[1]张波涛①,岳亚军②,姜林②.悬挂式矩形水墙对爆炸冲击波削减效果的实验研究[J].爆破器材,2024,53(02):34-43.[doi:10.3969/j.issn.1001-8352.2024.02.006]
　ZHANG Botao,YUE Yajun,JIANG Lin.Experimental Study on the Reduction Effect of Suspended Rectangular Water Walls on Explosion Shock Waves[J].EXPLOSIVE MATERIALS,2024,53(02):34-43.[doi:10.3969/j.issn.1001-8352.2024.02.006]
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悬挂式矩形水墙对爆炸冲击波削减效果的实验研究()
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《爆破器材》[ISSN:1001-8352/CN:32-1163/TJ]

卷:
53
期数:
2024年02
页码:
34-43
栏目:
爆炸材料
出版日期:
2024-04-03

文章信息/Info

Title:
Experimental Study on the Reduction Effect of Suspended Rectangular Water Walls on Explosion Shock Waves
文章编号:
5867
作者:
张波涛①; 岳亚军②; 姜林②
①中国兵器工业集团江山重工研究院有限公司（湖北襄阳，441100）
②南京理工大学机械工程学院（江苏南京，210094）
Author(s):
ZHANG Botao①;  YUE Yajun②;  JIANG Lin②
①Jiangshan Heavy Industry Research Institute Co., Ltd, China North Industries Group (Hubei Xiangyang, 441100)
②School of Mechanical Engineering, Nanjing University of Science and Technology (Jiangsu Nanjing, 210094)
关键词:
悬挂式矩形水墙; 爆炸冲击波; 水墙厚度; 削减效果
Keywords:
suspended rectangular water wall;  explosion shock wave;  thickness of water wall;  reduction effect
分类号:
O383
DOI:
10.3969/j.issn.1001-8352.2024.02.006
文献标志码:
A
摘要:
为探究开放空间中水对爆炸冲击波的削减效果，基于水平激波管搭建了冲击波与悬挂式矩形水墙相互作用的实验平台，在水墙近场位置开展了8组实验。利用高速纹影测试系统记录冲击波与水墙的相互作用过程，并研究水墙厚度对水墙破碎效果以及运动速度的影响。利用压力测试系统记录水墙后方的压力变化，并结合高速纹影测试结果进行分析。结果表明：水墙后方的压力变化与冲击波的反射、透射以及绕射现象无关，主要取决于水墙产生的冲击作用；动量提取为悬挂式矩形水墙的主要减爆机制；水墙对冲击波峰值压力具有明显的削减效果，且随着水墙厚度的减小，对峰值压力的削减效果逐渐增加；水墙对峰值冲量的削减效果并不明显。
Abstract:
To investigate the reduction effect of water on explosion shock waves in open spaces, an experimental platform was constructed based on a horizontal shock tube for the interaction between shock waves and suspended rectangular water walls. Eight sets of experiments were conducted at the near-field position of the water wall. The process of interaction between shock waves and water walls was recorded using a high-speed schlieren testing system, and the influence of water wall thickness on wall fragmentation and velocity was investigated. A pressure testing system was used to record the pressure changes behind the water wall, and the results were analyzed in conjunction with the highspeed schlieren imaging data. The results show that the pressure changes behind the water wall are not related to the reflection, transmission, and diffraction phenomena of shock waves, but mainly depend on the impact effect generated by the water wall. Momentum extraction is the main explosion reduction mechanism for suspended rectangular water walls. The water wall has a significant reduction effect on the peak pressure of the shock wave, and as the thickness of the water wall decreases, the reduction effect on the peak pressure gradually increases. However, the reduction effect on the peak impulse is not significant.

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备注/Memo

备注/Memo:
收稿日期：2023-07-12
第一作者：张波涛（1977— ），男，研究员，主要从事爆炸力学和冲击动力学相关的研究。E-mail：zbt1022023@163.com
通信作者：姜林（1990— ），男，博士，副教授，主要从事铝热剂燃烧和爆炸力学相关的研究。E-mail：ljiang@njust.edu.cn
更新日期/Last Update: 2024-04-02