An Investigation on the Properties of Underwater Shock Waves Generated in Underwater Explosions of High Explosives

[+] Author and Article Information
S. Itoh, Z. Liu

Department of Mechanical Engineering, Faculty of Engineering, Kumamoto University, 2-39-1 Kurokami, Kumamoto 860, Japan

Y. Nadamitsu

Department of Mechanical Engineering, Faculty of Engineering, Daiichi Industry College, Kokubu, Kagoshima, Japan

J. Pressure Vessel Technol 119(4), 498-502 (Nov 01, 1997) (5 pages) doi:10.1115/1.2842336 History: Received June 06, 1997; Revised July 02, 1997; Online February 11, 2008


A cylinder expansion test for high explosives was carried out to determine JWL parameters. Using the JWL parameters, we carried out numerical simulations of the underwater shock waves generated by the underwater explosion of the high explosives. Our results showed that the behavior of the underwater shock waves at the vicinity of the explosives differs greatly from that far from the explosives. Especially, the strength of the underwater shock wave nearby the explosive rapidly decreases due to the effect of the expansion of the gas products.

Copyright © 1997 by The American Society of Mechanical Engineers
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