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 …

Dust and powder in fusion plasmas: Recent developments in theory, modeling, and experiments

S Ratynskaia, A Bortolon, SI Krasheninnikov - Reviews of Modern Plasma …, 2022 - Springer
In this paper, we present a brief historic overview of the research on dust in fusion devices
with carbon plasma-facing components and then highlight the most recent developments in …

Presentation of the new SOLPS-ITER code package for tokamak plasma edge modelling

X Bonnin, W Dekeyser, R Pitts, D Coster… - Plasma and Fusion …, 2016 - jstage.jst.go.jp
Simulations of ITER divertor performance, geometry optimization and estimates of key
related parameters such as fuelling throughput have historically relied on the SOLPS …

Overview of the SPARC physics basis towards the exploration of burning-plasma regimes in high-field, compact tokamaks

P Rodriguez-Fernandez, AJ Creely… - Nuclear …, 2022 - iopscience.iop.org
The SPARC tokamak project, currently in engineering design, aims to achieve breakeven
and burning plasma conditions in a compact device, thanks to new developments in high …

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 …

On mechanisms of impurity leakage and retention in the tokamak divertor

IY Senichenkov, EG Kaveeva, EA Sytova… - Plasma Physics and …, 2019 - iopscience.iop.org
Impurity seeding into a tokamak divertor for radiative cooling is considered as a tool for
achieving detached/semi-detached regimes required to meet the condition of acceptable …

Divertor heat flux challenge and mitigation in SPARC

AQ Kuang, S Ballinger, D Brunner, J Canik… - Journal of Plasma …, 2020 - cambridge.org
Owing to its high magnetic field, high power, and compact size, the SPARC experiment will
operate with divertor conditions at or above those expected in reactor-class tokamaks …

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 …

Model for access and stability of the X-point radiator and the threshold for marfes in tokamak plasmas

U Stroth, M Bernert, D Brida, M Cavedon, R Dux… - Nuclear …, 2022 - iopscience.iop.org
Based on particle and energy balances, a reduced model is derived for the physical
mechanisms leading to the occurrence of stable and unstable X-point radiators (XPRs), the …

Erosion, screening, and migration of tungsten in the JET divertor

S Brezinsek, A Kirschner, M Mayer… - Nuclear …, 2019 - iopscience.iop.org
The erosion of tungsten (W), induced by the bombardment of plasma and impurity particles,
determines the lifetime of plasma-facing components as well as impacting on plasma …