Confinement and stability of plasmas in a field-reversed configuration

Experiments have been conducted on the LSX device where plasmas confined in a field-reversed magnetic geometry have exhibited record energy, particle, and configuration lifetimes. The scaling from previous smaller devices showed a very positive confinement scaling with {ital s}, the number of ion gy...

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Bibliographic Details
Published in:Physical review letters 1992-10, Vol.69 (15), p.2212-2215
Main Authors: SLOUGH, J. T, HOFFMAN, AL, MILROY, R. D, CRAWFORD, E. A, CECIK, M, MAQUEDA, R, WURDEN, G. A, ITO, Y, SHIOKAWA, A
Format: Article
Language:English
Subjects:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
CONFINEMENT
DATA
EQUILIBRIUM
Exact sciences and technology
EXPERIMENT PLANNING
EXPERIMENTAL DATA
INFORMATION
INSTABILITY
INSTABILITY GROWTH RATES
Magnetic confinement and equilibrium
MAGNETIC FIELD CONFIGURATIONS
MAGNETIC FIELD REVERSAL
MAGNETIC FIELDS
NUMERICAL DATA
OSCILLATION MODES
Physics
Physics of gases, plasmas and electric discharges
Physics of plasmas and electric discharges
PLANNING
PLASMA
PLASMA CONFINEMENT
PLASMA INSTABILITY
PLASMA MACROINSTABILITIES 700310 > Plasma Confinement-- (1992-)
SCALING LAWS
STABILITY
THERMONUCLEAR REACTORS
TILTING INSTABILITY
TIME DEPENDENCE
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Description
Summary:Experiments have been conducted on the LSX device where plasmas confined in a field-reversed magnetic geometry have exhibited record energy, particle, and configuration lifetimes. The scaling from previous smaller devices showed a very positive confinement scaling with {ital s}, the number of ion gyroradii inside the field-reversed configuration. These plasmas were observed to have gross stability to global low-order modes such as the internal tilt. The growth of tilt instabilities were not observed during the equilibrium decay of plasmas up to {ital s}{similar to}8.
ISSN:0031-9007
1079-7114
DOI:10.1103/physrevlett.69.2212