条形药包冲击波峰值超压工程计算模型CALCULATION MODEL FOR PEAK PRESSURES OF SHOCK WAVE FROM LINEAR CHARGES
周睿,冯顺山,吴成
ZHOU Rui,FENG Shun shan,WU Cheng (Beijing Institute of Technology, Beijing 100081,China)
摘要(Abstract):
将条形药包分为起爆端、过渡区、中部和非起爆端几个部分 ,根据等效和相似律原理 ,结合条形药包冲击波压力场特性 ,对这几部分爆炸产生的冲击波的衰减特性进行了研究。对照实验结果 ,并引入修正系数 ,得到了各部分简化计算模型 ,可以推广应用到水中条形药包爆炸。本文提出的简化模型 ,可为实际工程中条形药包水中爆炸冲击波峰值超压的计算提供参考。
A linear charge is divided into a few parts such as priming end,transition section,central section and non priming end On the basis of the principles of explosion equivalence and similitude and in the light of the characteristics of shock wave pressure from a linear charge,the attenuation of shock waves from the explosion of these parts is studied Compared with test results and introduced corrected factors,simplified calculation models for the explosion of these parts in the air are obtained and can be spread to underwater explosion of linear charges The simplified models presented in this paper can be used as a reference for the calculation of peak shockwave pressure from the explosion of underwater linear charges in practical projects
关键词(KeyWords):
条形药包;冲击波;水下爆炸;峰值超压;计算模型
Linear charge; Shock wave; Underwater explosion; Peak shockwave pressure; Calculation model
基金项目(Foundation):
作者(Author):
周睿,冯顺山,吴成
ZHOU Rui,FENG Shun shan,WU Cheng (Beijing Institute of Technology, Beijing 100081,China)
参考文献(References):
- 〔1〕杨年华条形药包爆破机理[R]铁道部科学研究院,1994
- 〔2〕爆炸及其作用编写组爆炸及其作用[M]北京:国防工业出版社,1979
- 〔3〕左宇军条形药室爆破端部距离的确定[J]爆破,1997,14(3):12-15
- 〔4〕MitsuiS,SasakiNSomeexperimentsontheshockwavepressuregeneratedbyunderwaterexplosions[J].JournaloftheIndustrialExplosionsSociety,Japan,1972
- 〔5〕ColeRHUnderwaterexplosion[M]DoverPublication,1965
- 条形药包
- 冲击波
- 水下爆炸
- 峰值超压
- 计算模型
Linear charge - Shock wave
- Underwater explosion
- Peak shockwave pressure
- Calculation model