A fast-ramp superconducting magnet for HGMS

Author

Yan, Luguang ; Nan, Holee ; Yu, Yunjia ; Yinming Dal ; Song, Shousen ; Ye, Zuxiang ; Chen, Yuelian

Author_Institution

Inst. of Electr. Eng., Acad. Sinica, Beijing, China

Volume

32

Issue

4

fYear

1996

fDate

7/1/1996 12:00:00 AM

Firstpage

2707

Lastpage

2709

Abstract

A superconducting High Gradient Magnetic Separation (HGMS) sample test facility has been constructed at the IEE CAS. In order to shorten the magnet charging time, it is necessary not only to reduce the magnet inductance, but also to increase the cryogenic stability. Based on our experience, narrow LHe channel cooling inside the high current density magnet is a good solution. In this paper, design, construction and test results are described. The solenoid is wound with 1.46 mm×2.4 mm and 1.26 mm×2.4 mm rectangular NbTi-Cu composite, the filament diameter is about 25 μm, and the length, the inner and outer diameter are 420 mm, 176 mm and 232 mm, respectively. The channel between two layers is formed by 0.5 mm×4 mm epoxy fibreglass strip along the axis. The central field of 5.45 T has been reached and the charging speed of 9 T/min has been achieved

Keywords

magnetic separation; superconducting magnets; 5.45 T; HGMS; NbTi-Cu; NbTi-Cu fiamentary composite; charging time; cryogenic stability; current density; epoxy fibreglass strip; fast-ramp superconducting magnet; high gradient magnetic separation; inductance; narrow liquid helium channel cooling; solenoid; Content addressable storage; Cooling; Cryogenics; Current density; Inductance; Magnetic separation; Stability; Superconducting magnets; Test facilities; Testing;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/20.511433

Filename

511433