Three-dimensional modeling of plasma edge transport and divertor fluxes during application of resonant magnetic perturbations on ITER

O Schmitz, M Becoulet, P Cahyna, TE Evans… - Nuclear …, 2016 - iopscience.iop.org
Results from three-dimensional modeling of plasma edge transport and plasma–wall
interactions during application of resonant magnetic perturbation (RMP) fields for control of …

[HTML][HTML] Magnetic control of magnetohydrodynamic instabilities in tokamaks

EJ Strait - Physics of Plasmas, 2015 - pubs.aip.org
Externally applied, non-axisymmetric magnetic fields form the basis of several relatively
simple and direct methods to control magnetohydrodynamic (MHD) instabilities in a …

Toroidal modelling of RMP response in ASDEX Upgrade: coil phase scan, q95 dependence, and toroidal torques

Y Liu, D Ryan, A Kirk, L Li, W Suttrop, M Dunne… - Nuclear …, 2016 - iopscience.iop.org
The plasma response to the vacuum resonant magnetic perturbation (RMP) fields, produced
by the ELM control coils in ASDEX Upgrade experiments, is computationally modelled using …

Proof of concept of a fast surrogate model of the VMEC code via neural networks in Wendelstein 7-X scenarios

A Merlo, D Böckenhoff, J Schilling, U Höfel… - Nuclear …, 2021 - iopscience.iop.org
In magnetic confinement fusion research, the achievement of high plasma pressure is key to
reaching the goal of net energy production. The magnetohydrodynamic (MHD) model is …

Modelling of edge localised modes and edge localised mode control

GTA Huijsmans, CS Chang, N Ferraro… - Physics of …, 2015 - pubs.aip.org
Edge Localised Modes (ELMs) in ITER Q= 10 H-mode plasmas are likely to lead to large
transient heat loads to the divertor. To avoid an ELM induced reduction of the divertor …

Fast ion transport during applied 3D magnetic perturbations on DIII-D

MA Van Zeeland, NM Ferraro, BA Grierson… - Nuclear …, 2015 - iopscience.iop.org
Measurements show fast ion losses correlated with applied three-dimensional (3D) fields in
a variety of plasmas ranging from L-mode to resonant magnetic perturbation (RMP) edge …

Field-line localized destabilization of ballooning modes in three-dimensional tokamaks

M Willensdorfer, TB Cote, CC Hegna, W Suttrop… - Physical review …, 2017 - APS
Field-line localized ballooning modes have been observed at the edge of high confinement
mode plasmas in ASDEX Upgrade with rotating 3D perturbations induced by an externally …

[HTML][HTML] Experimental tests of linear and nonlinear three-dimensional equilibrium models in DIII-D

JD King, EJ Strait, SA Lazerson, NM Ferraro… - Physics of …, 2015 - pubs.aip.org
DIII-D experiments using new detailed magnetic diagnostics show that linear, ideal
magnetohydrodynamics (MHD) theory quantitatively describes the magnetic structure (as …

Observation of magnetic islands in tokamak plasmas during the suppression of edge-localized modes

M Willensdorfer, V Mitterauer, M Hoelzl, W Suttrop… - Nature Physics, 2024 - nature.com
In tokamaks, a leading platform for fusion energy, periodic filamentary plasma eruptions
known as edge-localized modes occur in plasmas with high-energy confinement and steep …

Free-boundary MRxMHD equilibrium calculations using the stepped-pressure equilibrium code

SR Hudson, J Loizu, C Zhu, ZS Qu… - Plasma Physics and …, 2020 - iopscience.iop.org
The stepped-pressure equilibrium code (SPEC)(Hudson et al 2012 Phys. Plasmas 19, 112
502) is extended to enable free-boundary multi-region relaxed magnetohydrodynamic …