Journal
PHYSICS OF PLASMAS
Volume 17, Issue 12, Pages -Publisher
AIP Publishing
DOI: 10.1063/1.3505308
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Funding
- U.S. Department of Energy [DE-FG02-95ER54309]
- U.S. Department of Energy (DOE) [DE-FG02-95ER54309] Funding Source: U.S. Department of Energy (DOE)
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Accurately modeling electron collisions in the trapped gyro-Landau fluid (TGLF) equations has been a major challenge. Insights gained from numerically solving the gyrokinetic equation have lead to a significant improvement of the low order TGLF model. The theoretical motivation and verification of this model with the velocity-space gyrokinetic code GYRO [J. Candy and R. E. Waltz, J. Comput. Phys. 186, 545 (2003)] will be presented. The improvement in the fidelity of TGLF to GYRO is shown to also lead to better prediction of experimental temperature profiles by TGLF for a dedicated collision frequency scan. (C) 2010 American Institute of Physics. [doi:10.1063/1.3505308]
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