Stabilization of tearing modes by modulated electron cyclotron current drive
Source abstract
Abstract
The influence of modulated-ECCD on m/n=2/1 resistive tearing mode is investigated by a three-dimensional toroidal and non-reduced MHD code CLT. It is found that, after applying a modulated-ECCD, tearing mode instabilities are suppressed and magnetic islands are gradually reduced to a low level, then the width of the magnetic islands exhibit periodic oscillation with the time scale of ECCD modulation frequency. The minimum width of magnetic islands decreases with the decrease of ECCD modulation frequency and increases with the increase of the buildup time of the driven current.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Magnetic confinement fusion research · Ionosphere and magnetosphere dynamics · Laser-Plasma Interactions and Diagnostics
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Institute for Fusion Theory and Simulation, Department of Physics, Zhejiang University 1 , Hangzhou 310027, China
Institute of Plasma Physics, Chinese Academy of Sciences 2 , Hefei 230031, China
Funding
National Natural Science Foundation of China
References (57)
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