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Microsecond Electrical Discharge in Water in Plate-to-Plate Configuration With Nitrogen Bubble Injection
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SYSNO ASEP 0459876 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Microsecond Electrical Discharge in Water in Plate-to-Plate Configuration With Nitrogen Bubble Injection Author(s) Stelmashuk, Vitaliy (UFP-V) RID Source Title IEEE Transactions on Plasma Science. - : Institute of Electrical and Electronics Engineers - ISSN 0093-3813
Roč. 44, č. 4 (2016), s. 702-707Number of pages 6 s. Publication form Print - P Language eng - English Country US - United States Keywords Electric breakdown ; plate electrodes ; underwater discharge Subject RIV BL - Plasma and Gas Discharge Physics Institutional support UFP-V - RVO:61389021 UT WOS 000374163700017 EID SCOPUS 84960153119 DOI 10.1109/TPS.2016.2529852 Annotation In this paper, a new method of generation of an electrical discharge in water using plate electrodes is proposed. The electrical discharge in plate-to-plate configuration cannot be easily generated because of a low uniform electrical field. A nitrogen bubble is injected into one of the electrodes to create a favorable condition for electrical breakdown. The generated electrical discharge is studied using a high-speed framing camera. Two interesting effects have been observed. First, the discharge is preferentially initiated on the cathode. Second, the positive streamer reveals nontypical morphology. The physical mechanisms of discharge initiation and positive streamer propagation are discussed Workplace Institute of Plasma Physics Contact Vladimíra Kebza, kebza@ipp.cas.cz, Tel.: 266 052 975 Year of Publishing 2017
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