H-L transition caused by irregular probe insertion in the JFT-2M tokamak

K. Hanada, M. Hasegawa, K. Shinohara, S. Ohdachi, T. Shoji, Y. Miura, H. Tamai, T. Oikawa, H. Totsuka, E. Ishiyama, N. Shinoda, S. Shiraiwa, H. Saito, Y. Endo, K. Yamagishi, H. Toyama

研究成果: Contribution to journalArticle査読

1 被引用数 (Scopus)

抄録

A pair of probe pins whose lengths differ by 5 mm are inserted into the separatrix of H-mode plasmas. When the long pin is biased positively against the short one, the H-L transition takes place and the current through the resistor making a connection between these pins increases for 10 μs and the potential of the pin increases for 100 μs. The energy dissipated by the resistor during the H-L transition is comparable to the energy of the radial electric field in H-mode plasma. When the long pin is biased negatively, the H-L transition also occurs; however, it takes 1 ms to change the potential of the pin and the plasma returns to H-mode after the extraction of the probe.

本文言語英語
ページ(範囲)1255-1259
ページ数5
ジャーナルPlasma Physics and Controlled Fusion
38
8
DOI
出版ステータス出版済み - 1996
外部発表はい

All Science Journal Classification (ASJC) codes

  • Nuclear Energy and Engineering
  • Condensed Matter Physics

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