Effects of Magnetic Shear on the Resistive Wla l ModeI nstability in a Cylindrical Model

Effects of Magnetic Shear on the Resistive Wla l ModeI nstability in a Cylindrical Model

O534+.2; The linear evolution of a resistive wall mode ( RWM) with magnetic shears was analytically studied in a cylindrical magnetohydrodynamic ( MHD ) equations were solved by the Fourier analysis method, and various equilibrium magnetic fields were considered.The shear in the magnetic field had a...

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Veröffentlicht in:东华大学学报（英文版） 2019, Vol.36 (6), p.533-538
Hauptverfasser: CHEN Longxi, WANG Jinfang, WANG Lifeng, YANG Zhiran
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container_title 东华大学学报（英文版）
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creator CHEN Longxi
WANG Jinfang
WANG Lifeng
YANG Zhiran
description O534+.2; The linear evolution of a resistive wall mode ( RWM) with magnetic shears was analytically studied in a cylindrical magnetohydrodynamic ( MHD ) equations were solved by the Fourier analysis method, and various equilibrium magnetic fields were considered.The shear in the magnetic field had an unstable effect on the linear evolution of the RWM.The linear growth rate increased obviously with increase of the magnetic shear rate for higher magnetic shears.Slow plasma rotation could stabilize the RWM with low magnetic shears, but the plasma rotation could not stabilize the RWM with high magnetic shears. The stabilizing effects of the wall conductivity on the RWM are more efficient for lager magnetic shear.
doi_str_mv 10.3969/j.issn.1672-5220.2019.06.003
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title Effects of Magnetic Shear on the Resistive Wla l ModeI nstability in a Cylindrical Model
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