Dynamics of the Ungrounded Antenna Potential in an Uragan-2M Torsatron during an RF Pulse

Authors

  • V.B. Korovin National Scientific Center “Kharkiv Institute of Physics and Technology”, NAS of Ukraine
  • I.K. Tarasov National Scientific Center “Kharkiv Institute of Physics and Technology”, NAS of Ukraine
  • Ya.F. Leleko National Scientific Center “Kharkiv Institute of Physics and Technology”, NAS of Ukraine
  • E.L. Sorokovyi National Scientific Center “Kharkiv Institute of Physics and Technology”, NAS of Ukraine
  • Yu.V. Kovtun National Scientific Center “Kharkiv Institute of Physics and Technology”, NAS of Ukraine
  • O.M. Shapoval National Scientific Center “Kharkiv Institute of Physics and Technology”, NAS of Ukraine
  • M.M. Kozulya National Scientific Center “Kharkiv Institute of Physics and Technology”, NAS of Ukraine
  • O.A. Lozin National Scientific Center “Kharkiv Institute of Physics and Technology”, NAS of Ukraine
  • A.M. Tarasov National Scientific Center “Kharkiv Institute of Physics and Technology”, NAS of Ukraine
  • E.D. Krams’kyi National Scientific Center “Kharkiv Institute of Physics and Technology”, NAS of Ukraine
  • V.V. Filippov National Scientific Center “Kharkiv Institute of Physics and Technology”, NAS of Ukraine
  • O.V. Yevsyukov National Scientific Center “Kharkiv Institute of Physics and Technology”, NAS of Ukraine

DOI:

https://doi.org/10.15407/ujpe70.3.178

Keywords:

stellarator, torsatron, high-frequency heating, escaping electrons

Abstract

It has been shown that the loop radiofrequency (RF) antenna, which is used to create initial plasma in the Uragan-2M stellarator and is electrically not connected to the installation housing, acquires both negative and positive potentials during the RF pulse. The influence of the RF generator supply voltage and the working gas pressure on the antenna potential is studied. The change in the antenna potential during the simultaneous operation of two RF generators is shown. The influence of the ponderomotive forces on the loop antenna potential is estimated theoretically.

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Published

2025-03-19

Issue

Vol. 70 No. 3 (2025)

Section

Plasma physics

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How to Cite

Dynamics of the Ungrounded Antenna Potential in an Uragan-2M Torsatron during an RF Pulse. (2025). Ukrainian Journal of Physics, 70(3), 178. https://doi.org/10.15407/ujpe70.3.178

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