New 25 T Cryogen-Free Superconducting Magnet Project at Tohoku University

Awaji, Satoshi; Watanabe, Kazuo; Oguro, Hidetoshi; Hanai, S.; Miyazaki, Hiroshi; Takahashi, M.; Ioka, S.; Sugimoto, M.; Tsubouchi, H.; Fujita, Shin; Daibo, M.; Iijima, Y.; Kumakura, Hiroaki

doi:10.1109/tasc.2013.2292367

Cited by 65 publications

(36 citation statements)

References 12 publications

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“…The proposed field target of 25 T [172,173] could be achieved with a 14 T LTS outsert and a single RE123 insert. This RE123 coil also uses quite relaxed parameters, and combined with its large inner bore (96 mm winding diameter), the coil will require RE123 conductor in excess of 17 km.…”

Section: Overview On Ongoing High-field DC Magnet Projects Based On Rmentioning

confidence: 99%

Progresses and challenges in the development of high-field solenoidal magnets based on RE123 coated conductors

Senatore

Alessandrini

Lucarelli

et al. 2014

Supercond. Sci. Technol.

248

136

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Recent progresses in the second generation REBa 2 Cu 3 O 7 − x (RE123) coated conductor (CC) have paved a way for the development of superconducting solenoids capable of generating fields well above 23.5 T, i.e. the limit of NbTi−Nb 3 Sn-based magnets. However, the RE123 magnet still poses several fundamental and engineering challenges. In this work we review the state-ofthe-art of conductor and magnet technologies. The goal is to illustrate a close synergetic relationship between evolution of high-field magnets and advancement in superconductor technology. The paper is organized in three parts: (1) the basics of RE123 CC fabrication technique, including latest developments to improve conductor performance and production throughput; (2) critical issues and innovative design concepts for the RE123-based magnet; and (3) an overview of noteworthy ongoing magnet projects.

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Section: Overview On Ongoing High-field DC Magnet Projects Based On Rmentioning

confidence: 99%

Progresses and challenges in the development of high-field solenoidal magnets based on RE123 coated conductors

Senatore

Alessandrini

Lucarelli

et al. 2014

Supercond. Sci. Technol.

248

136

View full text Add to dashboard Cite

show abstract

“…A 25-T-class cryogen-free SC magnet has been designed recently [15]. An HTS insert coil is located coaxially inside six low temperature superconducting (LTS) outsert coils.…”

Section: Specifications Of Hts Insert For High Field Magnetmentioning

confidence: 99%

“…If the local magnetic field becomes less than the full penetration field, it has been well known that the magnetic interactions between SC wires strongly affect the AC loss properties, for example, in NbTi multifilamentary wires [7][8][9], BSCCO tapes [10,11] and coated conductors [12][13][14]. In this paper, AC losses in an HTS insert coil designed for one of high field magnets [15] are numerically evaluated. It is supposed that the HTS insert is composed of a stack of single pancake (SP) coils wound using coated conductors and energized up to a rated current at a constant ramping rate under the conduction cooling using cryocoolers.…”

Section: Introductionmentioning

confidence: 99%

AC loss evaluation of an HTS insert for high field magnet cooled by cryocoolers

2016

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“…Currently, the HTS applications to take advantage of the high field capability are focused on the development of insert magnets in high field facility as an alternative to power hungry resistive magnet [5][6][7], and the development of NMR magnet beyond 1 GHz/23.5 T [8,9] (see Ref. [10] for an exhaustive list of high field project involving the use of HTS materials).…”

Section: Introductionmentioning

confidence: 99%