ICRF Plasma Production with the W7-X Like Antenna in the Uragan-2 M Stellarator

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

PLASMA AND FUSION RESEARCH（2022）

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摘要

The results of the plasma start-up with ICRH of U-2 M RF discharges in H-2 +He mixture with newly implemented controlled gas H-2 concentration are presented. The W7-X like ICRH antenna operated in monopole phasing with applied RF power of similar to 100 kW. We investigated plasma start-up in the pressure range p = 6 x 10(-4) - 9 x 10(-2) Pa. Plasma production with an average density of up to N-e similar to 10(13) cm(-3) was observed at frequencies the fundamental harmonic of the hydrogen cyclotron frequency. (C) 2022 The Japan Society of Plasma Science and Nuclear Fusion Research

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关键词

plasma production, ion cyclotron heating, stellarator, Uragan-2 M, RF power

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