Internal transport barrier in tokamak and helical plasmas

K Ida, T Fujita - Plasma Physics and Controlled Fusion, 2018 - iopscience.iop.org
The differences and similarities between the internal transport barriers (ITBs) of tokamak and
helical plasmas are reviewed. By comparing the characteristics of the ITBs in tokamak and …

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 …

Progress in the development and understanding of a high poloidal-beta tokamak operating scenario for an attractive fusion pilot plant

S Ding, AM Garofalo - Reviews of Modern Plasma Physics, 2022 - Springer
The high poloidal-beta (β P) regime was first proposed as a high bootstrap current scenario
for a steady-state fusion pilot plant (FPP) in the 1990s (Kikuchi in Nucl Fusion 30: 265 …

Integration of full divertor detachment with improved core confinement for tokamak fusion plasmas

L Wang, HQ Wang, S Ding, AM Garofalo… - Nature …, 2021 - nature.com
Divertor detachment offers a promising solution to the challenge of plasma-wall interactions
for steady-state operation of fusion reactors. Here, we demonstrate the excellent …

A high-density and high-confinement tokamak plasma regime for fusion energy

S Ding, AM Garofalo, HQ Wang, DB Weisberg, ZY Li… - Nature, 2024 - nature.com
The tokamak approach, utilizing a toroidal magnetic field configuration to confine a hot
plasma, is one of the most promising designs for developing reactors that can exploit …

Geometry dependence of the fluctuation intensity in gyrokinetic turbulence

GM Staebler, J Candy, EA Belli, JE Kinsey… - Plasma Physics and …, 2020 - iopscience.iop.org
The findings of an investigation into the properties of the three dimensional (3D) saturated
fluctuation intensity of the electric potential in gyrokinetic turbulence simulations is …

The role of zonal flows in the saturation of multi-scale gyrokinetic turbulence

GM Staebler, J Candy, NT Howard, C Holland - Physics of Plasmas, 2016 - pubs.aip.org
The 2D spectrum of the saturated electric potential from gyrokinetic turbulence simulations
that include both ion and electron scales (multi-scale) in axisymmetric tokamak geometry is …

Development of an operation trajectory design algorithm for control of multiple 0D parameters using deep reinforcement learning in KSTAR

J Seo, YS Na, B Kim, CY Lee, MS Park, SJ Park… - Nuclear …, 2022 - iopscience.iop.org
This work develops an artificially intelligent (AI) tokamak operation design algorithm that
provides an adequate operation trajectory to control multiple plasma parameters …

Present state of Chinese magnetic fusion development and future plans

J Li, Y Wan - Journal of Fusion Energy, 2019 - Springer
Chinese magnetic confinement fusion (MCF) development has made significant progress
during the past decade. With successful construction and operation of the EAST …

Advances in plasma–wall interaction control for H-mode operation over 100 s with ITER-like tungsten divertor on EAST

L Wang, HY Guo, F Ding, YW Yu, QP Yuan… - Nuclear …, 2019 - iopscience.iop.org
A total power injection up to 0.3 GJ has been achieved in EAST long pulse H-mode
operation of 101.2 s with an ITER-like water-cooled tungsten (W) mono-block divertor, which …