Global gyrokinetic simulation of tokamak transport

A kinetic simulation code based on the gyrokinetic ion dynamics in global general metric (including a tokamak with circular or noncircular cross-section) has been developed. This gyrokinetic simulation is capable of examining the global and semi-global driftwave structures and their associated trans...

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Bibliographic Details
Published in:Physics of plasmas 1999-04, Vol.6 (4), p.1227-1245
Main Authors: Furnish, G., Horton, W., Kishimoto, Y., LeBrun, M., Tajima, T.
Format: Article
Language:English
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Summary:A kinetic simulation code based on the gyrokinetic ion dynamics in global general metric (including a tokamak with circular or noncircular cross-section) has been developed. This gyrokinetic simulation is capable of examining the global and semi-global driftwave structures and their associated transport in a tokamak plasma. We investigate the property of the ion temperature gradient (ITG) or η i (η i ≡∂  ln  T i /∂  ln  n i ) driven drift waves in a tokamak plasma. The emergent semi-global drift wave modes give rise to thermal transport characterized by the Bohm scaling.
ISSN:1070-664X
1089-7674
DOI:10.1063/1.873366