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First experiments on ICRF discharge generation by a W7-X-like antenna in the Uragan-2M stellarator

  • V. E. Moiseenko
  • , Yu V. Kovtun
  • , T. Wauters
  • , A. Goriaev
  • , A. I. Lyssoivan
  • , A. V. Lozin
  • , R. O. Pavlichenko
  • , A. N. Shapoval
  • , S. M. Maznichenko
  • , V. B. Korovin
  • , E. D. Kramskoy
  • , M. M. Kozulya
  • , N. V. Zamanov
  • , Y. V. Siusko
  • , A. Yu Krasiuk
  • , V. S. Romanov
  • , A. Alonso
  • , R. Brakel
  • , A. Dinklage
  • , D. Hartmann
  • Ye Kazakov, H. Laqua, J. Ongena, T. Stange
  • Inst. of Plasma Physics of the National Science Center, Kharkiv Institute of Physics and Technology
  • Laboratorio Nacional de Fusión
  • Max-Planck-Institut für Plasmaphysik

Résultats de recherche: Contribution à un journalArticleRevue par des pairs

23 Citations (Scopus)

Résumé

In support of the ICRF experiments planned on the Wendelstein 7-X (W7-X) stellarator, i.e. fast ion generation, wall conditioning, target plasma production and heating, a first experimental study on plasma production has been made in the Uragan-2M (U-2M) stellarator using W7-X-like two-strap antenna. In all the experiments, antenna monopole phasing was used. The W7-X-like antenna operation with launched radiofrequency power of ∼100 kW have been performed in helium (p = (4–14) × 10−2 Pa) with the vacuum vessel walls pre-loaded with hydrogen. Production of plasma with a density higher than 1012 cm−3 was observed near the first harmonic of the hydrogen cyclotron frequency. Operation at first hydrogen harmonic is feasible in W7-X future ICRF experiments.

langue originaleAnglais
Numéro d'article905860517
journalJournal of Plasma Physics
Volume86
Numéro de publication5
Les DOIs
étatPublié - 28 oct. 2020

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