A sustained high-temperature fusion plasma regime facilitated by fast ions

H Han, SJ Park, C Sung, J Kang, YH Lee, J Chung… - Nature, 2022 - nature.com
Nuclear fusion is one of the most attractive alternatives to carbon-dependent energy
sources. Harnessing energy from nuclear fusion in a large reactor scale, however, still …

Elements of H-mode pedestal structure

RJ Groebner, S Saarelma - Plasma Physics and Controlled …, 2023 - iopscience.iop.org
This paper reviews current understanding of key physics elements that control the H-mode
pedestal structure, which exists at the boundary of magnetically confined plasmas. The …

An overview of KSTAR results

JG Kwak, YK Oh, HL Yang, KR Park, YS Kim… - Nuclear …, 2013 - iopscience.iop.org
Since the first H-mode discharges in 2010, the duration of the H-mode state has been
extended and a significantly wider operational window of plasma parameters has been …

Inter-ELM pedestal localized fluctuations in tokamaks: Summary of multi-machine observations

FM Laggner, A Diallo, M Cavedon… - Nuclear Materials and …, 2019 - Elsevier
A variety of experimental studies on pedestal localized fluctuations appearing in between
crashes of edge localized modes (ELMs) across several tokamaks have been reviewed and …

Turbulence dynamics during the pedestal evolution between edge localized modes in magnetic fusion devices

A Diallo, FM Laggner - Plasma Physics and Controlled Fusion, 2020 - iopscience.iop.org
Fusion performance has been shown to be related to the H-mode pedestal structure. The
pedestal is associated with steep gradients that are the source of free energy for …

Development of high-performance long-pulse discharge in KSTAR

HS Kim, YM Jeon, H Han, K Kim, KP Kim, H Kim… - Nuclear …, 2023 - iopscience.iop.org
High-performance long-pulse plasma operation is essential for producing economically
viable fusion energy in tokamak devices. To achieve such discharges in KSTAR, firstly, the …

Frontiers in fusion research II

M Kikuchi, M Azumi - Introduction to modern tokamak physics. Heidelberg …, 2015 - Springer
The purpose of this monograph is to provide an introduction to modern tokamak physics, as
an extension of our review paper “Steady State Tokamak Research—Core Physics” …

Pedestal electron collisionality and toroidal rotation during ELM-crash suppression phase under n= 1 RMP in KSTAR

M Kim, J Lee, WH Ko, SH Hahn, Y In, YM Jeon… - Physics of …, 2020 - pubs.aip.org
Excellent reproducibility of KSTAR resonant magnetic perturbation (RMP)-driven, edge-
localized mode (ELM)-crash suppression enables us to construct a database reliably for the …

Preemptive RMP-driven ELM crash suppression automated by a real-time machine-learning classifier in KSTAR

G Shin, H Han, M Kim, SH Hahn, WH Ko… - Nuclear …, 2022 - iopscience.iop.org
Suppression or mitigation of edge-localized mode (ELM) crashes is necessary for ITER. The
strategy to suppress all the ELM crashes by the resonant magnetic perturbation (RMP) …

Ion temperature and toroidal velocity edge transport barriers in KSTAR

WH Ko, SH Ko, JM Kwon, PH Diamond, K Ida… - Nuclear …, 2015 - iopscience.iop.org
The structure and evolution of the ion temperature (${{T} _ {\text {i}}} $) and toroidal rotation
(${{V} _ {\phi}} $) profile have been investigated in neutral beam injection (NBI)-heated …