[1]穆朝民①,任辉启②,李永池①,等.爆炸冲击波在复杂坑道内传播规律的数值研究[J].爆破器材,2008,37(05):1-4.
 Mu Chaomin,Ren Huiqi,Li Yongchi,et al.Numerical Investigation on Blast Shock Wave Propagation in the Complex Tunnel[J].EXPLOSIVE MATERIALS,2008,37(05):1-4.
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爆炸冲击波在复杂坑道内传播规律的数值研究()
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《爆破器材》[ISSN:1001-8352/CN:32-1163/TJ]

卷:
37
期数:
2008年05
页码:
1-4
栏目:
基础理论
出版日期:
2008-10-20

文章信息/Info

Title:
Numerical Investigation on Blast Shock Wave Propagation in the Complex Tunnel
文章编号:
4092
作者:
穆朝民任辉启李永池辛凯
①中国科学技术大学近代力学系(安徽合肥,230026)
②总参工程兵科研三所(河南洛阳,471023)
Author(s):
Mu Chaomin Ren Huiqi Li Yongchi Xin Kai
①Department of Modern Mechanics, University of Science and Technology of China (Anhui Hefei,230026)
② Luoyang Institute of Hydraulic Engineering and Technology (He’nan Luoyang,471023)
关键词:
爆炸力学数值模拟爆炸冲击波复杂坑道
Keywords:
mechanics of explosion numerical simulation blast shock wave complex tunnel
分类号:
O382+.1
文献标志码:
A
摘要:
研究二维爆炸流场中空气冲击波在复杂坑道内传播的机制。对多物质流采用Euler方法和NND格式,对爆轰产物采用JWL状态方程;自行编制二维爆炸模拟计算程序。试验结果与数值模拟基本相符,反映了爆炸冲击波在坑道内传播的详细过程。结果表明:采用穿廊式出入口,可以削弱进入坑道内55%的空气冲击波强度;采用穿廊加扩散室可以削弱进入坑道75%的冲击波强度。
Abstract:
Numerical simulations were carried out study the mechanism of blast shock wave generation and propagation in complex tunnel. Euler equations were solved by the NND scheme in order to capture the blast shock wave propagation and reflection in the tunnel. Two dimension numerical codes were made by using the JWL equation of state for product. Numerical results were in good agreement with experiments. It is shown that the magnitude of blast shock wave can decrease 55% by using covered way, and the magnitude can decrease 75% by using covered way in combination with diffusion chamber.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2008-04-03
更新日期/Last Update: 2015-05-28