Observation of edge reynolds stress increase preceding an L-H transition in compact helical system

Yoshihiko Nagashima, Kenichi Nagaoka, Kimitaka Itoh, Akihide Fujisawa, Mitsutaka Isobe, Tsuyoshi Akiyama, Chihiro Suzuki, Shin Nishimura, Yasuo Yoshimura, Keisuke Matsuoka, Shoichi Okamura, Yuichi Takase, Akira Ejiri, Sanae I. Itoh, Masatoshi Yagi, Chs Group

研究成果: Contribution to journalArticle査読

抄録

An increase in turbulent Reynolds stress preceding an L-H transition in the Compact Helical System (CHS) was observed. A positive increase in the Reynolds stress is associated with a negative jump in the floating potential. The relationship of signs is consistent with the momentum balance equation. Therefore, this observation supports the hypothesis that the Reynolds stress plays an important role in triggering the L-H transition in CHS plasmas.

本文言語英語
論文番号022
ジャーナルPlasma and Fusion Research
5
DOI
出版ステータス出版済み - 2010

All Science Journal Classification (ASJC) codes

  • 凝縮系物理学

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