Two-dimensional modelling of blob dynamics in tokamak edge plasmas

Two-dimensional modelling of blob dynamics in tokamak edge plasmas

Dynamics of blobs described by two different models for the closures of parallel plasma current is studied numerically. One of these closures describes the blob sitting on magnetic lines going in the scrape off layer through the conducting surface, while the other one describes the blob with high pl...

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Veröffentlicht in:Physics of plasmas 2006-04, Vol.13 (4), p.042508-042508-8
Hauptverfasser: Yu, G. Q., Krasheninnikov, S. I., Guzdar, P. N.
Format: Artikel
Sprache:eng
Schlagworte:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
ELECTRIC CURRENTS
MAGNETIC FIELDS
PLASMA
PLASMA CONFINEMENT
PLASMA PRESSURE
PLASMA SCRAPE-OFF LAYER
RADIATION TRANSPORT
SURFACES
TOKAMAK DEVICES
TWO-DIMENSIONAL CALCULATIONS
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Beschreibung
Zusammenfassung:Dynamics of blobs described by two different models for the closures of parallel plasma current is studied numerically. One of these closures describes the blob sitting on magnetic lines going in the scrape off layer through the conducting surface, while the other one describes the blob with high plasma pressure where the bending of magnetic field lines becomes important.
ISSN:1070-664X
1089-7674
DOI:10.1063/1.2193087