Evaluation of irregular magnetic field generated by screening current in REBCO coils for high accuracy field

Ayako Matsumi; Hiroshi Ueda; So Noguchi; Tao Wang; Atsushi Ishiyama; Hiroshi Miyazaki; Taizo Tosaka; Shunji Nomura; Tsutomu Kurusu; Shinichi Urayama; Hidenao Fukuyama

doi:10.1109/TASC.2016.2535966

Evaluation of irregular magnetic field generated by screening current in REBCO coils for high accuracy field

Ayako Matsumi, Hiroshi Ueda, So Noguchi, Tao Wang, Atsushi Ishiyama, Hiroshi Miyazaki, Taizo Tosaka, Shunji Nomura, Tsutomu Kurusu, Shinichi Urayama, Hidenao Fukuyama

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

In recent years, research and development of applications for a high field magnet wound with a REBCO tape into nuclear magnetic resonance and magnetic resonance imaging have been carried out. These applications require a very high accuracy field, that is, the spatial uniform and temporally stable field. However, in the REBCO coils, the irregular magnetic field is generated by the screening current, which is remarkably induced by the radial component of the magnetic field in a REBCO tape. Therefore, a nonconventional approach is required for the reduction or correction of the irregular magnetic field generated by the screening current in the stage of design for a high-accuracy-field REBCO coil. The prediction and improvement of the irregular magnetic field generated by the screening current is a serious issue for the development and design of REBCO coils and correction shims.

Original language	English
Article number	7422002
Journal	IEEE Transactions on Applied Superconductivity
Volume	26
Issue number	4
DOIs	https://doi.org/10.1109/TASC.2016.2535966
Publication status	Published - Jun 2016
Externally published	Yes

Keywords

High-temperature superconductors
and field homogeneity
high accuracy field
irregular magnetic field
screening current
three-dimensional electromagnetic field analysis

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

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Evaluation of irregular magnetic field generated by screening current in REBCO coils for high accuracy field. / Matsumi, Ayako; Ueda, Hiroshi; Noguchi, So; Wang, Tao; Ishiyama, Atsushi; Miyazaki, Hiroshi; Tosaka, Taizo; Nomura, Shunji; Kurusu, Tsutomu; Urayama, Shinichi; Fukuyama, Hidenao.

In: IEEE Transactions on Applied Superconductivity, Vol. 26, No. 4, 7422002, 06.2016.

Research output: Contribution to journal › Article › peer-review

Matsumi, Ayako ; Ueda, Hiroshi ; Noguchi, So ; Wang, Tao ; Ishiyama, Atsushi ; Miyazaki, Hiroshi ; Tosaka, Taizo ; Nomura, Shunji ; Kurusu, Tsutomu ; Urayama, Shinichi ; Fukuyama, Hidenao. / Evaluation of irregular magnetic field generated by screening current in REBCO coils for high accuracy field. In: IEEE Transactions on Applied Superconductivity. 2016 ; Vol. 26, No. 4.

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abstract = "In recent years, research and development of applications for a high field magnet wound with a REBCO tape into nuclear magnetic resonance and magnetic resonance imaging have been carried out. These applications require a very high accuracy field, that is, the spatial uniform and temporally stable field. However, in the REBCO coils, the irregular magnetic field is generated by the screening current, which is remarkably induced by the radial component of the magnetic field in a REBCO tape. Therefore, a nonconventional approach is required for the reduction or correction of the irregular magnetic field generated by the screening current in the stage of design for a high-accuracy-field REBCO coil. The prediction and improvement of the irregular magnetic field generated by the screening current is a serious issue for the development and design of REBCO coils and correction shims.",

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AU - Noguchi, So

AU - Wang, Tao

AU - Ishiyama, Atsushi

AU - Miyazaki, Hiroshi

AU - Tosaka, Taizo

AU - Nomura, Shunji

AU - Kurusu, Tsutomu

AU - Urayama, Shinichi

AU - Fukuyama, Hidenao

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AB - In recent years, research and development of applications for a high field magnet wound with a REBCO tape into nuclear magnetic resonance and magnetic resonance imaging have been carried out. These applications require a very high accuracy field, that is, the spatial uniform and temporally stable field. However, in the REBCO coils, the irregular magnetic field is generated by the screening current, which is remarkably induced by the radial component of the magnetic field in a REBCO tape. Therefore, a nonconventional approach is required for the reduction or correction of the irregular magnetic field generated by the screening current in the stage of design for a high-accuracy-field REBCO coil. The prediction and improvement of the irregular magnetic field generated by the screening current is a serious issue for the development and design of REBCO coils and correction shims.

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