Evaluation of edge electron temperature fluctuation by the use of fast voltage scanning method on TST-2

被引：1

作者：

Nagashima Y. ^{[1
]}

Ejiri A. ^{[1
]}

Takase Y. ^{[1
]}

Sonehara M. ^{[1
]}

Kakuda H. ^{[1
]}

Oosako T. ^{[2
]}

Hiratsuka J. ^{[1
]}

Watanabe O. ^{[1
]}

Yamaguchi T. ^{[1
]}

Kobayashi H. ^{[1
]}

Wakatsuki T. ^{[1
]}

Sakamoto T. ^{[1
]}

Hanashima K. ^{[1
]}

Ambo T. ^{[1
]}

Shino R. ^{[1
]}

Inagaki S. ^{[3
]}

机构：

[1] The University of Tokyo

[2] CEA

[3] Kyushu University

来源：

Plasma and Fusion Research | 2011年 / 6卷 / 1 SPECIAL ISSUE期

基金：

日本学术振兴会;

关键词：

Edge plasma; Plasma turbulence; Temperature fluctuation;

D O I：

10.1585/pfr.6.2402036

中图分类号：

学科分类号：

摘要：

Edge electron temperature fluctuation is evaluated by the use of fast voltage sweeping technique on TST-2. The validity of obtained current-voltage characteristic curve was checked by comparing the time evolutions of floating potential between that obtained from the fast voltage sweeping technique and that measured with floating probe method. Good agreement between them was confirmed. We also found that fitting errors in the evaluation of the electron temperature itself are less than 10% of fluctuation levels of the electron temperature. Therefore the accuracy of the technique is applicable to study of plasma fluctuations. © 2011 The Japan Society of Plasma Science and Nuclear Fusion Research.

引用

共 13 条

[1] Evaluation of edge electron temperature fluctuations using a conditional technique on TST-2
Ozaki J.I.
Sonehara M.
Nagashima Y.
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.
Sakamoto T.
Yamaguchi T.
Watanabe O.
Wakatsuki T.
Plasma and Fusion Research, 2010, 5
[2] Fluctuation measurement in the edge plasma on TST-2
Nagashima Y.
Ozaki J.
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.
Plasma and Fusion Research, 2010, 5
[3] Fluctuation measurement across the broad range of the low-field side edge plasmas in the TST-2 spherical tokamak
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