Experimental observations of driven and intrinsic rotation in tokamak plasmas

JE Rice - Plasma Physics and Controlled Fusion, 2016 - iopscience.iop.org
Experimental observations of driven and intrinsic rotation in tokamak plasmas are reviewed.
For momentum sources, there is direct drive from neutral beam injection, lower hybrid and …

Progress of the KSTAR research program exploring the advanced high performance and steady-state plasma operations

YK Oh, S Yoon, YM Jeon, WH Ko, SH Hong… - Journal of the Korean …, 2018 - Springer
Abstract Korea Superconducting Tokamak Advanced Research (KSTAR) program is
strongly focused on solving the scientific and technological issues in steady-state high …

Observation of a new type of self-generated current in magnetized plasmas

YS Na, J Seo, Y Lee, G Choi, M Park, S Park… - Nature …, 2022 - nature.com
A tokamak, a torus-shaped nuclear fusion device, needs an electric current in the plasma to
produce magnetic field in the poloidal direction for confining fusion plasmas. Plasma current …

Global gyrokinetic simulations of intrinsic rotation in ASDEX Upgrade Ohmic L-mode plasmas

WA Hornsby, C Angioni, ZX Lu, E Fable… - Nuclear …, 2018 - iopscience.iop.org
Non-linear, radially global, turbulence simulations of ASDEX Upgrade (AUG) plasmas are
performed and the nonlinear generated intrinsic flow shows agreement with the intrinsic flow …

Intrinsic rotation in axisymmetric devices

T Stoltzfus-Dueck - Plasma Physics and Controlled Fusion, 2019 - iopscience.iop.org
Toroidal rotation is critical for fusion in tokamaks, since it stabilizes instabilities that can
otherwise cause disruptions or degrade confinement. Unlike present-day devices, ITER …

Threshold density for toroidal rotation reversal bifurcation induced by symmetry breaking

H Li, Y Sun, L Wang - Physics of Plasmas, 2023 - pubs.aip.org
Threshold density for intrinsic toroidal rotation reversal is studied using a newly proposed
model [Li et al., Nucl. Fusion 61, 104002 (2021)] based on the neoclassical toroidal plasma …

Intrinsic rotation reversal, non-local transport, and turbulence transition in KSTAR L-mode plasmas

YJ Shi, JM Kwon, PH Diamond, WH Ko, MJ Choi… - Nuclear …, 2017 - iopscience.iop.org
Experiments of electron cyclotron resonance heating (ECH) power scan in KSTAR tokamak
clearly demonstrate that both the cutoff density for non-local heat transport (NLT) and the …

Understanding LOC/SOC phenomenology in tokamaks

JE Rice, J Citrin, NM Cao, PH Diamond… - Nuclear …, 2020 - iopscience.iop.org
Phenomenology of Ohmic energy confinement saturation in tokamaks is reviewed.
Characteristics of the linear Ohmic confinement (LOC) and saturated Ohmic confinement …

Experimental observations and modelling of intrinsic rotation reversals in tokamaks

Y Camenen, C Angioni, A Bortolon… - Plasma Physics and …, 2017 - iopscience.iop.org
The progress made in understanding spontaneous toroidal rotation reversals in tokamaks is
reviewed and current ideas to solve this ten-year-old puzzle are explored. The paper …

Symmetry breaking driving spontaneous plasma rotation in tokamak fusion devices

H Li, Y Sun, L Wang, K He, KC Shaing - Nuclear Fusion, 2021 - iopscience.iop.org
Plasma rotation plays a critical role in improving plasma confinement in a magnetically
confined fusion device. Spontaneous plasma rotation and its reversal of orientation without …