Abrupt reduction of core electron heat transport in response to edge cooling on the Large Helical Device

S. Inagaki, N. Tamura, T. Tokuzawa, K. Ida, K. Itoh, S. V. Neudatchin, K. Tanaka, Y. Nagayama, K. Kawahata, M. Yakovlev, S. Sudo

研究成果: Contribution to journalArticle査読

33 被引用数 (Scopus)

抄録

Cold pulse inversion in a helical plasma is observed in the Large Helical Device (LHD) and thus the strong non-local effects are evident in the helical device as well as in tokamaks. A hydrogen pellet or tracer encapsulated solid pellet is injected into the edge of the LHD plasmas. A significant rise of the electron temperature is observed in the central region in response to the edge cooling. Transient analysis indicates a heat flux jump despite the absence of a change in the local temperature gradient. The non-local temperature rise takes place in the low density and high temperature regime just as predicted by the TFTR scaling.

本文言語英語
ページ(範囲)A251-A257
ジャーナルPlasma Physics and Controlled Fusion
48
5 A
DOI
出版ステータス出版済み - 5 1 2006
外部発表はい

All Science Journal Classification (ASJC) codes

  • Nuclear Energy and Engineering
  • Condensed Matter Physics

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