Numerical evaluation on electromagnetic and thermal stresses in non-circular REBCO pancake coils of multi-coil system for Skeleton Cyclotron

Hiroshi Ueda, Yuta Miyake, Yuta Awazu, Ryota Inoue, Seokbeom Kim, Tomonori Watanabe, Shigeo Nagaya, So Noguchi, Mitsuhiro Fukuda, Atsushi Ishiyama

研究成果: Article査読

抄録

We proposed the air-core cyclotron using high-temperature superconducting (HTS) technology, named Skeleton Cyclotron, as high intensity compact, variable-energy and multi-particle cyclotron for RI production. Skeleton Cyclotron consists of HTS split circular main coils generating the isochronous field and HTS non-circular sector coils generating the azimuthally varying field (AVF). Now, we are currently developing the small-scale cryocooler-cooled HTS coil system of Skeleton Cyclotron, which accelerates the proton up to energy of 5 MeV at an extraction radius of 20 cm. Skeleton cyclotron is multi-coil system consists of HTS split circular main NI (no-insulation) coils and HTS non-circular sector NI coils. Therefore, the electromagnetic, thermal mechanical behaviors are expected to be very complicated. In this study, we numerically evaluated the electromagnetic, thermal and mechanical behaviors of HTS non-circular sector coils in the air-core cyclotron and discuss the reinforced structure of the small-scale HTS coil system.

本文言語English
ジャーナルIEEE Transactions on Applied Superconductivity
DOI
出版ステータスAccepted/In press - 2021

ASJC Scopus subject areas

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

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