High-β equilibria of drift-optimized compact stellarators

A. S. Ware; S. P. Hirshman; D. A. Spong; L. A. Berry; A. J. Deisher; G. Y. Fu; J. F. Lyon; R. Sanchez

High-β equilibria of drift-optimized compact stellarators

A. S. Ware, S. P. Hirshman, D. A. Spong, L. A. Berry, A. J. Deisher, G. Y. Fu, J. F. Lyon, R. Sanchez

Physics and Astronomy

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13 Scopus citations

Abstract

Compact, quasipoloidally symmetric stellarators with high magnetohydrodynamics stability β limits and good neoclassical confinement were developed. A self-consistent bootstrap current was found to be responsible for the production of the rotational transform in these hybrid configurations. The bootstrap current was found to be consistent with the required equilibrium current and was only a small fraction of that in an equivalent tokamak. Results showed that the neoclassical confinement improves with increasing β.

Original language	English
Article number	125003
Pages (from-to)	1250031-1250034
Number of pages	4
Journal	Physical Review Letters
Volume	89
Issue number	12
State	Published - Sep 16 2002

Cite this

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abstract = "Compact, quasipoloidally symmetric stellarators with high magnetohydrodynamics stability β limits and good neoclassical confinement were developed. A self-consistent bootstrap current was found to be responsible for the production of the rotational transform in these hybrid configurations. The bootstrap current was found to be consistent with the required equilibrium current and was only a small fraction of that in an equivalent tokamak. Results showed that the neoclassical confinement improves with increasing β.",

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AU - Ware, A. S.

AU - Hirshman, S. P.

AU - Spong, D. A.

AU - Berry, L. A.

AU - Deisher, A. J.

AU - Fu, G. Y.

AU - Lyon, J. F.

AU - Sanchez, R.

PY - 2002/9/16

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N2 - Compact, quasipoloidally symmetric stellarators with high magnetohydrodynamics stability β limits and good neoclassical confinement were developed. A self-consistent bootstrap current was found to be responsible for the production of the rotational transform in these hybrid configurations. The bootstrap current was found to be consistent with the required equilibrium current and was only a small fraction of that in an equivalent tokamak. Results showed that the neoclassical confinement improves with increasing β.

AB - Compact, quasipoloidally symmetric stellarators with high magnetohydrodynamics stability β limits and good neoclassical confinement were developed. A self-consistent bootstrap current was found to be responsible for the production of the rotational transform in these hybrid configurations. The bootstrap current was found to be consistent with the required equilibrium current and was only a small fraction of that in an equivalent tokamak. Results showed that the neoclassical confinement improves with increasing β.

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High-β equilibria of drift-optimized compact stellarators

Abstract

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