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TECHNICAL BRIEFS

Motion of AMB Rotor in Backup Bearings

[+] Author and Article Information
Sheng Zeng

Institute of Chemical Machinery, Zhejiang University, Yuquan Campus, 310027, Hangzhou, China (permanent address) Institut fuer Mechanik II, Technische Universitaet Darmstadt, D-64289 Darmstadt, Germany e-mail: shengzeng@hotmail.com

J. Vib. Acoust 124(3), 460-464 (Jun 12, 2002) (5 pages) doi:10.1115/1.1476382 History: Received May 01, 2001; Revised March 01, 2002; Online June 12, 2002
Copyright © 2002 by ASME
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References

Figures

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AMB rotor-backup device model
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Journal-backup bearing contact model
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Orbit of disk under different rotating speeds
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Transient responses of AMB rotor during rotor drop in different cases (a) CASE0 (b) CASE1 (c) CASE2 (d) CASE3
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Plot of maximum vibration velocity of disk versus rotating speed (comparison between different support parameters)
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Plot of maximum vibration velocity of disk versus rotating speed (with different unbalance level)
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Plot of maximum vibration velocity of rotor versus rotating speed (with a relatively small unbalance level)

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