Resonant magnetic perturbations of edge-plasmas in toroidal confinement devices

TE Evans - Plasma Physics and Controlled Fusion, 2015 - iopscience.iop.org
Controlling the boundary layer in fusion-grade, high-performance, plasma discharges is
essential for the successful development of toroidal magnetic confinement power generating …

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 …

Filamentary plasma eruptions and their control on the route to fusion energy

C Ham, A Kirk, S Pamela, H Wilson - Nature Reviews Physics, 2020 - nature.com
The tokamak is the most advanced approach to fusion and is approaching operation under
power-plant conditions, promising sustainable, low-emission, baseload power to the grid. As …

Access and sustainment of naturally ELM-free and small-ELM regimes

E Viezzer - Nuclear Fusion, 2018 - iopscience.iop.org
Edge localized modes (ELMs) have a detrimental effect on the plasma facing components
and pose one of the most serious obstacles for steady-state operation in a future fusion …

ELM mitigation techniques

TE Evans - Journal of Nuclear Materials, 2013 - Elsevier
Large edge-localized mode (ELM) control techniques must be developed to help ensure the
success of burning and ignited fusion plasma devices such as tokamaks and stellarators. In …

Time-dependent experimental identification of inter-ELM microtearing modes in the tokamak edge on DIII-D

AO Nelson, FM Laggner, A Diallo, D Smith… - Nuclear …, 2021 - iopscience.iop.org
In a series of discharges on the DIII-D tokamak, fast vertical plasma jogs are used to induce
current perturbations in the steep gradient region of the H-mode edge. These current …

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 …

ELM mitigation by supersonic molecular beam injection: KSTAR and HL-2A experiments and theory

WW Xiao, PH Diamond, WC Kim, LH Yao… - Nuclear …, 2014 - iopscience.iop.org
We report recent experimental results from HL-2A and KSTAR on ELM mitigation by
supersonic molecular beam injection (SMBI). Cold particle deposition within the pedestal by …

Understanding the physics of ELM pacing via vertical kicks in JET in view of ITER

E de la Luna, IT Chapman, F Rimini, PJ Lomas… - Nuclear …, 2015 - iopscience.iop.org
Experiments on JET, with both the previous carbon wall (JET-C) and the new Be/W wall (JET-
ILW), have demonstrated the efficacy of using a fast vertical plasma motion (known as …

[HTML][HTML] Design and experimental demonstration of feedback adaptive RMP ELM controller toward complete long pulse ELM suppression on KSTAR

R Shousha, SK Kim, KG Erickson, SH Hahn… - Physics of …, 2022 - pubs.aip.org
Operation of a fusion power plant requires robust edge localized mode (ELM) suppression
simultaneously with high plasma performance. In this paper, we describe a novel feedback …