Stimulation of high-frequency breakdown of gas in Uragan-3M torsatron by runaway electrons

Tarasov, I. K.; Тарасов, М Ю; Sitnikov, D. A.; Pashnev, V. K.; Lytova, Marianna

doi:10.1134/s1063784216010229

Cited by 2 publications

(3 citation statements)

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“…We see that, in the RE-stimulated mode, the gas breakdown occurs with a shorter time delay than in the non-stimulated mode. The authors interpret this fact as a result of the effect of the RE on the initial ionization of the working gas [4,5]. The following information serves as the basis for this conclusion.…”

Section: Resultsmentioning

confidence: 90%

“…from 2 to 7 were obtained on the facility U-3M. All experimental results, which will be presented, are obtained using the microwave stimulation of the discharge at the front edge of a magnetic field pulse, which is the source of the runaway electron flow [4,5]. The exception is the experimental material shown in Figs.…”

Section: Resultsmentioning

confidence: 99%

“…In order to improve the working gas breakdown conditions, a mechanism for stimulating it by enhancing the flow of runaway electrons was proposed [4,5]. The stimulation was an additional ionization of the working gas during the plasma generation at the front edge of the magnetic field pulse.…”

Section: Introductionmentioning

confidence: 99%

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On the Role of Runaway Electrons in Stimulating the RF Breakdown and Plasma Formation in Torsatrons Uragan-3M, Uragan-2M

et al. 2023

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We consider a scenario of the initial stage of the RF breakdown of a working gas in torsatrons Uragan-3M and Uragan-2M and the roles of runaway electrons in this process. In our previous works, we studied only the acceleration factor of the breakdown process which occurs, when the intensity of the flow of runaway electrons increases due to the stimulation by an additional ultrahigh-frequency discharge at the front edge of a magnetic field pulse. This work attempts to describe the individual phenomena that accompany the initial stage of plasma formation in the confinement areas of torsatrons Uragan-3M and Uragan-2M in the presence of the flow of runaway electrons.

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Section: Resultsmentioning

confidence: 90%

Section: Resultsmentioning

confidence: 99%