Elimination of stochasticity in stellarators

A method for optimizing stellarator vacuum magnetic fields is introduced. Application of this method shows that the stochasticity of vacuum magnetic fields can be made negligible by proper choice of the coil configuration. This optimization is shown to increase the equilibrium β limit by factors of...

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Veröffentlicht in:	Phys. Fluids; (United States) 1984-04, Vol.27 (4), p.767-769
Hauptverfasser:	Hanson, James D., Cary, John R.
Format:	Artikel
Sprache:	eng
Schlagworte:	70 PLASMA PHYSICS AND FUSION TECHNOLOGY 700202 - Fusion Power Plant Technology- Magnet Coils & Fields ANNULAR SPACE ASPECT RATIO BETA RATIO BIOT-SAVART LAW CALCULATION METHODS CLOSED PLASMA DEVICES CONFIGURATION CONFINEMENT ELECTRIC COILS ELECTRICAL EQUIPMENT EQUILIBRIUM Exact sciences and technology MAGNET COILS Magnetic confinement and equilibrium MAGNETIC FIELD CONFIGURATIONS MAGNETIC FIELDS MAGNETIC ISLANDS OPTIMIZATION Physics Physics of gases, plasmas and electric discharges Physics of plasmas and electric discharges PLASMA CONFINEMENT SPACE STELLARATORS STOCHASTIC PROCESSES THERMONUCLEAR DEVICES TOROIDAL CONFIGURATION
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Beschreibung
Zusammenfassung:	A method for optimizing stellarator vacuum magnetic fields is introduced. Application of this method shows that the stochasticity of vacuum magnetic fields can be made negligible by proper choice of the coil configuration. This optimization is shown to increase the equilibrium β limit by factors of two or more over that of the simple, ‘‘straight’’ coil winding law. This method is general and ought to be applicable to other systems in which stochasticity (1) presents a problem, yet (2) is affected by the design parameters.
ISSN:	0031-9171 2163-4998
DOI:	10.1063/1.864692