CUED Publications database

Axial and journal bearings for superconducting flywheel systems

Rastogi, A and Alonso, DR and Coombs, TA and Campbell, AM (2003) Axial and journal bearings for superconducting flywheel systems. IEEE Transactions on Applied Superconductivity, 13. pp. 2267-2270. ISSN 1051-8223

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Abstract

Axial and journal bearings have been investigated for use in superconducting flywheel systems. Our test rig comprises of an Evershed type magnetic bearing used to levitate a 35 kg rotor. The stabilizing forces are provided by superconducting axial and journal bearings. In this study we focus on the vertical stiffness measurements and explore the use of journal bearings. The journal bearing consists of radial magnets with alternating polarities. Our results indicate that this type of journal bearing can effectively stabilize the rotor. Spin-down test shows a linear behavior.

Item Type: Article
Uncontrolled Keywords: Axial and journal bearings Flywheel systems Magnetic levitation Superconducting devices
Subjects: UNSPECIFIED
Divisions: Div B > Electronics, Power & Energy Conversion
Depositing User: Cron Job
Date Deposited: 07 Mar 2014 11:54
Last Modified: 08 Dec 2014 02:33
DOI: 10.1109/TASC.2003.813062