Plasma-material interactions in current tokamaks and their implications for next step fusion reactors

G Federici, CH Skinner, JN Brooks, JP Coad… - Nuclear …, 2001 - iopscience.iop.org
The major increase in discharge duration and plasma energy in a next step DT fusion
reactor will give rise to important plasma-material effects that will critically influence its …

Density limits in toroidal plasmas

M Greenwald - Plasma Physics and Controlled Fusion, 2002 - iopscience.iop.org
In addition to the operational limits imposed by MHD stability on plasma current and
pressure, an independent limit on plasma density is observed in confined toroidal plasmas …

Overview of the SPARC tokamak

AJ Creely, MJ Greenwald, SB Ballinger… - Journal of Plasma …, 2020 - cambridge.org
The SPARC tokamak is a critical next step towards commercial fusion energy. SPARC is
designed as a high-field () relevant to fusion power plants. SPARC's place in the path to …

ARC: A compact, high-field, fusion nuclear science facility and demonstration power plant with demountable magnets

BN Sorbom, J Ball, TR Palmer, FJ Mangiarotti… - Fusion Engineering and …, 2015 - Elsevier
The affordable, robust, compact (ARC) reactor is the product of a conceptual design study
aimed at reducing the size, cost, and complexity of a combined fusion nuclear science …

Plasma confinement and transport

EJ Doyle, WA Houlberg, Y Kamada… - Nuclear …, 2007 - iopscience.iop.org
The understanding and predictive capability of transport physics and plasma confinement is
reviewed from the perspective of achieving reactor-scale burning plasmas in the ITER …

I-mode: an H-mode energy confinement regime with L-mode particle transport in Alcator C-Mod

DG Whyte, AE Hubbard, JW Hughes… - Nuclear …, 2010 - iopscience.iop.org
An improved energy confinement regime, I-mode, is studied in Alcator C-Mod, a compact
high-field divertor tokamak using ion cyclotron range of frequencies (ICRFs) auxiliary …

Multi-scale gyrokinetic simulation of tokamak plasmas: enhanced heat loss due to cross-scale coupling of plasma turbulence

NT Howard, C Holland, AE White, M Greenwald… - Nuclear …, 2015 - iopscience.iop.org
The transport of heat in laboratory and astrophysical plasmas is dominated by the complex
nonlinear dynamics of plasma turbulence. In magnetically confined plasmas used for fusion …

Realization of thousand-second improved confinement plasma with Super I-mode in Tokamak EAST

Y Song, X Zou, X Gong, A Becoulet, R Buttery… - Science …, 2023 - science.org
Mastering nuclear fusion, which is an abundant, safe, and environmentally competitive
energy, is a great challenge for humanity. Tokamak represents one of the most promising …

Characterization of enhanced high-confinement modes in Alcator C-Mod

M Greenwald, R Boivin, P Bonoli, R Budny… - Physics of …, 1999 - pubs.aip.org
Regimes of high-confinement mode have been studied in the Alcator C-Mod tokamak
[Hutchinson et al., Phys. Plasmas 1, 1511 (1994)]. Plasmas with no edge localized modes …

Edge radial electric field structure and its connections to H-mode confinement in Alcator C-Mod plasmas

RM McDermott, B Lipschultz, JW Hughes, PJ Catto… - Physics of …, 2009 - pubs.aip.org
High-resolution charge-exchange recombination spectroscopic measurements of B 5+ ions
have enabled the first spatially resolved calculations of the radial electric field (E r) in the …