Constructing the space of quasisymmetric stellarators through near-axis expansion

A simplified view of the space of optimised stellarators has the potential to guide and aid the design efforts of magnetic confinement configurations suitable for future fusion reactors. We present one such view for the class of quasisymmetric stellarators based on their approximate description near...

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Published inPlasma physics and controlled fusion Vol. 65; no. 9; pp. 95004 - 95023
Main Authors Rodríguez, E, Sengupta, W, Bhattacharjee, A
Format Journal Article
LanguageEnglish
Published United Kingdom IOP Publishing 01.09.2023
Subjects
optimization space
quasisymmetry
stellarator
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ISSN0741-3335
1361-6587
DOI10.1088/1361-6587/ace739

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Summary:A simplified view of the space of optimised stellarators has the potential to guide and aid the design efforts of magnetic confinement configurations suitable for future fusion reactors. We present one such view for the class of quasisymmetric stellarators based on their approximate description near their centre (magnetic axis). The result is a space that captures existing designs and presents new ones, providing a common framework to study them. Such a simplified construction offers a basic topological approach, guided by certain theoretical and physical choices, which this paper presents in detail.
Bibliography:PPCF-104255.R1
USDOE
ISSN:0741-3335
1361-6587
DOI:10.1088/1361-6587/ace739