Overview of KSTAR research progress and future plans toward ITER and K-DEMO

HK Park, MJ Choi, SH Hong, Y In, YM Jeon… - Nuclear …, 2019 - iopscience.iop.org
A decade-long operation of the Korean Superconducting Tokamak Advanced Research
(KSTAR) has contributed significantly to the operation of superconducting tokamak devices …

Plasma performance and operational space without ELMs in DIII-D

C Paz-Soldan, DIII-D Team - Plasma Physics and Controlled …, 2021 - iopscience.iop.org
Abstract A database of DIII-D plasmas without edge-localized modes (ELMs) compares the
operating space and plasma performance of stationary no-ELM regimes found in …

3D field phase-space control in tokamak plasmas

JK Park, YM Jeon, Y In, JW Ahn, R Nazikian, G Park… - Nature Physics, 2018 - nature.com
A small relaxation of the axisymmetric magnetic field of a tokamak into a non-axisymmetric
three-dimensional (3D) configuration can be effective to control magnetohydrodynamic …

[HTML][HTML] The density dependence of edge-localized-mode suppression and pump-out by resonant magnetic perturbations in the DIII-D tokamak

QM Hu, R Nazikian, BA Grierson, NC Logan… - Physics of …, 2019 - pubs.aip.org
The density dependence of edge-localized-mode (ELM) suppression and density pump-out
(density reduction) by n= 2 resonant magnetic perturbations (RMPs) is consistent with the …

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 …

Integrated RMP-based ELM-crash-control process for plasma performance enhancement during ELM crash suppression in KSTAR

M Kim, G Shin, J Lee, WH Ko, H Han, SH Hahn… - Nuclear …, 2023 - iopscience.iop.org
Abstract The integrated Resonant Magnetic Perturbation (RMP)-based Edge-Localized
Mode (ELM)-crash-control process aims to enhance the plasma performance during the …

Enhanced understanding of non-axisymmetric intrinsic and controlled field impacts in tokamaks

Y In, JK Park, YM Jeon, J Kim, GY Park, JW Ahn… - Nuclear …, 2017 - iopscience.iop.org
An extensive study of intrinsic and controlled non-axisymmetric field (δB) impacts in KSTAR
has enhanced the understanding about non-axisymmetric field physics and its implications …

Turbulence characterization during the suppression of edge-localized modes by magnetic perturbations on ASDEX Upgrade

N Leuthold, W Suttrop, M Willensdorfer… - Nuclear …, 2023 - iopscience.iop.org
We study localized edge turbulence in the ASDEX Upgrade tokamak that appears if
resonant magnetic perturbations (RMP) are applied to suppress edge localized modes …

Optimization of 3D controlled ELM-free state with recovered global confinement for KSTAR with n= 1 resonant magnetic field perturbation

SK Kim, R Shousha, SH Hahn, AO Nelson, J Wai… - Nuclear …, 2022 - iopscience.iop.org
Mitigation of deleterious heat flux from edge-localized modes (ELMs) on fusion reactors is
often attempted with 3D perturbations of the confining magnetic fields. However, the …

Edge-coherent oscillation providing nearly continuous transport during edge-localized mode mitigation by n= 1 resonant magnetic perturbation in HL-2A

TF Sun, Y Liu, XQ Ji, YQ Liu, R Ke, JM Gao… - Nuclear …, 2021 - iopscience.iop.org
An edge-coherent oscillation (ECO) with a bursting feature was observed in the steep-
gradient pedestal region of H-mode plasmas in the HL-2A tokamak, where the type-I edge …