NDLI: Position Dependence of Restoring Torque in Low Frequency Superconducting Suspension

Content Provider	IEEE Xplore Digital Library
Author	Yu, L. Yang, W.J. Ye, M. Fu, Z.F. Liu, Y.
Copyright Year	2002
Description	As a traditional aspect, levitation loss is often studied in the rotating superconducting suspension. On the other hand, restoring torque behavior is also an important feature for the low frequency suspension, which can be used to describe the deflection of the spinning levitation to the micro thrust or disturbance, and be utilized in the design of a fully suspending measuring setup for electric propulsion devices. However, precise measurement of position dependence of the restoring torque is difficult due to some factors such as air disturbance, uncertainty of initial suspending position, no-uniform magnetization in the levitation, etc. To reduce the impact of these factors and study mechanical properties of the spinning levitation, an integrated experimental setup is designed and established. The quantitative investigation on position dependence of the restoring torque is conducted under a steady temperature and gas pressure. The relation between spinning mechanical properties of a permanent magnet (PM) and field cooling (FC) attitudes of a superconductor is also on the discussion. Under the same FC attitude, the spinning equilibrium position of the PM is stable. The inhomogeneity of the geometry and magnetic field from the PM has a serious effect on the spinning mechanical properties.
Sponsorship	Council on Superconductivity Appl. Superconductivity Conference Inc MIT
Starting Page	1
Ending Page	5
Page Count	5
File Size	603060
File Format	PDF
ISSN	10518223
Volume Number	25
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	High-temperature superconductors Spinning Torque Superconducting magnets Temperature measurement Suspensions Magnetic field measurement micro thrust measurement High temperature superconductor Flux pinning Superconducting device
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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