Overview of recent progress in 3D field physics in KSTAR

G Park, Y In, JK Park, WH Ko, J Lee, M Kim… - Journal of the Korean …, 2022 - Springer
Various 3D field physics challenges of magnetically confined plasmas arise when the
driving source comes from either externally applied non-axisymmetric 3D magnetic …

Energetic passing particle-driven instabilities and their impact on discharge evolution in KSTAR

H Jhang, J Kim, J Kang, M Kim, LL Zhang… - Plasma Physics and …, 2023 - iopscience.iop.org
An experimental study is conducted on the onset and evolution characteristics of energetic
particle-driven instabilities in Korea Superconducting Tokamak Advanced Research …

Numerical simulations of NBI fast ion loss with RMPs on the EAST tokamak

Y Xu, L Li, Y Hu, Y Liu, W Guo, L Ye, X Xiao - Nuclear Fusion, 2020 - iopscience.iop.org
Fast ion losses in the presence of resonant magnetic perturbations (RMPs) on the EAST
tokamak have been simulated by using the Monte Carlo orbit-following code GYCAVA (Xu et …

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 …

Impact of β n and spectrum of n= 1 applied fields on fast ion losses in DIII-D

KR Gage, X Chen, M Van Zeeland… - Nuclear …, 2023 - iopscience.iop.org
The effect of n= 1 magnetic perturbations (MPs) on prompt fast ion losses in DIII-D has been
investigated using the light ion beam probe technique. The effect of normalized beta, β n …

Full-orbit simulation of fast ion loss under resonant magnetic perturbations in the EAST tokamak

K He, Y Sun, BN Wan, S Gu, M Jia, Y Hu - Nuclear Fusion, 2020 - iopscience.iop.org
A new full-orbit Monte Carlo code (SOFT) has been developed and used to investigate how
resonant magnetic perturbation (RMP) affects the loss of neutral beam injection ions in …

Experimental investigation of beam-ion losses induced by magnetic perturbations using the light ion beam probe technique in the ASDEX Upgrade tokamak

J Galdon-Quiroga, L Sanchis-Sanchez, X Chen… - Nuclear …, 2022 - iopscience.iop.org
The impact of externally applied magnetic perturbations (MPs) on fast-ion losses has been
investigated by means of the light ion beam probe (LIBP) technique in the ASDEX Upgrade …

Observation of improved confinement by non-axisymmetric magnetic field in KSTAR

K Kim, J Kang, H Kim, S Yi, J Yoo, M Choi… - Nuclear …, 2023 - iopscience.iop.org
We report the observation of improved confinement discharge in a magnetic braking
experiment in the KSTAR tokamak. The improved confinement is achieved with reduced …

Effects of resonant magnetic perturbations on neutral beam heating in a tokamak

Y Hu, Y Xu, B Hao, G Li, K He, Y Sun, L Li, J Wang… - Physics of …, 2021 - pubs.aip.org
The effects of resonant magnetic perturbations (RMPs) on tangential neutral beam heating
in the EAST tokamak are studied numerically. RMPs with linear resistive …

Roles of primary and sideband resonances in the confinement of energetic passing ions under resonant magnetic perturbations

K He, Y Sun, BN Wan, S Gu, M Jia - Nuclear Fusion, 2020 - iopscience.iop.org
Numerical simulations have been carried out to study how resonant magnetic perturbation
(RMP) affects the loss of energetic passing ions. The loss fractions are compared between …