Title :
Design of a large superconducting spectrometer magnet
Author :
Shintomi, T. ; Hashimoto, O. ; Makida, Y. ; Mito, T. ; Nagae, T. ; Yamanoi, Y.
Author_Institution :
Nat. Lab. for High Energy Phys., Ibaraki, Japan
fDate :
3/1/1989 12:00:00 AM
Abstract :
A superconducting spectrometer magnet for nuclear physics experiments is currently under construction. The magnet has a sector-type coil. The magnetic field is 3 T with a magnet gap of 50 cm, and the stored energy is 11.8 MJ. Ease of operation and maintenance are taken into consideration in the design. Three-dimensional magnetic field calculations and the stress analysis have been performed. The code QUENCH was applied to determine the operating current and check coil safety. A current of 500 A was selected. Heat leaks were checked and estimated to be <2 W at 4 K. A small refrigerator is to be used for thermal insulations at 80 and 20 K
Keywords :
particle spectrometers; superconducting magnets; 11.8 MJ; 2 W; 3 T; 3D magnetic field calculations; 4 K; 50 cm; 500 A; CAD; code QUENCH; current; ease of maintenance; ease of operation; heat leak; large superconducting spectrometer magnet; magnet gap; magnetic field; nuclear physics experiments; operating current; refrigerator; safety; sector-type coil; stored energy; stress analysis; thermal insulations; Magnetic analysis; Magnetic fields; Nuclear physics; Performance analysis; Refrigeration; Safety; Spectroscopy; Superconducting coils; Superconducting magnets; Thermal stresses;
Journal_Title :
Magnetics, IEEE Transactions on
