深水域近水面水下爆炸水柱形态及演变实验研究

李梅; 魏继锋; 王树山; 马峰

doi:10.11858/gywlxb.2013.01.009

深水域近水面水下爆炸水柱形态及演变实验研究

doi: 10.11858/gywlxb.2013.01.009

北京理工大学爆炸科学与技术国家重点实验室，北京 100081

详细信息

通讯作者:
李梅 E-mail:pulmmay@163.com

计量
- 文章访问数: 7177
- HTML全文浏览量: 367
- PDF下载量: 333
出版历程
- 收稿日期: 2011-09-19
- 修回日期: 2011-10-24
- 发布日期: 2013-02-15

Experimental Study on Shape and Evolution of Water Column Caused by Near Surface Explosion in Deep Water Area

State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, China

摘要

摘要: 为研究不同起爆深度的水下爆炸水柱形态及演变特征，进行了1 kg球形RDX装药在不同起爆深度下的海上爆炸实验，通过高速摄像机记录装药起爆后水柱的形成和成长过程，获得了喷射水柱形态的演变特征以及水柱高度、直径、水柱突出水面时间等参数的变化规律，并与Cole、Hole和Swisdak等人的研究结果进行对比分析。研究结果表明：对于深水域近水面水下爆炸，水柱以垂直喷射形态为主，当气泡在膨胀阶段到达水面时水柱存在微弱的径向飞散现象；水柱最大高度随起爆深度呈脉动变化，水柱直径随起爆深度线性减小；Swisdak关于水柱最大高度的计算公式不适用深水域近水面水下爆炸情况。
- 水下爆炸 /
- 水柱 /
- 起爆深度 /
- 高速摄像
Abstract: In order to investigate the shape and evolution process of water column caused by a near surface explosion in deep water situation, underwater explosion experiments with 1 kg of RDX charge at different detonation depths are carried out using a high-speed camera. The evolution characteristics and parameters of water columns including the height, width and prominent time are obtained and compared with those published by Cole, Hole and Swisdak et al. The results show that vertical ejection is the main shape of water column, and a few additional radial ejections occur when the bubble reaches the free surface at its expanding phase. The maximum height of water column fluctuates with the explosion depth, while the width of water column decreases linearly. Empirical formula of water column height by Swisdak is not suitable to near surface underwater explosion in deep water situation.
- underwater explosion /
- water column /
- detonation depth /
- high speed photography

HTML全文

参考文献(13)

Higdon C E. Water barrier ship self-defense concept, ADA294929 [R]. Dahlgren, USA: Naval Surface Warfare Center, 1994: 142-155.

Wang Y, Zhang L, Shi S H, et al. Review of shock-resistance technology of naval ship for underwater non-contact explosion [J]. Science Technology Review, 2007, 27(14): 19-22. (in Chinese)

汪玉, 张磊, 史少华, 等. 舰船水下非接触爆炸抗冲击技术综述 [J]. 科技导报, 2007, 27(14): 19-22.

Li S H. Study on fluid motion under shallow water explosion [D]. Beijing: Institute of Mechanics, Chinese Academy of Sciences, 1990. (in Chinese)

李世海. 浅水中爆炸流体运动规律的理论及实验研究 [D]. 北京: 中国科学院力学研究所, 1990.

Cole R H. Underwater Explosions [M]. Princeton, USA: Princeton University, 1948.

Swisdak M M. Explosion effects and properties: Part Ⅱ. Explosion effects in water, ADA056694 [R]. Dahlgren, USA: Naval Surface Weapons Center, 1978.

Chahine G L, Frederick G S, Lambrecht C J, et al. Spark-generated bubbles as laboratory-scale models of underwater explosions and their use for validation of simulation tools [C]//SAVIAC Proceedings of the 66th Shock and Vibrations Symposium, Biloxi, USA, 1995, 2: 265-276.

Gibson D C, Blake J R. Growth and collapse of cavitation bubbles near flexible boundaries [C]//Proceedings of the 7th Australasian Conference on Hydraulics and Fluid Mechanics, Brisbane, Australia, 1980: 283-286.

Blake J R, Gibson D C. Growth and collapse of a vapour cavity near a free surface [J]. Fluid Mech, 1981, 111: 123-140.

Mader C L. Oscillations near the water surface, LA-4958 [R]. Los Alamos, USA: Los Alamos Scientific Laboratory, 1972.

Craig B G. Experimental observation of underwater explosion near the surface, LA-5548-MS [R]. Los Alamos, USA: Los Alamos Scientific Laboratory, 1974.

Kedrinskii V K. Surface effect from an underwater explosion (review) [J]. Shurnal Prikladni Mekhankiki Technicheski Fiziki, 1978, 4: 66-87.

施引文献

资源附件(0)

访问统计