Free-boundary equilibria from stellarator vacuum fields given by their boundary geometry

A stellarator vacuum magnetic field determined by its last closed magnetic surface can be reconstructed by finding a remote surface-current density. Small changes of the surface-current density can then easily be made. These intermediate steps before finding a modular coil system enable free-boundar...

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Veröffentlicht in:	Nuclear fusion 2017-06, Vol.57 (6), p.64003
Hauptverfasser:	Mikhailov, M.I., Drevlak, M., Kasilov, S.V., Kernbichler, W., Nemov, V.V., Nührenberg, J., Zille, R.
Format:	Artikel
Sprache:	eng
Schlagworte:	free-boundary equilibrium geometry of confinement boundary stellarator
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	A stellarator vacuum magnetic field determined by its last closed magnetic surface can be reconstructed by finding a remote surface-current density. Small changes of the surface-current density can then easily be made. These intermediate steps before finding a modular coil system enable free-boundary finite-β equilibria to be calculated so that their physical properties can be assessed.
ISSN:	0029-5515 1741-4326
DOI:	10.1088/1741-4326/aa6c13