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 …

Integration of full divertor detachment with improved core confinement for tokamak fusion plasmas

L Wang, HQ Wang, S Ding, AM Garofalo… - Nature …, 2021 - nature.com
Divertor detachment offers a promising solution to the challenge of plasma-wall interactions
for steady-state operation of fusion reactors. Here, we demonstrate the excellent …

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 …

Peripheral temperature gradient screening of high-Z impurities in optimised 'hybrid'scenario H-mode plasmas in JET-ILW

AR Field, FJ Casson, D Fajardo, C Angioni… - Nuclear …, 2022 - iopscience.iop.org
Screening of high-Z (W) impurities from the confined plasma by the temperature gradient at
the plasma periphery of fusion-grade H-mode plasmas has been demonstrated in the JET …

Pedestal structure, stability and scalings in JET-ILW: the EUROfusion JET-ILW pedestal database

L Frassinetti, S Saarelma, G Verdoolaege… - Nuclear …, 2020 - iopscience.iop.org
Abstract The EUROfusion JET-ILW pedestal database is described, with emphasis on three
main issues. First, the technical aspects are introduced, including a description of the data …

Role of the separatrix density in the pedestal performance in deuterium low triangularity JET-ILW plasmas and comparison with JET-C

L Frassinetti, CP Von Thun, B Chapman, A Fil… - Nuclear …, 2021 - iopscience.iop.org
A reduction of the pedestal pressure with increasing separatrix density over pedestal density
(ne sep/ne ped) has been observed in JET. The physics behind this correlation is …

Divertor impurity seeding with a new feedback control scheme for maintaining good core confinement in grassy-ELM H-mode regime with tungsten monoblock divertor …

GS Xu, QP Yuan, KD Li, L Wang, JC Xu… - Nuclear …, 2020 - iopscience.iop.org
Small perturbations and strong impurity exhaust capability associated with the small grassy
ELMs render the grassy-ELM regime a suitable candidate for achieving steady-state H …

[HTML][HTML] Development of the neutral model in the nonlinear MHD code JOREK: Application to E× B drifts in ITER PFPO-1 plasmas

SQ Korving, GTA Huijsmans, JS Park, A Loarte… - Physics of …, 2023 - pubs.aip.org
The prediction of power fluxes and plasma-wall interactions impacted by MHD processes
during ITER operation [disruption, Edge Localized Modes (ELMs), 3D magnetic fields …

SOLPS-ITER modeling of divertor scenarios for EU-DEMO

F Subba, DP Coster, M Moscheni, M Siccinio - Nuclear Fusion, 2021 - iopscience.iop.org
We developed a first single null divertor scenario for EU-DEMO with the SOLPS-ITER code,
including all charge states of D, He and Ar in the simulation and kinetic analysis of the …

Nitrogen-seeded divertor detachment in TCV L-mode plasmas

O Février, C Theiler, JR Harrison, CK Tsui… - Plasma Physics and …, 2020 - iopscience.iop.org
Most of the detachment experiments done to date on the tokamak à configuration variable
(TCV), both in standard and alternative divertor geometries, focused on L-mode integrated …