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Title: Gyrokinetic particle simulation of a field reversed configuration

Gyrokinetic particle simulation of the field-reversed configuration (FRC) has been developed using the gyrokinetic toroidal code (GTC). The magnetohydrodynamic equilibrium is mapped from cylindrical coordinates to Boozer coordinates for the FRC core and scrape-off layer (SOL), respectively. A field-aligned mesh is constructed for solving self-consistent electric fields using a semi-spectral solver in a partial torus FRC geometry. This new simulation capability has been successfully verified and driftwave instability in the FRC has been studied using the gyrokinetic simulation for the first time. Initial GTC simulations find that in the FRC core, the ion-scale driftwave is stabilized by the large ion gyroradius. In the SOL, the driftwave is unstable on both ion and electron scales.
Authors:
; ; ;  [1] ;  [2]
  1. Department of Physics and Astronomy, University of California, Irvine, California 92697 (United States)
  2. Tri Alpha Energy, Inc., Rancho Santa Margarita, California 92688 (United States)
Publication Date:
OSTI Identifier:
22493818
Resource Type:
Journal Article
Resource Relation:
Journal Name: Physics of Plasmas; Journal Volume: 23; Journal Issue: 1; Other Information: (c) 2016 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; CYLINDRICAL CONFIGURATION; ELECTRIC FIELDS; ELECTRONS; FIELD-REVERSED THETA PINCH DEVICES; MHD EQUILIBRIUM; PLASMA INSTABILITY; PLASMA SCRAPE-OFF LAYER; PLASMA SIMULATION