[HTML][HTML] Mechanisms of energetic-particle transport in magnetically confined plasmas

WW Heidbrink, RB White - Physics of Plasmas, 2020 - pubs.aip.org
Super-thermal ions and electrons occur in both space and fusion plasmas. Because these
energetic particles (EP) have large velocities, EP orbits necessarily deviate substantially …

Active control of Alfvén eigenmodes by externally applied 3D magnetic perturbations

J Gonzalez-Martin, M Garcia-Munoz… - Physical Review Letters, 2023 - APS
The suppression and excitation of Alfvén eigenmodes have been experimentally obtained,
for the first time, by means of externally applied 3D perturbative fields with different spatial …

Overview of physics studies on ASDEX Upgrade

H Meyer, C Angioni, CG Albert, N Arden… - Nuclear …, 2019 - iopscience.iop.org
Abstract The ASDEX Upgrade (AUG) programme, jointly run with the EUROfusion MST1
task force, continues to significantly enhance the physics base of ITER and DEMO. Here, the …

Active control of Alfvén eigenmodes in magnetically confined toroidal plasmas

M Garcia-Munoz, SE Sharapov… - Plasma Physics and …, 2019 - iopscience.iop.org
Alfvén waves are electromagnetic perturbations inherent to magnetized plasmas that can be
driven unstable by a free energy associated with gradients in the energetic particles' …

Optimizing beam-ion confinement in ITER by adjusting the toroidal phase of the 3D magnetic fields applied for ELM control

L Sanchis, M Garcia-Munoz, E Viezzer, A Loarte… - Nuclear …, 2021 - iopscience.iop.org
The confinement of neutral beam injection (NBI) particles in the presence of n= 3 resonant
magnetic perturbations (RMPs) in 15 MA ITER DT plasmas has been studied using full orbit …

Tailoring resonant magnetic perturbation to optimize fast-ion confinement during ELM control in KSTAR

SM Yang, JK Park, HS Kim, M Podesta, JS Kang… - Nuclear …, 2023 - iopscience.iop.org
Abstract 3D resonant magnetic perturbation (RMP) is one promising way to control edge
localized modes that can cause excessive material erosion of tokamak first walls. However …

Role of the edge electric field in the resonant mode-particle interactions and the formation of transport barriers in toroidal plasmas

G Anastassiou, P Zestanakis, Y Antonenas… - Journal of Plasma …, 2024 - cambridge.org
The impact of an edge radial electric field on the particle orbits and the orbital spectrum in an
axisymmetric toroidal magnetic equilibrium is investigated using a guiding centre canonical …

Transport and acceleration mechanism of fast ions during edge localized modes in ASDEX Upgrade

JF Rivero-Rodríguez, J Galdon-Quiroga… - Nuclear …, 2023 - iopscience.iop.org
Observations of enhanced fast-ion losses during edge localized modes (ELMs) have been
reported in the ASDEX Upgrade tokamak, revealing losses above the injection energy. This …

Validation of a synthetic fast ion loss detector model for Wendelstein 7-X

A LeViness, SA Lazerson, AJ van Vuuren… - Nuclear …, 2024 - iopscience.iop.org
We present the first validated synthetic diagnostic for fast ion loss detectors (FILDs) in the
Wendelstein 7-X (W7-X) stellarator. This model has been developed on, and validated …

Effect of resonant magnetic perturbations including toroidal sidebands on magnetic footprints and fast ion losses in HL-2M

GZ Hao, GQ Dong, YQ Liu, YH Xu, YF Zhao… - Nuclear …, 2023 - iopscience.iop.org
Externally applied resonant magnetic perturbations (RMPs), generated by magnetic coils
located outside the plasma (referred to as RMP coils), provide an effective way to control the …