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Uspekhi Fizicheskikh Nauk, 2023, Volume 193, Number 7, Pages 751–769
DOI: https://doi.org/10.3367/UFNr.2022.02.039163 (Mi ufn12773) 		 
This article is cited in 3 scientific papers (total in 3 papers)

INSTRUMENTS AND METHODS OF INVESTIGATION

Explosive emission processes in thermonuclear facilities with magnetic plasma confinement and in linear electron–positron colliders

S. A. Barengoltsabc, G. A. Mesyatsb

a Prokhorov General Physics Institute of the Russian Academy of Sciences, Moscow
b Lebedev Physical Institute of the Russian Academy of Sciences, Moscow
c Institute of Electrophysics, Ural Branch, Russian Academy of Sciences, Ekaterinburg
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DOI: https://doi.org/10.3367/UFNr.2022.02.039163
Abstract: A model of the phenomenon of explosive electron emission based on its similarity to the electrical explosion of conductors is presented. With this model, the microexplosive processes occurring on a cathode surface due to the action of the explosive emission current have been simulated. The simulation results have been used to analyze explosive emission processes caused by the operation of unipolar arcs in thermonuclear reactors with magnetic plasma confinement and by the initiation of radiofrequency vacuum breakdowns in the accelerating structures of linear electron–positron colliders. The structure of the arc discharge cathode spot and the erosion characteristics have been investigated for nanostructured tungsten (W-fuzz) surfaces formed in thermonuclear reactors with magnetic plasma confinement. For radiofrequency vacuum breakdowns, the initiating parameters have been estimated, and prebreakdown and microexplosive processes have been simulated.
Funding agency Grant number
Russian Science Foundation 20-19-00323
Russian Foundation for Basic Research 20-08-00378
This work was supported by the Russian Science Foundation (grant no. 20-19-00323) and the Russian Foundation for Basic Research (grant no. 20-08-00378).
Received: January 25, 2022
Accepted: February 28, 2022
English version:
Physics–Uspekhi, 2023, Volume 66, Issue 7, Pages 704–721
DOI: https://doi.org/10.3367/UFNe.2022.02.039163
Bibliographic databases:
Document Type: Article
PACS: 52.40.Hf, 52.80.Vp, 79.70.+q
Language: Russian
Citation: S. A. Barengolts, G. A. Mesyats, “Explosive emission processes in thermonuclear facilities with magnetic plasma confinement and in linear electron–positron colliders”, UFN, 193:7 (2023), 751–769; Phys. Usp., 66:7 (2023), 704–721
Citation in format AMSBIB
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