Parallel velocity in a narrow scrape-off layer of a tokamak

Parallel flows in the scrape-off layer (SOL) of a tokamak are analyzed with emphasis on the narrow SOL. It is demonstrated that in addition to the known Pfirsch-Schlüter flows there exists a poloidally independent parallel flow in the co-current direction driven by the parallel viscosity. The flow i...

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Bibliographic Details
Published in:Plasma physics and controlled fusion 2012-10, Vol.54 (10), p.102001
Main Author: Rozhansky, V
Format: Article
Language:English
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Summary:Parallel flows in the scrape-off layer (SOL) of a tokamak are analyzed with emphasis on the narrow SOL. It is demonstrated that in addition to the known Pfirsch-Schlüter flows there exists a poloidally independent parallel flow in the co-current direction driven by the parallel viscosity. The flow is proportional to the temperature and is inversely proportional to the poloidal magnetic field.
ISSN:0741-3335
1361-6587
DOI:10.1088/0741-3335/54/10/102001