Identification of the magnetic island structure in the HL-2A tokamak

The identification of the magnetic island structure in the HL-2A tokamak is presented. First, the perturbation current as a source for the perturbation flux can be determined by using Mirnov probe measurements. By superposing the perturbation flux and the equilibrium flux reconnected by equilibrium...

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Published inChinese physics B Vol. 20; no. 9; pp. 302 - 306
Main Author 季小全 杨青巍 冯北滨 徐媛 孙腾飞 袁保山
Format Journal Article
LanguageEnglish
Published IOP Publishing 01.09.2011
Subjects
Fittings
Flux
HL-2A装置
Magnetic islands
Mirnov探针
Perturbation methods
Tokamak devices
平衡
扰动
磁岛
结构鉴定
通量
Online AccessGet full text
ISSN1674-1056
2058-3834
DOI10.1088/1674-1056/20/9/095205

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Abstract The identification of the magnetic island structure in the HL-2A tokamak is presented. First, the perturbation current as a source for the perturbation flux can be determined by using Mirnov probe measurements. By superposing the perturbation flux and the equilibrium flux reconnected by equilibrium fitting, the structure and the width of the magnetic islands can be estimated. The method has been used in the HL-2A experiments.
AbstractList The identification of the magnetic island structure in the HL-2A tokamak is presented. First, the perturbation current as a source for the perturbation flux can be determined by using Mirnov probe measurements. By superposing the perturbation flux and the equilibrium flux reconnected by equilibrium fitting, the structure and the width of the magnetic islands can be estimated. The method has been used in the HL-2A experiments.
Author 季小全 杨青巍 冯北滨 徐媛 孙腾飞 袁保山
AuthorAffiliation Southwestern Institute of Physics, Chengdu 610041, China
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Notes magnetic island, magnetohydrodynamic instability, tearing mode
Ji Xiao-Quan Yang Qing-Wet Feng Bei-Bin Xu Yuan Sun Teng-Fei and Yuan Bao-Shan Southwestern Institute of Physics, Chengdu 610041, China
11-5639/O4
The identification of the magnetic island structure in the HL-2A tokamak is presented. First, the perturbation current as a source for the perturbation flux can be determined by using Mirnov probe measurements. By superposing the perturbation flux and the equilibrium flux reconnected by equilibrium fitting, the structure and the width of the magnetic islands can be estimated. The method has been used in the HL-2A experiments.
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SubjectTerms Fittings
Flux
HL-2A装置
Magnetic islands
Mirnov探针
Perturbation methods
Tokamak devices
平衡
扰动
磁岛
结构鉴定
通量
Title Identification of the magnetic island structure in the HL-2A tokamak
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