Half-coalescence ideal magnetohydrodynamic instability of the q = 1 magnetic island in tokamaks

J. K. Lee; M. S. Chu; C. S. Liu; J. F. Drake

doi:10.1063/1.864948

Half-coalescence ideal magnetohydrodynamic instability of the q = 1 magnetic island in tokamaks

J. K. Lee, M. S. Chu, C. S. Liu, J. F. Drake

Institute of Space and Plasma Sciences

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

2 Citations (Scopus)

Abstract

The ideal magnetohydrodynamic instability of a symmetric q = 1 magnetic island is studied by using an initial value method for a pressureless cylindrical tokamak plasma. It is shown that the island is unstable to a half-coalescence motion which destroys the up-down symmetry of the magnetic configuration. The mode characteristics are qualitatively similar to those predicted by Bussac et al. [Phys. Lett. 105A, 51 (1984)].

Original language	English
Pages (from-to)	1585-1588
Number of pages	4
Journal	Physics of Fluids
Volume	28
Issue number	6
DOIs	https://doi.org/10.1063/1.864948
Publication status	Published - 1985

All Science Journal Classification (ASJC) codes

Computational Mechanics
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Fluid Flow and Transfer Processes

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abstract = "The ideal magnetohydrodynamic instability of a symmetric q = 1 magnetic island is studied by using an initial value method for a pressureless cylindrical tokamak plasma. It is shown that the island is unstable to a half-coalescence motion which destroys the up-down symmetry of the magnetic configuration. The mode characteristics are qualitatively similar to those predicted by Bussac et al. [Phys. Lett. 105A, 51 (1984)].",

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AU - Lee, J. K.

AU - Chu, M. S.

AU - Liu, C. S.

AU - Drake, J. F.

PY - 1985

Y1 - 1985

N2 - The ideal magnetohydrodynamic instability of a symmetric q = 1 magnetic island is studied by using an initial value method for a pressureless cylindrical tokamak plasma. It is shown that the island is unstable to a half-coalescence motion which destroys the up-down symmetry of the magnetic configuration. The mode characteristics are qualitatively similar to those predicted by Bussac et al. [Phys. Lett. 105A, 51 (1984)].

AB - The ideal magnetohydrodynamic instability of a symmetric q = 1 magnetic island is studied by using an initial value method for a pressureless cylindrical tokamak plasma. It is shown that the island is unstable to a half-coalescence motion which destroys the up-down symmetry of the magnetic configuration. The mode characteristics are qualitatively similar to those predicted by Bussac et al. [Phys. Lett. 105A, 51 (1984)].

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Half-coalescence ideal magnetohydrodynamic instability of the q = 1 magnetic island in tokamaks

Abstract

All Science Journal Classification (ASJC) codes

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