A brief review: effects of resonant magnetic perturbation on classical and neoclassical tearing modes in tokamaks

W Zhengxiong, T Weikang, WEI Lai - Plasma Science and …, 2022 - iopscience.iop.org
This paper reviews the effects of resonant magnetic perturbation (RMP) on classical tearing
modes (TMs) and neoclassical tearing modes (NTMs) from the theory, experimental …

Nonlinear evolution and control of neo-classical tearing mode in reversed magnetic shear tokamak plasmas

W Zheng-Xiong, L Tong, W Lai - Reviews of Modern Plasma Physics, 2022 - Springer
The reversed magnetic shear (RMS) configuration is believed to be one of the most
promising advanced scenarios to achieve steady-state operation in the future large-scale …

Progress in disruption prevention for ITER

EJ Strait, JL Barr, M Baruzzo, JW Berkery… - Nuclear …, 2019 - iopscience.iop.org
Key plasma physics and real-time control elements needed for robustly stable operation of
high fusion power discharges in ITER have been demonstrated in recent research …

Path-oriented early reaction to approaching disruptions in ASDEX Upgrade and TCV in view of the future needs for ITER and DEMO

M Maraschek, A Gude, V Igochine… - Plasma Physics and …, 2017 - iopscience.iop.org
Routine reaction to approaching disruptions in tokamaks is currently largely limited to
machine protection by mitigating an ongoing disruption, which remains a basic requirement …

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 …

Relationship between locked modes and thermal quenches in DIII-D

R Sweeney, W Choi, M Austin, M Brookman… - Nuclear …, 2018 - iopscience.iop.org
Locked modes are known to be one of the major causes of disruptions, but the physical
mechanisms by which locking leads to disruptions are not well understood. Here we analyze …

Suppression of tearing modes by radio frequency current condensation

AH Reiman, NJ Fisch - Physical review letters, 2018 - APS
Currents driven by radio frequency (rf) waves in the interior of magnetic islands can stabilize
deleterious tearing modes in tokamaks. Present analyses of stabilization assume that the …

Non-disruptive error field identification based on magnetic island healing

C Paz-Soldan, Q Hu, NC Logan, JK Park - Nuclear Fusion, 2022 - iopscience.iop.org
A technique to identify intrinsic error fields (EFs) in tokamaks with minimized risk of
disruption is demonstrated on the DIII-D tokamak. The method extends the conventional …

Control of neo-classical double tearing modes by differential poloidal rotation in reversed magnetic shear tokamak plasmas

J Wang, ZX Wang, L Wei, Y Liu - Nuclear Fusion, 2017 - iopscience.iop.org
The control of neo-classical tearing modes (NTMs) by the differential rotation in the reversed
magnetic shear (RMS) configuration with different separations $\Delta {{r} _ {\text {s}}} …