ICCD-imaging of a plasma glow during the prebreakdown stage of nanosecond discharges at both polarities in nitrogen, air and argon

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ICCD-imaging of a plasma glow during the prebreakdown stageof nanosecond discharges at both polarities in nitrogen, air and argon	765 KB	Adobe Acrobat PDF	Read	Download
DOI Доступ к ресурсу на сайте издателя			10.1088/1742-6596/927/1/012010

Title: ICCD-imaging of a plasma glow during the prebreakdown stage of nanosecond discharges at both polarities in nitrogen, air and argon
Creator: Lomaev, Mikhail I.
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Tarasenko, Viktor Fedotovich
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Sorokin, Dmitry A.
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Beloplotov, Dmitry V.
Date: 2017
DOI: 10.1088/1742-6596/927/1/012010
Description: Dynamics of a plasma glow during the prebreakdown stage of a nanosecond discharge in the «cone-to-plane» gap with length of d = 3 mm was investigated with a HSFC PRO 12-bit four-channel ICCD camera. The gap was filled with nitrogen, air, argon. Gas pressure was ranged from 12,5 to 400 kPa. Voltage pulses of negative (U = 25 kV, τ0,5 = 3 ns, τ0,1–0,9 = 0,7 ns) and positive (U = 25 kV, τ0,5 = 10 ns, τ0,1–0,9 = 3 ns) polarities were applied across the gap. Images of the plasma glow at different stages of streamer formation are presented. It was established that a diffuse discharge is formed due to formation of a large streamer. It was found that plasma appears at a certain distance from the conical electrode at both polarities. These and other features of streamer formation are discussed.

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collection(s): Физический факультет | Радиофизический факультет | Факультет инновационных технологий
Identifier: смотреть в электронном каталоге НБ ТГУ
Type: статьи в журналах
Source: Journal of Physics: Conference Series. 2017. Vol. 927. P. 012010 (1-5)
Language: eng

Created: 03-12-2018

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Радиофизический факультет ICCD-imaging of a plasma glow during the prebreakdown stage of nanosecond discharges at both polarities in nitrogen, air and argon