Transition behaviour in the H-mode of the CHS heliotron/torsatron

K. Toi, S. Ohdachi, T. Morisaki, S. Sakakibara, S. Morita, T. Minami, K. Tanaka, H. Yamada, S. Okamura, K. Nishimura, K. Matsuoka, I. Yamada, R. Akiyama, A. Ando, A. Ejiri, K. Ida, H. Idei, H. Iguchi, A. Komori, S. KuboK. Narihara, T. Ozaki, C. Takahashi, K. Tsumori, J. Xu

研究成果: Article査読

31 被引用数 (Scopus)


The H-mode initiated by the control of the rotational transform profile in CHS exhibits a very rapid transition (in 100 μs or less) in NBI heated plasmas. There is no obvious difference in transition behaviour between hydrogen and deuterium. Langmuir probe measurement has revealed that the rapid change in floating potential occurs at the transition, but the change follows the formation of an edge transport barrier. The presence of an t = 1 surface just inside the last closed flux surface and a sawtooth crash triggered by internal modes play an important role in the H-mode transition of CHS.

ジャーナルPlasma Physics and Controlled Fusion
出版ステータスPublished - 1996 12 1

ASJC Scopus subject areas

  • Nuclear Energy and Engineering
  • Condensed Matter Physics

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