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 …

Integrated modeling applications for tokamak experiments with OMFIT

O Meneghini, SP Smith, LL Lao, O Izacard… - Nuclear …, 2015 - iopscience.iop.org
One modeling framework for integrated tasks (OMFIT) is a comprehensive integrated
modeling framework which has been developed to enable physics codes to interact in …

Plasma performance and operational space without ELMs in DIII-D

C Paz-Soldan, DIII-D Team - Plasma Physics and Controlled …, 2021 - iopscience.iop.org
Abstract A database of DIII-D plasmas without edge-localized modes (ELMs) compares the
operating space and plasma performance of stationary no-ELM regimes found in …

Pedestal bifurcation and resonant field penetration at the threshold of edge-localized mode suppression in the DIII-D tokamak

R Nazikian, C Paz-Soldan, JD Callen, JS DeGrassie… - Physical review …, 2015 - APS
Rapid bifurcations in the plasma response to slowly varying n= 2 magnetic fields are
observed as the plasma transitions into and out of edge-localized mode (ELM) suppression …

Experimental conditions to suppress edge localised modes by magnetic perturbations in the ASDEX Upgrade tokamak

W Suttrop, A Kirk, V Bobkov, M Cavedon… - Nuclear …, 2018 - iopscience.iop.org
Access conditions for full suppression of edge localised modes (ELMs) by magnetic
perturbations (MP) in low density high confinement mode (H-mode) plasmas are studied in …

3D field phase-space control in tokamak plasmas

JK Park, YM Jeon, Y In, JW Ahn, R Nazikian, G Park… - Nature Physics, 2018 - nature.com
A small relaxation of the axisymmetric magnetic field of a tokamak into a non-axisymmetric
three-dimensional (3D) configuration can be effective to control magnetohydrodynamic …

Observation of magnetic islands in tokamak plasmas during the suppression of edge-localized modes

M Willensdorfer, V Mitterauer, M Hoelzl, W Suttrop… - Nature Physics, 2024 - nature.com
In tokamaks, a leading platform for fusion energy, periodic filamentary plasma eruptions
known as edge-localized modes occur in plasmas with high-energy confinement and steep …

Edge localized mode control using n= 1 resonant magnetic perturbation in the EAST tokamak

Y Sun, M Jia, Q Zang, L Wang, Y Liang, YQ Liu… - Nuclear …, 2016 - iopscience.iop.org
A set of in-vessel resonant magnetic perturbation (RMP) coil has been recently installed in
EAST. It can generate a range of spectrum, and there is a relatively large window for edge …

Tokamak edge localized mode onset prediction with deep neural network and pedestal turbulence

S Joung, DR Smith, G McKee, Z Yan, K Gill… - Nuclear …, 2024 - iopscience.iop.org
A neural network, BES-ELMnet, predicting a quasi-periodic disruptive eruption of the plasma
energy and particles known as edge localized mode (ELM) onset is developed with …

Wide operational windows of edge-localized mode suppression by resonant magnetic perturbations in the DIII-D tokamak

QM Hu, R Nazikian, BA Grierson, NC Logan… - Physical Review Letters, 2020 - APS
Edge-localized mode (ELM) suppression by resonant magnetic perturbations (RMPs)
generally occurs over very narrow ranges of the plasma current (or magnetic safety factor q …