Parameters of REP DDs plasma formed during the pulse and pulse-periodic modes in dense gases

doi:10.1117/12.2225192

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2015 | Tarasenko, Viktor Fedotovich

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Title: Parameters of REP DDs plasma formed during the pulse and pulse-periodic modes in dense gases
Creator: Sorokin, Dmitry A.
Creator: Lomaev, Mikhail I.
Creator: Tarasenko, Viktor Fedotovich
Subject: убегающие электроны
диффузные разряды
плазма
плотные газы
Date: 2015
DOI: 10.1117/12.2225192
Description: Main parameters of plasma formed during the pulse and pulse-periodic runaway electron preionized diffuse discharge (REP DD) in argon, nitrogen and air at high pressure were measured. An electron concentration in the plasma of pulse and pulse-periodic REP DD in the elevated pressure argon was determined. Average for pulse value of electron density in the argon plasma of pulse REP DD was ~ 3·1015 cm-3. Dynamics of electron density in the atmospheric-pressure plasma of the argon during the REP DD was determined. Measured average values of an electron concentration in the plasma of the pulse-periodic REP DD in atmospheric-pressure air and nitrogen were ~ 3·1014 and ~ 4·1014 cm-3, respectively. In addition, for the plasma formed during the pulse-periodic REP DD in atmospheric-pressure nitrogen and air average values of an electron temperature and reduced electric field, as well their dynamics were determined. Average value of an electron temperature during the pulse duration for nitrogen and air plasmas was ~ 2 eV. Dynamics of an electron temperature and reduced electric field strength was registered. Data on rotational and gas temperatures in the discharge plasma of atmospheric-pressure nitrogen formed in pulse (Tr ≈ 350 K, Tg ≈ 380 K) and pulse-periodic (Tr ≈ 750 K, Tg ≈ 820 K) modes were obtained. In addition, measured value of vibrational temperature in REP DD’s plasma formed in pulse mode in nitrogen at pressure of 1 bar was Tv ≈ 3000 K. © (2015) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.

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collection(s): Радиофизический факультет
Научное управление
Identifier: vtls:000553655
http://vital.lib.tsu.ru/vital/access/manager/Repository/vtls:000553655
Type: статьи в журналах
Source: Proceedings of SPIE. 2015. Vol. 9810 : XII International Conference on Atomic and Molecular Pulsed Lasers, 13–18 September 2015, Tomsk, Russian Federation. P. 98101M-1-98101M-10
Language: eng

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Научное управление Parameters of REP DDs plasma formed during the pulse and pulse-periodic modes in dense gases