Comparison between Non-Inductive Plasma Current Start-Up Using ECRH with and without Fundamental Resonance on QUEST

Hiroki MIURA; Kazuaki HANADA; Hideki ZUSHI; Kazuo NAKAMURA; Akihide FUJISAWA; Hiroshi IDEI; Yoshihiko NAGASHIMA; Makoto HASEGAWA; Hisatoshi NAKASHIMA; Shoji KAWASAKI; Aki HIGASHIJIMA; Osamu MITARAI; Atsushi FUKUYAMA; Yuichi TAKASE

doi:10.1585/pfr.10.3402066

Regular Articles

Comparison between Non-Inductive Plasma Current Start-Up Using ECRH with and without Fundamental Resonance on QUEST

Hiroki MIURA, Kazuaki HANADA, Hideki ZUSHI, Kazuo NAKAMURA, Akihide FUJISAWA, Hiroshi IDEI, Yoshihiko NAGASHIMA, Makoto HASEGAWA, Hisatoshi NAKASHIMA, Shoji KAWASAKI, Aki HIGASHIJIMA, Osamu MITARAI, Atsushi FUKUYAMA, Yuichi TAKASE

著者情報

キーワード: spherical tokamak, plasma current start-up, electron cyclotron resonance heating, current-carrying electron, soft X-ray

ジャーナルフリー

2015 年 10 巻 p. 3402066

DOI https://doi.org/10.1585/pfr.10.3402066

詳細

抄録

Comparison between non-inductive plasma current start-up using electron cyclotron resonance heating (ECRH) with and without fundamental (1st) resonance using 8.2-GHz microwave is experimentally performed on QUEST. Results of soft X-ray measurements in different energy ranges indicate significant difference in the number of current-carrying electrons with and without fundamental resonance. Numerical calculations show effective extendibility of electron energy in ECRH of fundamental resonance.

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