Experimental study of edge plasma structure in various discharges on compact helical system

T. Morisaki, A. Komori, R. Akiyama, H. Idei, H. Iguchi, N. Inoue, Y. Kawai, S. Kubo, S. Masuzaki, K. Matsuoka, T. Minami, S. Morita, N. Noda, N. Ohyabu, S. Okamura, M. Osakabe, H. Suzuki, K. Tanaka, C. Takahashi, H. YamadaI. Yamada, O. Motojima

研究成果: Contribution to journalArticle査読

抄録

Precise measurements of edge density profiles in various discharges have been performed successfully in the compact helical system (CHS) with a thermal neutral lithium beam probe. During high beta discharges, an outward shift of the plasma edge boundary was observed with an increase in the beta value, which was found to agree qualitatively with theoretical calculations. Experiments with different magnetic field configurations, i.e., with limiter, divertor and with an m/n = 1/1 island, were also performed. Clear difference in the edge density profiles among the configurations and a large change of plasma parameters in the configuration with the m/n = 1/1 island were observed.

本文言語英語
ページ(範囲)977-981
ページ数5
ジャーナルJournal of Nuclear Materials
241-243
DOI
出版ステータス出版済み - 2 11 1997
外部発表はい

All Science Journal Classification (ASJC) codes

  • 核物理学および高エネルギー物理学
  • 材料科学(全般)
  • 原子力エネルギーおよび原子力工学

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