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Numerical simulation of tearing mode suppression by applying non-resonant magnetic perturbations on J-TEXT
ID：159 View Protection：PUBLIC Updated Time：2020-10-29 16:02:04 Hits：829 Poster Presentation

Start Time：2020-11-04 15:50（Asia/Shanghai）

Duration：5min

Session：G Poster session » G7Poster Session 10

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Abstract
Numerical simulation of tearing mode suppression by applying non-resonant magnetic perturbations (non-RMPs) has been carried out in the J-TEXT tokamak based on the NIMROD (Non-Ideal Magnetohydrodynamics with Rotation, Open Discussion) code. In the present work, we investigate the growth of n = 1 and n = 2 (n is the toroidal mode number) magnetohydrodynamics (MHD) instabilities, mainly as tearing modes, in response to different modes and amplitudes of non-RMPs generated by the external helical coils. It is found that the tearing mode can be stabilized by non-RMPs, especially for the non-RMPs with mode m/n = -1/1 (m is the poloidal mode number) and coil current IMP = 4kA.
Keywords
non-RMPs, MHD instabilities, tearing mode, numerical simulation, tokamak plasma
Speaker
Fan Gu
master student School of Electrical and Electronic Engineering, Huazhong University of Science and Technology

Submission Author
Fan Gu School of Electrical and Electronic Engineering, Huazhong University of Science and Technology
Zhonghe Jiang School of Electrical and Electronic Engineering, Huazhong University of Science and Technology
Yunfeng Liang School of Electrical and Electronic Engineering, Huazhong University of Science and Technology；Forschungszentrum Jülich GmbH, Institut für Energie-und Klimaforschung-Plasmaphysik；Institute of Plasma Physics, Chinese Academy of Sciences
Song Zhou School of Electrical and Electronic Engineering, Huazhong University of Science and Technology；Forschungszentrum Jülich GmbH, Institut für Energie-und Klimaforschung-Plasmaphysik
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Important Date

  • Conference Date

    Nov 02

    2020

    to

    Nov 04

    2020

  • Oct 27 2020

    Draft paper submission deadline

  • Nov 03 2020

    Contribution Submission Deadline

  • Nov 04 2020

    Registration deadline

  • Nov 17 2020

    Final Paper Deadline

Sponsored By
IEEE IAS Student Chapter of Huazhong University of Science and Technology (HUST)
Organized By
Huazhong University of Science and Technology
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