Effects of Electron Temperature Fluctuation on Turbulence Measurement by Langmuir Probe in a Magnetized Helicon Plasma

被引：0

作者：

Kawachi Y. ^{[1
]}

Inagaki S. ^{[2
,3
]}

Sasaki M. ^{[2
,4
]}

Kosuga Y. ^{[2
,3
]}

Yamada T. ^{[5
]}

Nagashima Y. ^{[2
,3
]}

Moon C. ^{[3
]}

Kasuya N. ^{[2
,3
]}

Fujisawa A. ^{[2
,3
]}

机构：

[1] Interdisciplinary Graduate School of Engineering Sciences, Kyushu University, Kasuga

[2] Research Center for Plasma Turbulence, Kyushu University, Kasuga

[3] Research Institution for Applied Mechanics, Kyushu University, Kasuga

[4] College of Industrial Technology, Nihon University, Narashino

[5] Faculty of Arts and Science, Kyushu University, Fukuoka

来源：

Plasma and Fusion Research | 2021年 / 16卷

基金：

日本学术振兴会;

关键词：

Langmuir probe; transport; turbulence;

D O I：

10.1585/PFR.16.1202081

中图分类号：

学科分类号：

摘要：

Effects of electron temperature fluctuation on measurement of other fluctuations by using of Langmuir probe is investigated in PANTA plasma with finite temperature gradient, where significant electron temperature fluctuations are observed. The temperature fluctuation and its effects are evaluated from spatiotemporal structures of ion saturation current and floating potential, derived by conditional sampling/averaging technique. It is found that electron density fluctuation is in phase with ion saturation current fluctuation, but plasma potential fluctuation is anti-phase with the floating potential fluctuation. © 2021. The Japan Society of Plasma Science and Nuclear Fusion Research.

引用

页码：1202081 / 1

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