Fluctuation measurement in the edge plasma on TST-2

Yoshihiko Nagashima, Jun'Ichi Ozaki, Masateru Sonehara, Yuichi Takase, Akira Ejiri, Kotaro Yamada, Hidetoshi Kakuda, Shigeru Inagaki, Takuya Oosako, Byung Il An, Hiroyuki Hayashi, Kentaro Hanashima, Junichi Hiratsuka, Hiroaki Kobayashi, Hiroki Kurashina, Hazuki Matsuzawa, Takuya Sakamoto, Takashi Yamaguchi, Osamu Watanabe, Takuma Wakatsuki

Research output: Contribution to journalArticle

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Abstract

A new technique is used to estimate the amplitude of temperature fluctuation in the edge plasma on TST-2. Langmuir probe current-voltage characteristic curves are conditionally reconstituted in terms of the intensity of the floating potential. High/low electron temperatures are obtained in low/high floating potential phases. As a result, normalized temperature fluctuation levels are found to be about 19% or larger.

Original languageEnglish
Article numberS2049
JournalPlasma and Fusion Research
Volume5
DOIs
Publication statusPublished - Jan 1 2010

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

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  • Cite this

    Nagashima, Y., Ozaki, JI., Sonehara, M., Takase, Y., Ejiri, A., Yamada, K., Kakuda, H., Inagaki, S., Oosako, T., An, B. I., Hayashi, H., Hanashima, K., Hiratsuka, J., Kobayashi, H., Kurashina, H., Matsuzawa, H., Sakamoto, T., Yamaguchi, T., Watanabe, O., & Wakatsuki, T. (2010). Fluctuation measurement in the edge plasma on TST-2. Plasma and Fusion Research, 5, [S2049]. https://doi.org/10.1585/pfr.5.S2049