Simulations in the era of exascale computing

C Chang, VL Deringer, KS Katti… - Nature Reviews …, 2023‏ - nature.com
Exascale computers—supercomputers that can perform 1018 floating point operations per
second—started coming online in 2022: in the United States, Frontier launched as the first …

Physics basis for the first ITER tungsten divertor

RA Pitts, X Bonnin, F Escourbiac, H Frerichs… - Nuclear Materials and …, 2019‏ - Elsevier
On the eve of component procurement, this paper discusses the present physics basis for
the first ITER tungsten (W) divertor, beginning with a reminder of the key elements defining …

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 …

Overview of the DEMO staged design approach in Europe

G Federici, C Bachmann, L Barucca, C Baylard… - Nuclear …, 2019‏ - iopscience.iop.org
This paper describes the status of the pre-conceptual design activities in Europe to advance
the technical basis of the design of a DEMOnstration Fusion Power Plant (DEMO) to come in …

Physics and technology considerations for the deuterium–tritium fuel cycle and conditions for tritium fuel self sufficiency

M Abdou, M Riva, A Ying, C Day, A Loarte… - Nuclear …, 2020‏ - iopscience.iop.org
The tritium aspects of the DT fuel cycle embody some of the most challenging feasibility and
attractiveness issues in the development of fusion systems. The review and analyses in this …

Physics of ultimate detachment of a tokamak divertor plasma

SI Krasheninnikov, AS Kukushkin - Journal of Plasma Physics, 2017‏ - cambridge.org
The basic physics of the processes playing the most important role in divertor plasma
detachment is reviewed. The models used in the two-dimensional edge plasma transport …

How turbulence spreading improves power handling in quiescent high confinement fusion plasmas

Z Li, X Chen, PH Diamond, X Xu, X Qin… - Communications …, 2024‏ - nature.com
Viable magnetic fusion devices necessitate combining good confinement with effective
power flux handling. A major concern for ITER, and devices beyond, is the divertor heat load …

Gyrokinetic analysis and simulation of pedestals to identify the culprits for energy losses using 'fingerprints'

M Kotschenreuther, X Liu, DR Hatch, S Mahajan… - Nuclear …, 2019‏ - iopscience.iop.org
Fusion performance in tokamaks hinges critically on the efficacy of the edge transport barrier
(ETB) in suppressing energy losses. The new concept of'fingerprints' is introduced to identify …

Turbulence driven widening of the near-SOL power width in ASDEX Upgrade H-Mode discharges

T Eich, P Manz, RJ Goldston, P Hennequin… - Nuclear …, 2020‏ - iopscience.iop.org
Turbulence driven widening of the near-SOL power width in ASDEX Upgrade H-Mode
discharges - IOPscience Skip to content IOP Science home Accessibility Help Search Journals …

Analysis and expansion of the quasi-continuous exhaust (QCE) regime in ASDEX Upgrade

M Faitsch, T Eich, GF Harrer, E Wolfrum, D Brida… - Nuclear …, 2023‏ - iopscience.iop.org
The quasi-continuous exhaust (QCE) regime, formerly known as either type-II ELM or small
ELM regime is studied in ASDEX Upgrade. The regime is a natural type-I ELM-free H-mode …