• DocumentCode
    980384
  • Title

    Roughened surface study on japanese test coil for the large coil task

  • Author

    Nishi, M. ; Ando, T. ; Yoshida, K. ; Koizumi, K. ; Shimamoto, S. ; Yasukochi, K.

  • Author_Institution
    Japan Atomic Energy Research Institute, Tokai-mura, Ibaraki-ken, Japan
  • Volume
    17
  • Issue
    1
  • fYear
    1981
  • fDate
    1/1/1981 12:00:00 AM
  • Firstpage
    904
  • Lastpage
    907
  • Abstract
    The Japanese test coil for the Large Coil Task utilizes a pool cooling method. In order to get better stabilization in the coil, many different roughened surfaces were investigated. Chemically oxidized Thermo-excel-C surface was selected as the cooling surface for the Japanese LCT conductor. The steady state boiling helium heat transfer characteristics of this surface were measured, and even with the coil simulating long narrow cooling channel its equal area heat flux is more than 1.0 W/cm2. Stability of the Japanese LCT conductor was analyzed using measured data, and the conductor proved to be sufficiently stable.
  • Keywords
    Superconducting magnets, plasma confinement; Tokamaks, superconducting magnets; Chemicals; Coils; Conductors; Cooling; Heat transfer; Helium; Rough surfaces; Steady-state; Surface roughness; Testing;
  • fLanguage
    English
  • Journal_Title
    Magnetics, IEEE Transactions on
  • Publisher
    ieee
  • ISSN
    0018-9464
  • Type

    jour

  • DOI
    10.1109/TMAG.1981.1061130
  • Filename
    1061130