Role of Boundary Plasma in Lower-Hybrid-Frequency Heating of a Tokamak

Kazuya Uehara, Takumi Yamamoto, Tsuneyuki Fujii, Norio Suzuki, Tsuyoshi Imai, Satoru Iizuka, Hiroshi Takeuchi, Satoshi Kasai, Hidetoshi Yoshida, Noboru Fujisawa, Takashi Nagashima

研究成果: Article査読

2 被引用数 (Scopus)

抄録

Boundary plasma of a circular tokamak has been investigated by means of electrostatic probes during lower-hybrid heating. The reflection coefficient is affected by the density gradient in front of the launcher. An effective ion heating is performed in the main plasma region when the boundary electron temperature is relatively high enough to suppress the parametric decay instabilities.The simultaneous injection of neutral beams as well as the lower-hybrid wave brings the suppressionof instabilities with increase of the electron temperature coming from the neutral beam heating.

本文言語English
ページ(範囲)1958-1964
ページ数7
ジャーナルjournal of the physical society of japan
51
6
DOI
出版ステータスPublished - 1982
外部発表はい

ASJC Scopus subject areas

  • 物理学および天文学(全般)

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