Nonresonant ELMO Bumpy Torus transport coefficients in the small electric field regime

A conservative BGK collision operator is used to obtain nonresonant neoclassical transport coefficients for a bumpy torus when the ∇B drift dominates over the E×B drift. Previous nonresonant coefficients have considered the opposite limit. For large collisionalities, the diffusion coefficients are o...

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Bibliographic Details
Published in:The Physics of fluids (1958) 1984-02, Vol.27 (2), p.467-471
Main Authors: Hastings, D. E., Tolliver, J. S., Hedrick, C. L.
Format: Article
Language:English
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Summary:A conservative BGK collision operator is used to obtain nonresonant neoclassical transport coefficients for a bumpy torus when the ∇B drift dominates over the E×B drift. Previous nonresonant coefficients have considered the opposite limit. For large collisionalities, the diffusion coefficients are only weakly dependent on the E×B drift, while for small collisionalities, plateau diffusion coefficients are obtained which have an exponential dependence on the E×B drift.
ISSN:0031-9171
2163-4998
DOI:10.1063/1.864643