Observation of Plasma Flow at the Magnetic Island in the Large Helical Device

K. Ida; N. Ohyabu; T. Morisaki; Y. Nagayama; Inagaki Shigeru; K. Itoh; Y. Liang; K. Narihara; A. Yu Kostrioukov; B. J. Peterson; K. Tanaka; T. Tokuzawa; K. Kawahata; H. Suzuki; A. Komori

doi:10.1103/PhysRevLett.88.015002

Observation of Plasma Flow at the Magnetic Island in the Large Helical Device

K. Ida, N. Ohyabu, T. Morisaki, Y. Nagayama, Inagaki Shigeru, K. Itoh, Y. Liang, K. Narihara, A. Yu Kostrioukov, B. J. Peterson, K. Tanaka, T. Tokuzawa, K. Kawahata, H. Suzuki, A. Komori

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

15 Citations (Scopus)

Abstract

Radial profiles of ion temperature and plasma flow are measured at the [Formula presented] magnetic island produced by external perturbation coils in the Large Helical Device. The sheared poloidal flows and sheared radial electric field are observed at the boundaries of the magnetic island, because the poloidal flow vanishes inside the static magnetic island. When the width of the magnetic island becomes large, the flow along the magnetic flux surface inside the magnetic island appears around the O point in the direction which reduces the shear of the poloidal flow at the boundary of the magnetic island.

Original language	English
Pages (from-to)	4
Number of pages	1
Journal	Physical review letters
Volume	88
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevLett.88.015002
Publication status	Published - 2002
Externally published	Yes

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)

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10.1103/PhysRevLett.88.015002

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title = "Observation of Plasma Flow at the Magnetic Island in the Large Helical Device",

abstract = "Radial profiles of ion temperature and plasma flow are measured at the [Formula presented] magnetic island produced by external perturbation coils in the Large Helical Device. The sheared poloidal flows and sheared radial electric field are observed at the boundaries of the magnetic island, because the poloidal flow vanishes inside the static magnetic island. When the width of the magnetic island becomes large, the flow along the magnetic flux surface inside the magnetic island appears around the O point in the direction which reduces the shear of the poloidal flow at the boundary of the magnetic island.",

author = "K. Ida and N. Ohyabu and T. Morisaki and Y. Nagayama and Inagaki Shigeru and K. Itoh and Y. Liang and K. Narihara and Kostrioukov, {A. Yu} and Peterson, {B. J.} and K. Tanaka and T. Tokuzawa and K. Kawahata and H. Suzuki and A. Komori",

year = "2002",

doi = "10.1103/PhysRevLett.88.015002",

language = "English",

volume = "88",

pages = "4",

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TY - JOUR

T1 - Observation of Plasma Flow at the Magnetic Island in the Large Helical Device

AU - Ida, K.

AU - Ohyabu, N.

AU - Morisaki, T.

AU - Nagayama, Y.

AU - Shigeru, Inagaki

AU - Itoh, K.

AU - Liang, Y.

AU - Narihara, K.

AU - Kostrioukov, A. Yu

AU - Peterson, B. J.

AU - Tanaka, K.

AU - Tokuzawa, T.

AU - Kawahata, K.

AU - Suzuki, H.

AU - Komori, A.

PY - 2002

Y1 - 2002

N2 - Radial profiles of ion temperature and plasma flow are measured at the [Formula presented] magnetic island produced by external perturbation coils in the Large Helical Device. The sheared poloidal flows and sheared radial electric field are observed at the boundaries of the magnetic island, because the poloidal flow vanishes inside the static magnetic island. When the width of the magnetic island becomes large, the flow along the magnetic flux surface inside the magnetic island appears around the O point in the direction which reduces the shear of the poloidal flow at the boundary of the magnetic island.

AB - Radial profiles of ion temperature and plasma flow are measured at the [Formula presented] magnetic island produced by external perturbation coils in the Large Helical Device. The sheared poloidal flows and sheared radial electric field are observed at the boundaries of the magnetic island, because the poloidal flow vanishes inside the static magnetic island. When the width of the magnetic island becomes large, the flow along the magnetic flux surface inside the magnetic island appears around the O point in the direction which reduces the shear of the poloidal flow at the boundary of the magnetic island.

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DO - 10.1103/PhysRevLett.88.015002

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Observation of Plasma Flow at the Magnetic Island in the Large Helical Device

Abstract

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