Measurement of Peripheral Plasma Turbulence Using a Fast Camera in Heliotron J

DOI Web Site 参考文献2件
  • NISHINO Nobuhiro
    Graduate School of Engineering, Hiroshima University, Kagamiyama, Higashi-Hiroshima 739-8527, Japan
  • MIZUUCHI Tohru
    Institute of Advanced Energy, Kyoto University, Gokasho, Uji 611-0011, Japan
  • KOBAYASHI Shinichi
    Institute of Advanced Energy, Kyoto University, Gokasho, Uji 611-0011, Japan
  • NAGASAKI Kazunobu
    Institute of Advanced Energy, Kyoto University, Gokasho, Uji 611-0011, Japan
  • OKADA Hiroyuki
    Institute of Advanced Energy, Kyoto University, Gokasho, Uji 611-0011, Japan
  • SANO Fumimichi
    Institute of Advanced Energy, Kyoto University, Gokasho, Uji 611-0011, Japan
  • YAMAMOTO Satoru
    Kyoto University Pioneering Research Unit for Next Generation, Yoshida, Sakyo-ku 606-8501, Kyoto, Japan
  • KONDO Katsumi
    Graduate School of Energy Science, Kyoto University, Gokasho, Uji 606-0011, Japan

抄録

Using a fast camera with tangential view, the motion of the filamentary structures in peripheral regions was observed. In the L-mode, the filamentary structures are relatively thinner than those of the H-mode. The direction of filamentary structure motion in the H-mode plasma was changed opposite to that in the L-mode plasma, and the motion speed was also doubled. During L-H transition, this motion was stopped. If this motion is poloidal rotation due to Er × B drift, Er should be positive in the L-mode plasma and negative in the H-mode plasma.

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