Architectural configuration of HTS magnets above 20T with PCM based on magnetic flux density amplification and accumulation

Ziqing Meng, Yinshun Wang, Yanchen Shi, Anpeng Shu and Wei Pi

Energy, 2025, vol. 335, issue C

Abstract: A fully high-temperature superconducting (HTS) magnet capable of operating in persistent current mode (PCM), assembled with a closed-loop superconducting sheet featuring single-connected double holes (CLSSSCDHs), is expected to create high magnetic field above 20 T at low temperature by amplifying magnetic flux density and magnetic flux accumulating so that it could be potentially used in practical industrial applications. Recognizing the constrained magnetic field produced by an individual sheet, in this paper, we have improved its capabilities by arranging multiple sheets in diverse configurations. This study verified the effect of magnetic flux density amplification and magnetic flux accumulation within four different arrangements through experiments and simulations, based on which the conceptual configuration of a fully HTS magnet above 20 T at 4.2K is proposed, laying a feasibly revolutionary foundation for achieving high magnetic field at larger scales and lower temperatures.

Keywords: Field cooling; Persistent current mode; Closed-loop superconducting sheet; Flux density amplification; Flux accumulation (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:335:y:2025:i:c:s0360544225039131

DOI: 10.1016/j.energy.2025.138271

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