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Evaluation of Edge Electron Temperature Fluctuations Using a Conditional Technique on TST-2

The amplitudes of electron temperature fluctuations are evaluated in the edge plasma of TST-2 using a new technique. Langmuir probe current-voltage characteristic curves are conditionally reconstituted in terms of the magnitude of the floating potential. High/low electron temperatures are obtained i...

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Bibliographic Details
Published in:Plasma and Fusion Research 2010/06/28, Vol.5, pp.023-023
Main Authors: OZAKI, Jun'ichi, SONEHARA, Masateru, NAGASHIMA, Yoshihiko, TAKASE, Yuichi, EJIRI, Akira, YAMADA, Kotaro, KAKUDA, Hidetoshi, INAGAKI, Shigeru, OOSAKO, Takuya, AN, Byung Il, HAYASHI, Hiroyuki, HANASHIMA, Kentaro, HIRATSUKA, Junichi, KOBAYASHI, Hiroaki, KURASHINA, Hiroki, SAKAMOTO, Takuya, YAMAGUCHI, Takashi, WATANABE, Osamu, WAKATSUKI, Takuma
Format: Article
Language:English
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Summary:The amplitudes of electron temperature fluctuations are evaluated in the edge plasma of TST-2 using a new technique. Langmuir probe current-voltage characteristic curves are conditionally reconstituted in terms of the magnitude of the floating potential. High/low electron temperatures are obtained in low/high floating-potential phases. The relationship between the electron temperature fluctuations and the time-averaged electron temperature gradient is discussed.
ISSN:1880-6821
1880-6821
DOI:10.1585/pfr.5.023