Edge-localized-modes in tokamaks
AW Leonard - Physics of Plasmas, 2014 - pubs.aip.org
Edge-localized-modes (ELMs) are a ubiquitous feature of H-mode in tokamaks. When
gradients in the H-mode transport barrier grow to exceed the MHD stability limit the ELM …
gradients in the H-mode transport barrier grow to exceed the MHD stability limit the ELM …
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 …
pedestal structure, which exists at the boundary of magnetically confined plasmas. The …
Enhanced H-mode pedestals with lithium injection in DIII-D
Periods of edge localized mode (ELM)-free H-mode with increased pedestal pressure and
width were observed in the DIII-D tokamak when density fluctuations localized to the region …
width were observed in the DIII-D tokamak when density fluctuations localized to the region …
[HTML][HTML] Impact of wall materials and seeding gases on the pedestal and on core plasma performance
E Wolfrum, M Beurskens, MG Dunne… - Nuclear Materials and …, 2017 - Elsevier
Plasmas in machines with all metal plasma facing components have a lower Z eff, less
radiation cooling in the scrape-off layer and divertor regions and are prone to impurity …
radiation cooling in the scrape-off layer and divertor regions and are prone to impurity …
Testing predictions of electron scale turbulent pedestal transport in two DIII-D ELMy H-modes
W Guttenfelder, RJ Groebner, JM Canik… - Nuclear …, 2021 - iopscience.iop.org
In this paper, we present linear and nonlinear gyrokinetic analyses in the pedestal region of
two DIII-D ELMy H-mode discharges using the CGYRO code. The otherwise matched …
two DIII-D ELMy H-mode discharges using the CGYRO code. The otherwise matched …
New steady-state quiescent high-confinement plasma in an experimental advanced superconducting tokamak
A critical challenge facing the basic long-pulse high-confinement operation scenario (H
mode) for ITER is to control a magnetohydrodynamic (MHD) instability, known as the edge …
mode) for ITER is to control a magnetohydrodynamic (MHD) instability, known as the edge …
First results of the use of a continuously flowing lithium limiter in high performance discharges in the EAST device
JS Hu, GZ Zuo, J Ren, QX Yang, ZX Chen, H Xu… - Nuclear …, 2016 - iopscience.iop.org
As an alternative choice of solid plasma facing components (PFCs), flowing liquid lithium
can serve as a limiter or divertor PFC and offers a self-healing surface with acceptable heat …
can serve as a limiter or divertor PFC and offers a self-healing surface with acceptable heat …
The effect of progressively increasing lithium coatings on plasma discharge characteristics, transport, edge profiles and ELM stability in the National Spherical Torus …
Lithium wall coatings have been shown to reduce recycling, suppress edge-localized modes
(ELMs), and improve energy confinement in the National Spherical Torus Experiment …
(ELMs), and improve energy confinement in the National Spherical Torus Experiment …
Suppression of edge localized modes with real-time boron injection using the tungsten divertor in EAST
We report an observation of robust suppression of edge-localized modes (ELMs) in the
Experimental Advanced Superconducting Tokamak (EAST), enabled by continuous boron …
Experimental Advanced Superconducting Tokamak (EAST), enabled by continuous boron …
Edge and SOL turbulence and blob variations over a large database in NSTX
SJ Zweben, WM Davis, SM Kaye, JR Myra… - Nuclear …, 2015 - iopscience.iop.org
This paper describes the range of variations in edge and SOL turbulence observed using a
gas puff imaging (GPI) diagnostic in NSTX discharges. The database consists of 140 shots …
gas puff imaging (GPI) diagnostic in NSTX discharges. The database consists of 140 shots …