Abrupt reduction of core electron heat transport in response to edge cooling on the Large Helical Device

S. Inagaki; N. Tamura; T. Tokuzawa; K. Ida; K. Itoh; S. V. Neudatchin; K. Tanaka; Y. Nagayama; K. Kawahata; M. Yakovlev; S. Sudo

doi:10.1088/0741-3335/48/5A/S23

Abrupt reduction of core electron heat transport in response to edge cooling on the Large Helical Device

S. Inagaki, N. Tamura, T. Tokuzawa, K. Ida, K. Itoh, S. V. Neudatchin, K. Tanaka, Y. Nagayama, K. Kawahata, M. Yakovlev, S. Sudo

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

36 被引用数 (Scopus)

抄録

Cold pulse inversion in a helical plasma is observed in the Large Helical Device (LHD) and thus the strong non-local effects are evident in the helical device as well as in tokamaks. A hydrogen pellet or tracer encapsulated solid pellet is injected into the edge of the LHD plasmas. A significant rise of the electron temperature is observed in the central region in response to the edge cooling. Transient analysis indicates a heat flux jump despite the absence of a change in the local temperature gradient. The non-local temperature rise takes place in the low density and high temperature regime just as predicted by the TFTR scaling.

本文言語	英語
ページ（範囲）	A251-A257
ジャーナル	Plasma Physics and Controlled Fusion
巻	48
号	5 A
DOI	https://doi.org/10.1088/0741-3335/48/5A/S23
出版ステータス	出版済み - 5月 1 2006
外部発表	はい

All Science Journal Classification (ASJC) codes

原子力エネルギーおよび原子力工学
凝縮系物理学

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10.1088/0741-3335/48/5A/S23

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Abrupt reduction of core electron heat transport in response to edge cooling on the Large Helical Device. / Inagaki, S.; Tamura, N.; Tokuzawa, T.; Ida, K.; Itoh, K.; Neudatchin, S. V.; Tanaka, K.; Nagayama, Y.; Kawahata, K.; Yakovlev, M.; Sudo, S.

In: Plasma Physics and Controlled Fusion, Vol. 48, No. 5 A, 01.05.2006, p. A251-A257.

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

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abstract = "Cold pulse inversion in a helical plasma is observed in the Large Helical Device (LHD) and thus the strong non-local effects are evident in the helical device as well as in tokamaks. A hydrogen pellet or tracer encapsulated solid pellet is injected into the edge of the LHD plasmas. A significant rise of the electron temperature is observed in the central region in response to the edge cooling. Transient analysis indicates a heat flux jump despite the absence of a change in the local temperature gradient. The non-local temperature rise takes place in the low density and high temperature regime just as predicted by the TFTR scaling.",

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T1 - Abrupt reduction of core electron heat transport in response to edge cooling on the Large Helical Device

AU - Inagaki, S.

AU - Tamura, N.

AU - Tokuzawa, T.

AU - Ida, K.

AU - Itoh, K.

AU - Neudatchin, S. V.

AU - Tanaka, K.

AU - Nagayama, Y.

AU - Kawahata, K.

AU - Yakovlev, M.

AU - Sudo, S.

PY - 2006/5/1

Y1 - 2006/5/1

N2 - Cold pulse inversion in a helical plasma is observed in the Large Helical Device (LHD) and thus the strong non-local effects are evident in the helical device as well as in tokamaks. A hydrogen pellet or tracer encapsulated solid pellet is injected into the edge of the LHD plasmas. A significant rise of the electron temperature is observed in the central region in response to the edge cooling. Transient analysis indicates a heat flux jump despite the absence of a change in the local temperature gradient. The non-local temperature rise takes place in the low density and high temperature regime just as predicted by the TFTR scaling.

AB - Cold pulse inversion in a helical plasma is observed in the Large Helical Device (LHD) and thus the strong non-local effects are evident in the helical device as well as in tokamaks. A hydrogen pellet or tracer encapsulated solid pellet is injected into the edge of the LHD plasmas. A significant rise of the electron temperature is observed in the central region in response to the edge cooling. Transient analysis indicates a heat flux jump despite the absence of a change in the local temperature gradient. The non-local temperature rise takes place in the low density and high temperature regime just as predicted by the TFTR scaling.

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Abrupt reduction of core electron heat transport in response to edge cooling on the Large Helical Device

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