Ko Yasukochi

TL;DR: In this article, the authors investigated transient field losses in multifilamentary composite conductors carrying dc transport currents, and showed that the composite conductor behaves like a solid conductor and a saturation effect occurs in both the magnetization and the ac losses.

TL;DR: In this article, a mixed-matrix NbTi multifilamentary conductor with fine filament size of 1.0 μm and a tight twist of 5.5 times the wire diameter 0.2 mm is presented.

TL;DR: In this paper, the status of the Japanese LCT coil fabrication and domestic test facility construction is described and a new test facility is constructed for domestic testing of the coil before delivery to ORNL.

TL;DR: In this article, a model pulse coil with a stored energy of 0.45 MJ at 6 T has been built and tested in order to meet the requirements of superconducting poloidal coils of a medium size tokamak of the Reacting Plasma Project.

TL;DR: The Cluster Test Facility has been constructed and successfully tested at the Japan Atomic Energy Research Institute (JAERI) for the development of superconducting tokamak toroidal coils.