Discharge electrode configuration effects on the performance of a plasma sparker

Yanliang PEI (裴彦良); Liancheng ZHANG (张连成); Yifan HUANG (黄逸凡); Hui YAN (严辉); Xinlei ZHU (朱鑫磊); Zhen LIU (刘振); Keping YAN (闫克平)

doi:10.1088/2058-6272/aa7332

Plasma Science and Technology > 2017 > 19(9): 95401-095401. > DOI: 10.1088/2058-6272/aa7332

Yanliang PEI (裴彦良), Liancheng ZHANG (张连成), Yifan HUANG (黄逸凡), Hui YAN (严辉), Xinlei ZHU (朱鑫磊), Zhen LIU (刘振), Keping YAN (闫克平). Discharge electrode configuration effects on the performance of a plasma sparker[J]. Plasma Science and Technology, 2017, 19(9): 95401-095401. DOI: 10.1088/2058-6272/aa7332

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Discharge electrode configuration effects on the performance of a plasma sparker

1 Key Laboratory of Marine Sedimentology and Environmental Geology, First Institute of Oceanography, SOA, Qingdao 266061, People’s Republic of China 2 Laboratory for Marine Geology, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266061, People’s Republic of China 3 Institute of Industrial Ecology and Environment, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310028, People’s Republic of China

Funds: This work was supported by the National Key R&D Program of China under Grant 2016YFC0303901; NSFC with grant numbers: U1606401, 41476080, 21276232 and 51377145; Public Science and Technology Research Funds Projects of Ocean with grant number: 201405036-2; NSF of Zhejiang Province with grant number: LQ14D060004, LY13E070002 and 2014C33022, and Program for Zhejiang Leading Team of S&T Innovation with grant number: 2013TD07; and Research Fund for the Taishan Scholar Project of Shandong Province with grant number: TSPD20161007.

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Received Date: January 19, 2017

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Abstract

Abstract

A multi-electrode array is commonly applied in a plasma sparker to generate stable acoustic pulses. In this paper, the effects of the electrode configuration on the performance of a plasma sparker have been investigated. In terms of the load electrical characteristics, the electrode radius and distance have negligible influence on the electric characteristics, whereas a larger electrode number results in a smaller voltage and a larger current but has little effect on the load energy. Regarding the acoustic characteristics, both the expansion and collapse pulses can be increased by decreasing the electrode tip radius. the influence of the electrode number and electrode gap distance on the amplitude of the expansion pulse was found to be negligible. And the amplitude of the collapse pulse decreases significantly with increasing electrode number. Increasing the electrode number decreases the energy efficiency for intense bubble interactions, thus, a small electrode tip radius and a small electrode number are preferred for the design of a plasma sparker if the total discharge energy is given.
- pulsed discharge,
- plasma sparker,
- acoustic puls,
- multi-electrode array,
- electrode con?guration

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References (12)

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