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Author Garnier, D. T. ♦ Kesner, J. ♦ Mauel, M. E.
Source United States Department of Energy Office of Scientific and Technical Information
Content type Text
Language English
Subject Keyword PLASMA PHYSICS AND FUSION ♦ PLASMA CONFINEMENT ♦ LEVITATION ♦ MAGNETIC DIPOLES ♦ MAGNETOHYDRODYNAMICS ♦ MHD EQUILIBRIUM ♦ BALLOONING INSTABILITY ♦ ASTROPHYSICS
Abstract Plasma confined by a magnetic dipole is stabilized, at low beta, by magnetic compressibility. The ideal magnetohydrodynamic (MHD) requirements for stability against interchange and high-n ballooning modes are derived at arbitrary beta for a fusion grade laboratory plasma confined by a levitated dipole. A high beta MHD equilibrium is found numerically with a pressure profile near marginal stability for interchange modes, a peak local beta of {beta}{approximately}10, and volume averaged beta of {bar {beta}}{approximately}0.5. This equilibrium is demonstrated to be ballooning stable on all field lines. {copyright} {ital 1999 American Institute of Physics.}
ISSN 1070664X
Educational Use Research
Learning Resource Type Article
Publisher Date 1999-09-01
Publisher Place United States
Journal Physics of Plasmas
Volume Number 6
Issue Number 9


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