NDLI: The effect of additional permanent magnet configuration on the levitation force of single domain GdBCO bulk superconductor

Content Provider	IEEE Xplore Digital Library
Author	Jun Ma Wan Min Yang Guo Zheng Li Jia Wei Li
Copyright Year	2011
Description	Author affiliation: College of Physics and Information Technology, Shaanxi Normal University, Xi'an 710062, China (Jun Ma; Wan Min Yang; Guo Zheng Li; Jia Wei Li)
Abstract	Effects of additional permanent magnet configuration on the levitation force of a single domain GdBCO bulk superconductor have been investigated with a cylindrical permanent magnet in their coaxial configuration at liquid nitrogen temperature. The single-domain GdBCO sample is of Φ20mm and 10mm in thickness; the two additional permanent magnets are of rectangular parallelepiped shape, and placed on two sides of the GdBCO bulk superconductor in different arrangement; the magnetic pole N of the cylindrical permanent magnet is directed to the GdBCO bulk superconductor in their coaxial configuration. It is found that the maximum levitation force decreases from 74.7N to 30.1N while the distance(Daps) between the additional permanent magnet and the superconductor is increased from 0mm to 20mm, if the magnetic pole N of the two additional permanent magnets horizontally point to the GdBCO bulk superconductor; the largest maximum levitation force is only 22.8N while the distance Daps is increasing from 0mm to 20mm, if the magnetic poles N of the two additional permanent magnets are antiparallel to the magnetic poles N of the cylindrical permanent magnet. The results indicate that the higher levitation force can be obtained by introducing additional permanent magnets based on scientific and reasonable design of the system, which is helpful for designing and constructing superconducting magnetic levitation systems.
Starting Page	6455
Ending Page	6458
File Size	249951
Page Count	4
File Format	PDF
ISBN	9781424491728
e-ISBN	9781424491711
DOI	10.1109/RSETE.2011.5965835
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-06-24
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Force Magnetic domains Single domain GdBCO bulk superconductor Superconducting magnets High temperature superconductors Permanent magnets Levitation force Permanent magnet Magnetic levitation
Content Type	Text
Resource Type	Article

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