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Comptes Rendus Physique
Volume 7, n° 6
pages 679-685 (juillet-août 2006)
Doi : 10.1016/j.crhy.2006.06.012
Intermittency and structures in edge plasma turbulence
Intermittence et turbulence dans les plasmas de bord
 

Carlos Hidalgo , Boudewijn Ph. van Milligen, M. Angeles Pedrosa
Laboratorio Nacional de Fusion, Asociación Euratom-Ciemat, 28040 Madrid, Spain 

Corresponding author.
Abstract

A view of the mechanisms underlying particle and energy transport in fusion plasmas devices is presented. Heat and energy transport in fusion plasmas is partly due to turbulent processes having an intermittent character and presenting some universal features. The improved understanding of intermittent turbulent transport is changing the standard picture of transport, based on local diffusive mechanisms. The development of new diagnostic methods and the improvement of modeling tools are spawning a new era in fusion plasma research, in which the non-equilibrium aspects of the systems under study is carefully taken into account in order to unravel the global picture connecting transport, gradients and flows. To cite this article: C. Hidalgo et al., C. R. Physique 7 (2006).

The full text of this article is available in PDF format.
Résumé

Cette revue présente les mécanismes sous-jacents au transport de particules et dʼénergie dans les plasmas de fusion magnétique. Le transport de chaleur et dʼénergie dans les plasmas de fusion est partiellement due à des processus turbulents qui présentent un caractère intermittent et des propriétés universelles. La compréhension croissante du transport turbulent intermittent change profondément la description usuelle en terme de mécanismes diffusifs locaux. Le développement de nouveaux diagnostics et lʼamélioration des outils de modélisation ouvrent une nouvelle voie dans les recherches sur les plasmas de fusion. Dans cette nouvelle approche, les aspects hors-équilibre des systèmes étudiés sont intégralement pris en compte afin de conduire à une description globale reliant le transport, les gradients et les écoulements. Pour citer cet article : C. Hidalgo et al., C. R. Physique 7 (2006).

The full text of this article is available in PDF format.

Keywords : Plasma fusion, Edge plasma, Turbulence

Mots-clés : Plasma de fusion, Plasma de bord, Turbulence




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