Observation of Electron Temperature Profiles with Bulged Regions around the ι = 1 Magnetic Surface of the Large Helical Device

Kazumichi NARIHARA; Ichihiro YAMADA; Hiroshi HAYASHI; Katsunori IKEDA; Osamu KANEKO; Kenichi NAGAOKA; Yoshihide OKA; Masaki OSAKABE; Satoru SAKAKIBARA; Yasuhiko TAKEIRI; Kenji TANAKA; Tokihiko TOKUZAWA; Katsuyoshi TSUMORI; LHD Experimental Group

doi:10.1585/jspf.80.277

Rapid Communications

Observation of Electron Temperature Profiles with Bulged Regions around the ι = 1 Magnetic Surface of the Large Helical Device

Kazumichi NARIHARA, Ichihiro YAMADA, Hiroshi HAYASHI, Katsunori IKEDA, Osamu KANEKO, Kenichi NAGAOKA, Yoshihide OKA, Masaki OSAKABE, Satoru SAKAKIBARA, Yasuhiko TAKEIRI, Kenji TANAKA, Tokihiko TOKUZAWA, Katsuyoshi TSUMORI, LHD Experimental Group

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Keywords: LHD, magnetic island, electron temperature profile, Thomson scattering

JOURNAL FREE ACCESS

2004 Volume 80 Issue 4 Pages 277-278

DOI https://doi.org/10.1585/jspf.80.277

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Abstract

A highly space-resolved Thomson scattering system installed on the large helical device revealed that the electron temperature profile of the plasma occasionally has bulged regions at the location where the iota is close to 1.

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