Characteristics of energy deposition in underwater electrical explosion of copper wire

Qing, 周庆 Zhou; Qiaogen, 张乔根 Zhang; Jun, 张军 Zhang; Junping, 赵军平 Zhao; Lei, 庞磊 Pang; Hu, 王虎 Wang; Jiasen, 常家森 Chang

doi:10.3788/hplpb20122403.0505

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Comparison and analysis of shockwave characteristics between underwater pulsed discharge and metal wire explosion

et al. 2020

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In order to study the difference in energy conversion efficiency of the shockwaves induced by the expansion of the plasma channel generated by underwater metal wire explosion (MWE) and subsonic streamer breakdown discharge (SSBD), a test stand was constructed, and the experimental results were obtained based on the condition that the voltages of the two discharge modes were the same at the time of the formation of plasma channels. The results showed that the peak value of shockwaves induced by the expansion of the channel and the energy conversion efficiency of MWE were much higher than those of SSBD. The reason lies in the difference in the injected power at the formation moment of the plasma channel and the difference in the time distribution of energy deposited into channels.

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Comparison and analysis of shockwave characteristics between underwater pulsed discharge and metal wire explosion

et al. 2020

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Optimization research of passive electromagnetic armor plate spacing based on electro-explosion

Youtian

Lü

et al. 2014

2014 17th International Symposium on Electromagnetic Launch Technology

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In order to explore optimal plate spacing, based on the principle analysis of passive electromagnetic armor system, and combined with the mathematical model of the time of pulse current acting on shaped charge jet is established based on the virtual origin concept, the effect which the armor plate spacing had on the shaped charge jet acting time is analyzed. Combined with the specific action model, the numerical value of specific action variation rules along with passive electromagnetic armor plate spacing are analyzed by Matlab. The results show that: there is a most optimal choice of armor plate spacing, which could make the peak value of shaped charge jet specific action reach to the maximum.

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Characteristics of energy deposition in underwater electrical explosion of copper wire

Cited by 2 publications

References 0 publications

Comparison and analysis of shockwave characteristics between underwater pulsed discharge and metal wire explosion

Comparison and analysis of shockwave characteristics between underwater pulsed discharge and metal wire explosion

Optimization research of passive electromagnetic armor plate spacing based on electro-explosion

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