Simpler optimized stellarators using permanent magnets

Tony Qian

doi:10.1088/1741-4326/ac6c99

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Simpler optimized stellarators using permanent magnets

2022-05-18

Christopher C. Pagano

D. Patch

Caoxiang Zhu *

DOI：10.1088/1741-4326/ac6c99

Original

Original request for help

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Abstract

En 中文

A first-of-a-kind optimized stellarator for confining plasma has been designed and is being constructed with planar circular coils and permanent magnets composed of identical elements. The equilibrium is optimized to be quasi-axisymmetric for good particle confinement. The combination of permanent magnets and planar coils is significantly simpler to construct than fabricating three-dimensionally shaped coils, yet they are able to produce lower helical magnetic ripple than existing devices by two orders of magnitude in epsilon(3/2)(eff), a characteristic neoclassical transport metric.

Keywords:

magnetic confinement fusion

stellarator

permanent magnet

quasi-symmetry

Journal

Nuclear Fusion

IF:

Papers:

9.3K

Citations:

2.2W

Organization

Princeton University

Scholars:

2.1W

Papers: 2.3W

Citations: 5.1W

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