Characterization of Different Wire Configurations in Underwater Electrical Explosion

被引：29
|
作者：
Veksler, Dekel [1 ]
Sayapin, Arkady [1 ]
Efimov, Sergey [1 ]
Krasik, Yakov E. [1 ]
机构：
[1] Technion Israel Inst Technol, Dept Phys, IL-32000 Haifa, Israel
来源：
IEEE TRANSACTIONS ON PLASMA SCIENCE | 2009年 / 37卷 / 01期
关键词：
Current; plasma generation; shock waves (SWs); switches; SHOCK-WAVES; CONDUCTIVITY; DENSITY; COPPER; STATE;
D O I：
10.1109/TPS.2008.2006176
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
The results of a study of shock wave (SW) generation by means of underwater electrical wire explosion with different exploding wire configurations and two high-current microsecond and submicrosecond timescale generators are presented. By using a periodical generator discharge, a similar to 85% and similar to 15% of the stored electrical energy was transferred to the exploding wire and energy of the generated water flow, respectively. The energy of the water flow is distributed between its internal (similar to 25%) and kinetic (similar to 75%) energies. It was shown that the exploding wire zigzag configuration, confinement of the SW propagation region, and an increase in the rate of the energy deposition into the exploding wire allow one to increase the SW pressure >= 10 times that attained with microsecond timescale straight wire explosion. The averaged thermophysical properties of nonideal and weakly degenerated plasma formed as a result of the wire explosion were obtained and summarized.
引用
收藏
页码：88 / 98
页数：11
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