过渡。
Abstract:
In order to study the response characteristics of propellants to shock waves, a test method for the shock wave sensitivity of propellants was designed. On this basis, shock wave sensitivity tests were conducted on four single base propellants, including 3/1Z, 4/7S, DF-12, and DF-14. The results show that with the increase of restraint strength of the charge, the pressure accumulation of combustion reaction products after ignition of the propellant promotes the transition from combustion to detonation reaction zone, resulting in a significant increase in shock wave sensitivity. When the loading density increases, the shock wave sensitivity of single base propellants is significantly improved. The obstruction and loss of energy transfer of incident shock waves caused by loading gaps reduce the actual shock wave energy received by the propellant body. Meanwhile, the released energy from the combustion reaction after initial ignition will be sparse by the gaps and cannot accumulate into a detonation reaction. The shape of propellant has a significant impact on shock wave sensitivity, especially the high specific surface area of the propellant particles plays a decisive role in the combustion rate after impact ignition, promoting the transition from high-speed combustion to the chemical reaction zone of detonation.

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备注/Memo

备注/Memo:
收稿日期：2025-03-08
基金项目：国家重大专项（XX6）
第一作者：魏俊茹（2001—），女，硕士研究生，主要研究方向为含能材料测试技术。E-mail: 1273939970@qq.com
通信作者：吕春玲（1970—），女，副教授，主要研究方向为含能材料测试和火炸药安全评价技术。E-mail: lcl71@126.com
更新日期/Last Update: 2025-07-08