On the Mechanism of Maintenance and Instability of the Overvoltage Low-Pressure Discharge Forming a High-Current Runaway Electron Beam

Yu. S. Akishev; A. A. Balakirev; V. B. Karal’nik; M. A. Medvedev; A. V. Petryakov; N. I. Trushkin; A. G. Shafikov

doi:10.1007/s11182-017-1219-z

On the Mechanism of Maintenance and Instability of the Overvoltage Low-Pressure Discharge Forming a High-Current Runaway Electron Beam

Authors: Akishev Y.S.¹^,2, Balakirev A.A.¹, Karal’nik V.B.¹, Medvedev M.A.¹, Petryakov A.V.¹, Trushkin N.I.¹, Shafikov A.G.¹
Affiliations:
1. State Scientific Center of the Russian Federation “Troitsk Institute of Innovative and Thermonuclear Research,”
2. National Research Nuclear University MEPhI
Issue: Vol 60, No 8 (2017)
Pages: 1341-1345
Section: Article
URL: https://bakhtiniada.ru/1064-8887/article/view/238586
DOI: https://doi.org/10.1007/s11182-017-1219-z
ID: 238586

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Abstract
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Abstract

Results of experiments on the study of dynamics of an overvoltage discharge at the low pressure р = 0.5–2.5 Torr up to its transition to the high-current low-voltage regime are presented, and the instability mechanism leading to a sharp voltage drop across the discharge is suggested.

Keywords

high-voltage gas discharge, runaway electrons, ions, ionization-overheating instability, hydrogen, deuterium

About the authors

Yu. S. Akishev

State Scientific Center of the Russian Federation “Troitsk Institute of Innovative and Thermonuclear Research,”; National Research Nuclear University MEPhI

Author for correspondence.
Email: akishev@triniti.ru
Russian Federation, Troitsk, Moscow Region; Moscow

A. A. Balakirev

State Scientific Center of the Russian Federation “Troitsk Institute of Innovative and Thermonuclear Research,”