Numerical study of Alfvén eigenmodes in the Experimental Advanced Superconducting Tokamak

Youjun Hu; Guoqiang Li; N. N. Gorelenkov; Huishan Cai; Wenjun Yang; Deng Zhou; Qilong Ren

doi:10.1063/1.4879826

Numerical study of Alfvén eigenmodes in the Experimental Advanced Superconducting Tokamak

Youjun Hu
, Guoqiang Li
, N. N. Gorelenkov
, Huishan Cai
, Wenjun Yang
, Deng Zhou
, Qilong Ren

PPPL Theory

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

22 Scopus citations

Abstract

Alfvén eigenmodes in up-down asymmetric tokamak equilibria are studied by a new magnetohydrodynamic eigenvalue code. The code is verified with the NOVA code for the Solovév equilibrium and then is used to study Alfvén eigenmodes in a up-down asymmetric equilibrium of the Experimental Advanced Superconducting Tokamak. The frequency and mode structure of toroidicity-induced Alfvén eigenmodes are calculated. It is demonstrated numerically that up-down asymmetry induces phase variation in the eigenfunction across the major radius on the midplane.

Original language	English (US)
Article number	052510
Journal	Physics of Plasmas
Volume	21
Issue number	5
DOIs	https://doi.org/10.1063/1.4879826
State	Published - May 2014

All Science Journal Classification (ASJC) codes

Condensed Matter Physics

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10.1063/1.4879826

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title = "Numerical study of Alfv{\'e}n eigenmodes in the Experimental Advanced Superconducting Tokamak",

abstract = "Alfv{\'e}n eigenmodes in up-down asymmetric tokamak equilibria are studied by a new magnetohydrodynamic eigenvalue code. The code is verified with the NOVA code for the Solov{\'e}v equilibrium and then is used to study Alfv{\'e}n eigenmodes in a up-down asymmetric equilibrium of the Experimental Advanced Superconducting Tokamak. The frequency and mode structure of toroidicity-induced Alfv{\'e}n eigenmodes are calculated. It is demonstrated numerically that up-down asymmetry induces phase variation in the eigenfunction across the major radius on the midplane.",

author = "Youjun Hu and Guoqiang Li and Gorelenkov, \{N. N.\} and Huishan Cai and Wenjun Yang and Deng Zhou and Qilong Ren",

year = "2014",

month = may,

doi = "10.1063/1.4879826",

language = "English (US)",

volume = "21",

journal = "Physics of Plasmas",

issn = "1070-664X",

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T1 - Numerical study of Alfvén eigenmodes in the Experimental Advanced Superconducting Tokamak

AU - Hu, Youjun

AU - Li, Guoqiang

AU - Gorelenkov, N. N.

AU - Cai, Huishan

AU - Yang, Wenjun

AU - Zhou, Deng

AU - Ren, Qilong

PY - 2014/5

Y1 - 2014/5

N2 - Alfvén eigenmodes in up-down asymmetric tokamak equilibria are studied by a new magnetohydrodynamic eigenvalue code. The code is verified with the NOVA code for the Solovév equilibrium and then is used to study Alfvén eigenmodes in a up-down asymmetric equilibrium of the Experimental Advanced Superconducting Tokamak. The frequency and mode structure of toroidicity-induced Alfvén eigenmodes are calculated. It is demonstrated numerically that up-down asymmetry induces phase variation in the eigenfunction across the major radius on the midplane.

AB - Alfvén eigenmodes in up-down asymmetric tokamak equilibria are studied by a new magnetohydrodynamic eigenvalue code. The code is verified with the NOVA code for the Solovév equilibrium and then is used to study Alfvén eigenmodes in a up-down asymmetric equilibrium of the Experimental Advanced Superconducting Tokamak. The frequency and mode structure of toroidicity-induced Alfvén eigenmodes are calculated. It is demonstrated numerically that up-down asymmetry induces phase variation in the eigenfunction across the major radius on the midplane.

UR - https://www.scopus.com/pages/publications/84901719921

UR - https://www.scopus.com/pages/publications/84901719921#tab=citedBy

U2 - 10.1063/1.4879826

DO - 10.1063/1.4879826

M3 - Article

AN - SCOPUS:84901719921

SN - 1070-664X

VL - 21

JO - Physics of Plasmas

JF - Physics of Plasmas

IS - 5

M1 - 052510

ER -

Numerical study of Alfvén eigenmodes in the Experimental Advanced Superconducting Tokamak

Abstract

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