Extended Magneto-Hydro-Dynamic model for Neoclassical Tearing Mode Computations - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Nuclear Fusion Année : 2016

Extended Magneto-Hydro-Dynamic model for Neoclassical Tearing Mode Computations

Modèle Magnéto-Hydro-Dynamique pour la simulation d'îlot néoclassiques dans les tokamaks

Résumé

A self-consistent fluid model for describing Neoclassical Tearing Modes in global Magneto-Hydro-Dynamic simulations is presented. It is illustrated by its application to a simple toroidal configuration unstable to the (2, 1) tearing mode. The island saturation is verified to increase with the bootstrap current fraction. New features that are specific to this model are evidenced, like the unsteady saturated state of the island, and its deformation to a droplet shape, when the magnetic Prandtl number is not too high. Synthetic diagnostics demonstrate that diamagnetic and neoclassical effects should have in this case a measurable impact on the signature of magnetic islands.
Fichier principal
Vignette du fichier
XTORNEOref_HAL.pdf (1.55 Mo) Télécharger le fichier
Origine : Fichiers produits par l'(les) auteur(s)
Loading...

Dates et versions

hal-01342244 , version 1 (05-07-2016)

Identifiants

Citer

Patrick Maget, Olivier Février, Xavier Garbet, Hinrich Lütjens, Jean-Francois Luciani, et al.. Extended Magneto-Hydro-Dynamic model for Neoclassical Tearing Mode Computations. Nuclear Fusion, 2016, 56 (8), pp.086004. ⟨10.1088/0029-5515/56/8/086004⟩. ⟨hal-01342244⟩
238 Consultations
534 Téléchargements

Altmetric

Partager

Gmail Facebook X LinkedIn More