Applied superconductivity and cryogenic research activities in NIFS

T. Mito, A. Sagara, S. Imagawa, S. Yamada, K. Takahata, N. Yanagi, H. Chikaraishi, R. Maekawa, A. Iwamoto, S. Hamaguchi, M. Sato, N. Noda, K. Yamauchi, A. Komori, O. Motojima

Research output: Contribution to journalArticlepeer-review

22 Scopus citations

Abstract

Since the foundation of National Institute for Fusion Science (NIFS) in 1989, the primary mission of the applied superconductivity and cryogenic researches has been focused on the development of the large helical device (LHD): the largest fusion experimental apparatus exclusively utilizing superconducting technologies. The applied superconductivity and cryogenics group in NIFS was organized to be responsible for this activity. As a result of extensive research activities, the construction of LHD was completed in 1997. Since then, the LHD superconducting system has been demonstrating high availability of more than 97% during eight years operation and it keeps proving high reliability of large-scale superconducting systems. This paper describes the extensive activities of the applied superconductivity and cryogenic researches in NIFS during and after the development of LHD and the fundamental researches that aim at realizing a helical-type fusion reactor.

Original languageEnglish
Pages (from-to)2389-2400
Number of pages12
JournalFusion Engineering and Design
Volume81
Issue number20-22
DOIs
StatePublished - Nov 2006
Externally publishedYes

Keywords

  • Applied superconductivity
  • Cryogenic
  • Force free helical reactor (FFHR)
  • Fusion
  • Helical reactor
  • Large helical device (LHD)
  • National Institute for Fusion Science (NIFS)

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