An Optimal Configuration Method of Superconducting Magnet With Iron Shield Using Model Order Reduction

So Noguchi*, Hiroshi Ueda, Tomonori Watanabe, Shigeo Nagaya, Atsushi Ishiyama, Mitsuhiro Fukuda

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

We have been developing a cyclotron accelerator for radioisotope production of medical use. The features of developed cyclotron system are compactness, light weight, and multi energy outputs. To achieve such features, coils are wound with rare-earth barium copper oxide (REBCO) tapes and the magnet has no iron core to generate an azimuthal varying field (AVF). To install the developed cyclotron accelerator into hospitals, an iron shield is needed for protection of leakage radiation and magnetic field. In this paper, to optimally design main coils with iron shield, a fast field computation method called 'Model Order Reduction (MOR)' is adopted. Using MOR technique, the field computation is accelerated ∼50 times. The error of MOR field computation is sufficiently small. Hence, the MOR is effective in the optimal configuration design of coils with iron shield. The optimized configuration of a miniaturized cyclotron accelerator magnet is also shown.

Original languageEnglish
Article number4901405
JournalIEEE Transactions on Applied Superconductivity
Volume32
Issue number6
DOIs
Publication statusAccepted/In press - 2022

Keywords

  • Cyclotron accelerator
  • REBCO magnet
  • iron shield
  • model order reduction
  • optimal design

ASJC Scopus subject areas

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

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