|本期目录/Table of Contents|

[1]李欣,张剑,朱斯陶.壳体缓释技术对带壳装药慢速烤燃反应烈度的缓解作用研究*[J].中国安全生产科学技术,2023,19(4):128-134.[doi:10.11731/j.issn.1673-193x.2023.04.018]
　LI Xin,ZHANG Jian,ZHU Sitao.Study on mitigation effect of shell slow-release technology on reaction intensity of shelled charge under slow cook-off[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2023,19(4):128-134.[doi:10.11731/j.issn.1673-193x.2023.04.018]
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壳体缓释技术对带壳装药慢速烤燃反应烈度的缓解作用研究*
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
19
期数:
2023年4期
页码:
128-134
栏目:
职业安全卫生管理与技术
出版日期:
2023-04-30

文章信息/Info

Title:
Study on mitigation effect of shell slow-release technology on reaction intensity of shelled charge under slow cook-off
文章编号:
1673-193X(2023)-04-0128-07
作者:
李欣; 张剑; 朱斯陶
（1.北京理工大学 爆炸科学与技术国家重点实验室，北京 100081；
2.海军研究院，北京 100072；
3.北京科技大学 土木与资源工程学院，北京 100083）
Author(s):
LI Xin;  ZHANG Jian;  ZHU Sitao
(1.State Key Laboratory of Explosion Science and Technology,Beijing Institute of Technology,Beijing 100081,China;
2.Naval Research Institute,Beijing 100072,China;
3.School of Civil and Resources Engineering,University of Science and Technology Beijing,Beijing 100083,China)
关键词:
带壳装药; 反应烈度; 缓释技术; 慢速烤燃; 仿真计算
Keywords:
shelled charge;  reaction intensity;  slow-release technology;  slow cook-off;  simulation calculation
分类号:
X932
DOI:
10.11731/j.issn.1673-193x.2023.04.018
文献标志码:
A
摘要:
为了研究2种典型壳体缓释技术对弹药慢速烤燃响应烈度的缓解作用，基于试验条件分别建立无缓释设计、侧壁加工应力槽和端盖加工泄压孔的带壳PBX装药慢速烤燃仿真模型，提出使用热分解反应动力学模型和燃烧反应模型模拟计算不同约束条件下带壳PBX装药从开始加热发生热分解反应到点火燃烧以及炸药与壳体耦合作用的烤燃过程的计算方法。研究结果表明：通过侧壁加工应力槽以及端盖加工泄压孔的缓释结构设计，可以有效地降低壳体破裂时炸药内部的压力及反应度，以达到缓解反应烈度的目的。
Abstract:
To study the mitigation effect of two typical shell slow-release technology on the reaction intensity of ammunition under slow cook-off,the simulation models of shelled PBX charge under slow cook-off in the cases of without slow-release design,with stress grooves processed on side wall and with pressure relief holes processed on end cover were established respectively based on the test conditions.A calculation method for simulating and calculating the cook-off process of shelled PBX charge from starting to heat,thermal decomposition reaction to ignition and combustion and the coupling effect of explosive and shell under different constraint conditions by using the thermal decomposition reaction kinetic model and combustion reaction model was proposed.The results showed that through the slow-release structure design of processing stress grooves on side wall and processing pressure relief holes on end cover,the pressure and reactivity inside the explosive could be effectively reduced when the shell was broken,so as to mitigate the reaction intensity.

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备注/Memo

备注/Memo:
收稿日期： 2022-12-12；网络首发日期： 2023-01-09
* 基金项目： 国家自然科学基金项目(11772058)
作者简介： 李欣，硕士，主要研究方向为弹药热安全性。
更新日期/Last Update: 2023-05-11