Four-fluid axisymmetric plasma equilibrium model including relativistic electrons and computational method and results
نویسندگان
چکیده
A non-relativistic multi-fluid plasma axisymmetric equilibrium model [A. Ishida et al., “Three-fluid and application to spherical torus plasmas sustained by RF electron heating,” Plasma Fusion Res. 10, 1403084 (2015)] was developed recently account for the presence of an energetic fluid in addition thermal ion fluids. The formulation a with relativistic electrons is reported this paper. Relativistic effects approximation can appear two ways: due large macroscopic velocity comparable speed light particle's microscopic random motion which becomes significant if temperature or larger than rest mass energy. It found that axial component generalized angular momentum be used describe equilibrium. applied four-fluid composed fluid, fluids species (e.g., proton boron ions). density expression consistent electrostatic potential obtained computation. An example approximating observed solenoid-free ECRH [Y.-K. M. Peng “Initial results EXL-50 experiment,” (to published)] calculated presented. second extends first 679 keV revealing effects.
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ژورنال
عنوان ژورنال: Physics of Plasmas
سال: 2021
ISSN: ['1070-664X', '1527-2419', '1089-7674']
DOI: https://doi.org/10.1063/5.0027718