Stabilization of tokamak Ohmic discharges at the density limit by means of the ergodic divertor

Journal Article · Mon Nov 04 00:00:00 EST 1991 · Physical Review Letters; (United States)

DOI:https://doi.org/10.1103/PhysRevLett.67.2662· OSTI ID:5021021

Vallet, J C; Poutchy, L; Mohamed-Benkadda, M S; Edery, D; Joffrin, E; Lecoustey, P; Pecquet, A L; Samain, A; Talvard, M ^[1]

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1. Association EURATOM-Commissariat a l'Energie Atomique sur la Fusion, Centre d'Etudes Nucleaires, Cadarache, F-13108 Saint-Paul-lez-Durance CEDEX (France)

The stabilization of both the ({ital m}=2, {ital n}=1) tearing mode and a detached plasma has been obtained with the use of the ergodic divertor in Tore Supra Ohmically heated discharges at the density limit and for low plasma pressure. This has allowed us, for the first time, to define and to check a discharge piloting strategy to prevent density-limit disruptions and to create a stable edge-radiating layer that dissipates 100% of the input power.

• OSTI ID: 5021021
• Journal Information: Physical Review Letters; (United States), Vol. 67:19; ISSN 0031-9007
• Country of Publication: United States
• Language: English

Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
TOKAMAK DEVICES
PLASMA MACROINSTABILITIES
DIVERTORS
ELECTRIC DISCHARGES
ERGODIC HYPOTHESIS
EXPERIMENTAL DATA
JOULE HEATING
PLASMA DISRUPTION
STABILIZATION
TEARING INSTABILITY
CLOSED PLASMA DEVICES
DATA
ELECTRIC HEATING
HEATING
HYPOTHESIS
INFORMATION
INSTABILITY
NUMERICAL DATA
PLASMA HEATING
PLASMA INSTABILITY
RESISTANCE HEATING
THERMONUCLEAR DEVICES
700107* - Fusion Energy- Plasma Research- Instabilities