ICRF Plasma Production with theW7-X Like Antenna in the Uragan-2M Stellarator*)

Yurii V. Kovtun, Vladimir E. Moiseenko, Alexei V. Lozin, Rostislav O. Pavlichenko, Anatolii N. Shapoval, Liudmila I. Grigor’Eva, Demian I. Baron, Mykhailo M. Kozulya, Sergii M. Maznichenko, Valerii B. Korovin, Egor D. Kramskoy, Mykola V. Zamanov, Yevgen V. Siusko, Aleksandr Yu Krasiuk, Vladislav S. Romanov, Igor E. Garkusha, Tom Wauters, Arturo Alonso, Rudolf Brakel, Andreas DinklageDirk Hartmann, Yevgen Kazakov, Heinrich Laqua, Samuel Lazerson, Josef Ongena, Henning Thomsen, Golo Fuchert, Torsten Stange, Shuji Kamio

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Résumé

The results of the plasma start-up with ICRH of U-2M RF discharges in H2+He mixture with newly implemented controlled gas H2 concentration are presented. The W7-X like ICRH antenna operated in monopole phasing with applied RF power of ~ 100 kW.We investigated plasma start-up in the pressure range p = 6×10−4 - 9 × 10−2 Pa. Plasma production with an average density of up to Ne ∼ 1013 cm−3 was observed at frequencies the fundamental harmonic of the hydrogen cyclotron frequency.

langue originaleAnglais
Numéro d'article2402034
journalPlasma and Fusion Research
Volume17
Numéro de publicationSpecialIssue 1
Les DOIs
étatPublié - 2022

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