A neoclassical model for toroidal rotation and the radial electric field in the edge pedestal | Zendy

Weston M. Stacey | Zendy

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A neoclassical model for toroidal rotation and the radial electric field in the edge pedestal

Author(s) -

Weston M. Stacey

Publication year - 2004

Publication title -

physics of plasmas

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.75

H-Index - 160

eISSN - 1089-7674

pISSN - 1070-664X

DOI - 10.1063/1.1710520

Subject(s) - pedestal , physics , toroid , tokamak , electric field , rotation (mathematics) , enhanced data rates for gsm evolution , momentum (technical analysis) , plasma , mechanics , nuclear physics , geometry , quantum mechanics , telecommunications , mathematics , archaeology , finance , computer science , economics , history

A model for the calculation of toroidal rotation velocities and the radial electric field in the edge pedestal of tokamaks is described. The model is based on particle and momentum balance and the use of the neoclassical gyroviscous expression for the toroidal viscous force. Predicted toroidal rotation velocities in the edge pedestal are found to agree with measured values to within about a factor of 2 or less, for a range of DIII-D (Luxon, Nucl. Fusion, 42, 614, 2002) edge pedestal conditions.

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