Interaction between a magnetic island and turbulence

MJ Choi - Reviews of Modern Plasma Physics, 2021 - Springer
Interaction between a magnetic island and turbulence has been intensively studied in recent
years with advance of plasma diagnostics in various plasma experiment devices such as …

Multiscale interaction between a large scale magnetic island and small scale turbulence

MJ Choi, J Kim, JM Kwon, HK Park, Y In, W Lee… - Nuclear …, 2017 - iopscience.iop.org
Multiscale interaction between the magnetic island and turbulence has been demonstrated
through simultaneous two-dimensional measurements of turbulence and temperature and …

Newly uncovered physics of MHD instabilities using 2-D electron cyclotron emission imaging system in toroidal plasmas

HK Park - Advances in Physics: X, 2019 - Taylor & Francis
Validation of physics models using the newly uncovered physics with a 2-D electron
cyclotron emission imaging (ECEi) system for magnetic fusion plasmas has either enhanced …

Hysteresis relation between turbulence and temperature modulation during the heat pulse propagation into a magnetic island in DIII-D

K Ida, T Kobayashi, M Ono, TE Evans, GR McKee… - Physical review …, 2018 - APS
The hysteresis relation between turbulence and temperature modulation during the heat
pulse propagation into a magnetic island is studied for the first time in toroidal plasmas …

[HTML][HTML] Anisotropic E× B shearing rate in a magnetic island

TS Hahm, YJ Kim, PH Diamond, GJ Choi - Physics of Plasmas, 2021 - pubs.aip.org
We derive the E× B shearing rate associated with vortex flow inside a macroscopic magnetic
island (MI) in axisymmetric toroidal geometry. Due to the elongation of the MI and …

Control of neoclassical tearing mode by synergetic effects of resonant magnetic perturbation and electron cyclotron current drive in reversed magnetic shear tokamak …

W Tang, ZX Wang, L Wei, J Wang, S Lu - Nuclear Fusion, 2020 - iopscience.iop.org
Synergetic effects of resonant magnetic perturbation (RMP) and electron cyclotron current
drive (ECCD) on stabilizing neoclassical tearing mode (NTM) in reversed magnetic shear …

Direct preemptive stabilization of neoclassical tearing modes by electron cyclotron current drive in the DIII-D low-torque ITER baseline scenario

L Bardóczi, RJ La Haye, EJ Strait, NC Logan… - Nuclear …, 2023 - iopscience.iop.org
We report the first preemptive direct stabilization of $ m, n= 2, 1$ neoclassical tearing modes
(NTMs) in DIII-D low-torque ITER baseline scenario plasmas by electron cyclotron waves …

Excited ion-scale turbulence by a magnetic island in fusion plasmas

W Li, J Li, Z Lin, JQ Dong, JT Luo, Y Liu - Scientific Reports, 2024 - nature.com
The characteristics of ion-scale turbulence in the presence of a magnetic island are
numerically investigated using a gyrokinetic model in fusion plasma. We observe that in the …

Influence of m/n= 2/1 magnetic islands on perpendicular flows and turbulence in HL-2A Ohmic plasmas

M Jiang, WL Zhong, Y Xu, ZB Shi, W Chen, XQ Ji… - Nuclear …, 2017 - iopscience.iop.org
The radial profiles of perpendicular flows in the presence of the $ m/n= 2/1$ magnetic island
were firstly measured in the HL-2A tokamak by hop** the work frequency of the Doppler …

Localized modulation of turbulence by m/n= 1/1 magnetic islands in the HL-2A tokamak

M Jiang, Y Xu, W Chen, ZB Shi, JQ Li, WX Wang… - Nuclear …, 2019 - iopscience.iop.org
Modulation of turbulent electron temperature fluctuations () and density fluctuations () by an
m/n= 1/1 tearing mode island was observed in the core plasma region of the HL-2A …