Effects of magnetic islands on poloidal flow in TU-Heliac

Yu Sato; Sumio Kitajima; Yasuhiro Suzukil; Takanori Ambo; Keiichi Ishii; Mamoru Kanno; Jo Tachibana; Shigeru Inagaki; Masayuki Yokoyama; Hiromi Takahashi; Masakazu Takayama; Atsushi Okamoto; Mamiko Sasao

doi:10.1585/pfr.6.2402144

Effects of magnetic islands on poloidal flow in TU-Heliac

Yu Sato, Sumio Kitajima, Yasuhiro Suzukil, Takanori Ambo, Keiichi Ishii, Mamoru Kanno, Jo Tachibana, Shigeru Inagaki, Masayuki Yokoyama, Hiromi Takahashi, Masakazu Takayama, Atsushi Okamoto, Mamiko Sasao

Research output: Contribution to journal › Article › peer-review

Abstract

The Tohoku University Heliac (TU-Heliac) surveyed the effects of island width on poloidal plasma flow. We determine that poloidal flow is driven externally by hot cathode biasing and an m = 3 magnetic island was produced by two pairs of external perturbation field coils. The electrode current required for poloidal flow at the plasma periphery jumping point increases with island width expansion and shows weak dependency at the core region of the plasma. These dependencies suggest that the magnetic island located at the plasma periphery affects poloidal flow as a drag term.

Original language	English
Article number	2402144
Journal	Plasma and Fusion Research
Volume	6
Issue number	1 SPECIAL ISSUE
DOIs	https://doi.org/10.1585/pfr.6.2402144
Publication status	Published - 2011
Externally published	Yes

Keywords

Electrode bias
Heliac
Magnetic island
Perturbation field
Stellarator

ASJC Scopus subject areas

Condensed Matter Physics

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10.1585/pfr.6.2402144

Cite this

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title = "Effects of magnetic islands on poloidal flow in TU-Heliac",

abstract = "The Tohoku University Heliac (TU-Heliac) surveyed the effects of island width on poloidal plasma flow. We determine that poloidal flow is driven externally by hot cathode biasing and an m = 3 magnetic island was produced by two pairs of external perturbation field coils. The electrode current required for poloidal flow at the plasma periphery jumping point increases with island width expansion and shows weak dependency at the core region of the plasma. These dependencies suggest that the magnetic island located at the plasma periphery affects poloidal flow as a drag term.",

keywords = "Electrode bias, Heliac, Magnetic island, Perturbation field, Stellarator",

author = "Yu Sato and Sumio Kitajima and Yasuhiro Suzukil and Takanori Ambo and Keiichi Ishii and Mamoru Kanno and Jo Tachibana and Shigeru Inagaki and Masayuki Yokoyama and Hiromi Takahashi and Masakazu Takayama and Atsushi Okamoto and Mamiko Sasao",

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doi = "10.1585/pfr.6.2402144",

language = "English",

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journal = "Plasma and Fusion Research",

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T1 - Effects of magnetic islands on poloidal flow in TU-Heliac

AU - Sato, Yu

AU - Kitajima, Sumio

AU - Suzukil, Yasuhiro

AU - Ambo, Takanori

AU - Ishii, Keiichi

AU - Kanno, Mamoru

AU - Tachibana, Jo

AU - Inagaki, Shigeru

AU - Yokoyama, Masayuki

AU - Takahashi, Hiromi

AU - Takayama, Masakazu

AU - Okamoto, Atsushi

AU - Sasao, Mamiko

PY - 2011

Y1 - 2011

N2 - The Tohoku University Heliac (TU-Heliac) surveyed the effects of island width on poloidal plasma flow. We determine that poloidal flow is driven externally by hot cathode biasing and an m = 3 magnetic island was produced by two pairs of external perturbation field coils. The electrode current required for poloidal flow at the plasma periphery jumping point increases with island width expansion and shows weak dependency at the core region of the plasma. These dependencies suggest that the magnetic island located at the plasma periphery affects poloidal flow as a drag term.

AB - The Tohoku University Heliac (TU-Heliac) surveyed the effects of island width on poloidal plasma flow. We determine that poloidal flow is driven externally by hot cathode biasing and an m = 3 magnetic island was produced by two pairs of external perturbation field coils. The electrode current required for poloidal flow at the plasma periphery jumping point increases with island width expansion and shows weak dependency at the core region of the plasma. These dependencies suggest that the magnetic island located at the plasma periphery affects poloidal flow as a drag term.

KW - Electrode bias

KW - Heliac

KW - Magnetic island

KW - Perturbation field

KW - Stellarator

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JO - Plasma and Fusion Research

JF - Plasma and Fusion Research

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ER -

Effects of magnetic islands on poloidal flow in TU-Heliac

Abstract

Keywords

ASJC Scopus subject areas

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