Three-dimensional magnetohydrodynamic simulations of field error effects in ZT-H and ZT-40 reversed-field pinch devices
Journal Article
·
· Fusion Technol.; (United States)
OSTI ID:5819116
Magnetic perturbations caused by field errors may pose a threat to magnetic confinement. They can cause the formation of magnetic islands, which may increase transport. The response of a reversed-field pinch (RFP) plasma to field errors has been calculated numerically. A three-dimensional nonlinear magneto-hydrodynamic code was used, with field errors specified as boundary conditions. Two types of field errors were studied: those arising from current flowing in the toroidal field coil set and those arising from induced currents in the conducting shell flowing around holes. Design data from two RFPs at the Los Alamos National Laboratory - ZT-40 (currently operating) and ZT-H (being designed) - were used. Results on the effect of the plasma on the radial field perturbation and on island size are given. The effects of the chosen equilibrium current profile resistivity, and viscosity are discussed.
- Research Organization:
- 9512470
- OSTI ID:
- 5819116
- Journal Information:
- Fusion Technol.; (United States), Journal Name: Fusion Technol.; (United States) Vol. 15:1; ISSN FUSTE
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700202 -- Fusion Power Plant Technology-- Magnet Coils & Fields
700207* -- Fusion Power Plant Technology-- Power Conversion Systems
700208 -- Fusion Power Plant Technology-- Inertial Confinement Technology
BOUNDARY CONDITIONS
CALCULATION METHODS
CLOSED PLASMA DEVICES
COMPACT TORUS
COMPUTER CODES
CONFINEMENT
DESIGN
DISTURBANCES
ERRORS
FEDERAL REGION VI
FIELD-REVERSED THETA PINCH DEVICES
FLUID MECHANICS
HYDRODYNAMICS
LOS ALAMOS
MAGNETIC FIELDS
MAGNETOHYDRODYNAMICS
MECHANICS
NEW MEXICO
NONLINEAR PROBLEMS
NORTH AMERICA
PINCH DEVICES
PINCH EFFECT
PLASMA CONFINEMENT
PLASMA SIMULATION
REVERSE-FIELD PINCH
SIMULATION
THERMONUCLEAR DEVICES
THREE-DIMENSIONAL CALCULATIONS
TORI
USA
ZT-40 DEVICES
700202 -- Fusion Power Plant Technology-- Magnet Coils & Fields
700207* -- Fusion Power Plant Technology-- Power Conversion Systems
700208 -- Fusion Power Plant Technology-- Inertial Confinement Technology
BOUNDARY CONDITIONS
CALCULATION METHODS
CLOSED PLASMA DEVICES
COMPACT TORUS
COMPUTER CODES
CONFINEMENT
DESIGN
DISTURBANCES
ERRORS
FEDERAL REGION VI
FIELD-REVERSED THETA PINCH DEVICES
FLUID MECHANICS
HYDRODYNAMICS
LOS ALAMOS
MAGNETIC FIELDS
MAGNETOHYDRODYNAMICS
MECHANICS
NEW MEXICO
NONLINEAR PROBLEMS
NORTH AMERICA
PINCH DEVICES
PINCH EFFECT
PLASMA CONFINEMENT
PLASMA SIMULATION
REVERSE-FIELD PINCH
SIMULATION
THERMONUCLEAR DEVICES
THREE-DIMENSIONAL CALCULATIONS
TORI
USA
ZT-40 DEVICES