NDLI: Transition Cooling Height of High-Temperature Superconductor Levitation System

Content Provider	IEEE Xplore Digital Library
Author	Xiaojing Zheng Yong Yang
Copyright Year	2002
Abstract	The lateral force on a rectangular permanent magnet (PM) above a cylindrical high-temperature superconductor (HTS) is numerically calculated during lateral traverses at different cooling heights (CHs). The simulations are based upon the critical state model of Bean. Our simulation results show that the lateral force on the PM is influenced by the initial cooling conditions of the HTS. This conclusion agrees with a previous experimental finding. The calculations show that there is a transition CH. The levitating body is laterally stable when the initial CH is less than the transition CH, whereas, when the initial CH is above the transition CH, the levitating body is possibly laterally unstable. The effects of the dimensions of the system, the physical parameters, and the levitating height during lateral traverses on the transition CH are presented.
Sponsorship	Council on Superconductivity Appl. Superconductivity Conference Inc MIT
Starting Page	3862
Ending Page	3866
Page Count	5
File Size	369525
File Format	PDF
ISSN	10518223
Volume Number	17
Issue Number	4
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-12-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Cooling High temperature superconductors Superconducting magnets Stability Permanent magnets Bean model Magnetic fields Magnetic levitation Electromagnets Nitrogen transition cooling height (CH) High-temperature superconductor (HTS) levitation system lateral force simulation
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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