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Author Moroz, P. E.
Source United States Department of Energy Office of Scientific and Technical Information
Content type Text
Language English
Subject Keyword PLASMA PHYSICS AND FUSION ♦ STELLARATORS ♦ DESIGN ♦ SPHERICAL CONFIGURATION ♦ HIGH-BETA PLASMA ♦ THERMONUCLEAR DEVICES ♦ ASPECT RATIO ♦ TOKAMAK DEVICES ♦ MAGNETIC CONFINEMENT ♦ BOOTSTRAP CURRENT
Abstract Recently proposed novel concept of a spherical stellarator (P. E. Moroz, {open_quote}{open_quote}Spherical stellarator configuration,{close_quote}{close_quote} to appear in Phys. Rev. Lett) is enhanced by adding the plasma current to the otherwise pure stellarator system. The coil configuration of this ultra low aspect ratio system differs from that of a spherical tokamak by inclination of external parts of the toroidal field coils. It is shown that the configuration considered possesses many attractive properties, including: wide flexibility of operating regimes, compact design and coil simplicity, good access to the plasma, closed vacuum flux surfaces with large enclosed volume, significant external rotational transform, strong magnetic well, and a high plasma {beta} [{beta}(0) in excess of 30{percent}] equilibrium. It is shown that the bootstrap effect in a spherical stellarator, in principle, can supply the full plasma current required for the high-{beta} equilibrium. {copyright} {ital 1996 American Institute of Physics.}
ISSN 1070664X
Educational Use Research
Learning Resource Type Article
Publisher Date 1996-08-01
Publisher Place United States
Journal Physics of Plasmas
Volume Number 3
Issue Number 8


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