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Title: Viscous damping of toroidal angular momentum in tokamaks

Journal Article · · Physics of Plasmas
DOI:https://doi.org/10.1063/1.4896719· OSTI ID:22303439
 [1]
  1. Georgia Tech Fusion Research Center, Atlanta, Georgia 30332 (United States)

The Braginskii viscous stress tensor formalism was generalized to accommodate non-axisymmetric 3D magnetic fields in general toroidal flux surface geometry in order to provide a representation for the viscous damping of toroidal rotation in tokamaks arising from various “neoclassical toroidal viscosity” mechanisms. In the process, it was verified that the parallel viscosity contribution to damping toroidal angular momentum still vanishes even in the presence of toroidal asymmetries, unless there are 3D radial magnetic fields.

OSTI ID:
22303439
Journal Information:
Physics of Plasmas, Vol. 21, Issue 9; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); ISSN 1070-664X
Country of Publication:
United States
Language:
English