Journal
AIP ADVANCES
Volume 9, Issue 1, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.5080379
Keywords
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Funding
- National Natural Science Foundation of China [11775188, 41474123]
- Fundamental Research Fund for Chinese Central Universities
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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. (C) 2019 Author(s).
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