Journal
PHYSICS OF PLASMAS
Volume 18, Issue 10, Pages -Publisher
AIP Publishing
DOI: 10.1063/1.3640506
Keywords
plasma boundary layers; plasma toroidal confinement; plasma transport processes; Tokamak devices
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Funding
- U. S. Department of Energy, Georgia Tech Research Corporation [FE-FG01-ER54538]
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Calculation models are presented for treating ion orbit loss effects in interpretive fluid transport calculations for the tokamak edge pedestal. Both standard ion orbit loss of particles following trapped or passing orbits across the separatrix and the X-loss of particles that are poloidally trapped in a narrow null-B-theta region extending inward from the X-point, where they gradB and curvature drift outward, are considered. Calculations are presented for a representative DIII-D [J. Luxon, Nucl. Fusion 42, 614 (2002)] shot which indicate that ion orbit loss effects are significant and should be taken into account in calculations of present and future experiments. (C) 2011 American Institute of Physics. [doi:10.1063/1.3640506]
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