Void ratios and mechanical losses in simulated CIC conductors with non-metallic conduit materials

Tomoaki Takao, Yoshio Yamaguchi, Junichi Obama, Yoshitaka Seki, Daisuke Miyagi, Atsuhiko Yamanaka

Research output: Contribution to journalArticlepeer-review

Abstract

We have fabricated cable-in-conduit conductors (CICCs) with two kinds of nonmetallic conduit materials. Difference of frictional coefficients on surfaces of the materials vary by factors of two or three, and void ratios of the conductors are from 14% to 42%. We wound these CICCs on same-shaped bobbins, and measured the AC losses of the CICC coils. In spite of the fact that the coil shape, the superconducting wire, and background magnetic fields were the same, the measured losses were not, and depended on conduit materials and void ratios. According to the experimental results, in order to decrease the losses, a conduit material with high frictional coefficient is desirable. It is also shown that the losses decrease with the decrease of the void ratios in the CICCs.

Original languageEnglish
Pages (from-to)1310-1312
Number of pages3
JournalIEEE Transactions on Applied Superconductivity
Volume14
Issue number2
DOIs
Publication statusPublished - 2004 Jun

Keywords

  • AC loss
  • Cable-in-conduit-cable
  • Friction
  • Mechanical loss
  • Void ratio

ASJC Scopus subject areas

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

Fingerprint Dive into the research topics of 'Void ratios and mechanical losses in simulated CIC conductors with non-metallic conduit materials'. Together they form a unique fingerprint.

Cite this