Parameters of runaway electron beam generated during excitation by nanosecond voltage pulses in short gaps filled with nitrogen

D. A. Sorokin, V. F. Tarasenko, M. I. Lomaev

Research output: Contribution to journalArticle

Abstract

Parameters of a supershort avalanche electron beam (SAEB) in nitrogen excited by the triangular-shaped voltage pulses with 45kV amplitude in incident wave and full width at half-maximum (FWHM) of ∼ 1 ns were investigated. In experiments, cylindrical-shaped cathodes made of aluminum and stainless steel were used. An interelectrode distance in the gas-filled diode was 3, 5, and 8 mm. It was established that the highest values of SAEB's current were registered with an aluminum cathode. It was shown that, in contrast to the case of 8-mm gap length, when the interelectrode distances were 3 and 5 mm, the amplitude of SAEB current pulse in nitrogen began to decrease with high values of the pressure - 100 and 50 kPa, respectively.

Original languageEnglish
Article number012007
JournalJournal of Physics: Conference Series
Volume830
Issue number1
DOIs
Publication statusPublished - 4 May 2017
Externally publishedYes
Event5th International Congress on Energy Fluxes and Radiation Effects 2016, EFRE 2016 - Tomsk, Russian Federation
Duration: 2 Oct 20167 Oct 2016

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avalanches
cathodes
electron beams
aluminum
nitrogen
electric potential
pulses
beam currents
excitation
stainless steels
diodes
steels
gases

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Parameters of runaway electron beam generated during excitation by nanosecond voltage pulses in short gaps filled with nitrogen. / Sorokin, D. A.; Tarasenko, V. F.; Lomaev, M. I.

In: Journal of Physics: Conference Series, Vol. 830, No. 1, 012007, 04.05.2017.

Research output: Contribution to journalArticle

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