Title :
Study on fluctuations in supporting force of conductors caused by fluctuations in conductor dimensions
Author :
Takao, T. ; Tsukamoto, O. ; Amemiya, N. ; Nishimura, A. ; Mito, T. ; Tamura, H. ; Yamamoto, J. ; Motojima, O.
Author_Institution :
Fac. of Sci. & Technol., Sophia Univ., Tokyo, Japan
fDate :
3/1/1993 12:00:00 AM
Abstract :
The authors are investigating fluctuations of contact force between a conductor and a spacer, and the possibility of local conductor motion in the helical coils of the Large Helical Device (LHD) which will be installed in National Institute for Fusion Science (NIFS). They performed an experiment to study the rigidity of the helical coils and fluctuations in the contact force caused by the irregularity of conductor bends and spacer dimensions by making a model coil pack. A theory is proposed to statistically estimate the fluctuations in the contact force. The theory is explained and the experimental results are shown and compared with the theory. The theory agrees well with the experimental results.<>
Keywords :
fluctuations; fusion reactor theory and design; superconducting magnets; LHD; Large Helical Device; conductor dimension fluctuation; contact force fluctuations; fusion reactor; helical coils; local conductor motion; model coil pack; rigidity; spacer dimensions; superconducting coils; supporting force; Argon; Axles; Conductors; Current density; Fluctuations; Gaussian distribution; Large-scale systems; Stability; Superconducting coils;
Journal_Title :
Applied Superconductivity, IEEE Transactions on
