Hydrogen transport in a toroidal plasma using multigroup discrete-ordinates methodology
Journal Article
·
· Nucl. Technol.; (United States)
OSTI ID:6360223
Neutral hydrogen transport in a fully ionized two-dimensional tokamak plasma was examined using discrete ordinates and contrasted with earlier analyses. In particular, curvature effects induced by toroidal geometries and ray effects caused by possible source localization were investigated. From an overview of the multigroup discrete-ordinates approximation, methodology in two-dimensional cylindrical geometry is detailed, mesh and plasma zoning procedures are sketched, and the piecewise polynomial solution algorithm on a triangular domain is obtained. Toroidal effects and comparisons as related to reaction rates and perticle spectra are examined for various model and source configurations.
- Research Organization:
- Univ. of California, Los Alamos, NM
- OSTI ID:
- 6360223
- Journal Information:
- Nucl. Technol.; (United States), Journal Name: Nucl. Technol.; (United States) Vol. 42:3; ISSN NUTYB
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700105* -- Fusion Energy-- Plasma Research-- Plasma Kinetics-Theoretical-- (-1987)
ALGORITHMS
CLOSED PLASMA DEVICES
CRYOGENIC FLUIDS
DISCRETE ORDINATE METHOD
ELEMENTS
FLUIDS
HYDROGEN
MATHEMATICAL LOGIC
NONMETALS
PLASMA DRIFT
THERMONUCLEAR DEVICES
TOKAMAK DEVICES
TRANSPORT THEORY
TWO-DIMENSIONAL CALCULATIONS
700105* -- Fusion Energy-- Plasma Research-- Plasma Kinetics-Theoretical-- (-1987)
ALGORITHMS
CLOSED PLASMA DEVICES
CRYOGENIC FLUIDS
DISCRETE ORDINATE METHOD
ELEMENTS
FLUIDS
HYDROGEN
MATHEMATICAL LOGIC
NONMETALS
PLASMA DRIFT
THERMONUCLEAR DEVICES
TOKAMAK DEVICES
TRANSPORT THEORY
TWO-DIMENSIONAL CALCULATIONS