Twice-Running-Speed Response Due to Elliptical Bearing Clearances

[+] Author and Article Information
Dara W. Childs

Turbomachinery Laboratory, Texas A&M University, College Station, TX 77843e-mail: dchilds@mengr.tamu.edu

J. Vib. Acoust 125(1), 64-67 (Jan 06, 2003) (4 pages) doi:10.1115/1.1526509 History: Received December 01, 2001; Revised September 01, 2002; Online January 06, 2003
Copyright © 2003 by ASME
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Yamamoto’s vertical rotor model with radial bearing clearances, Childs 2. A. Side view. B. Top view.
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Synchronous, steady-state amplitude solutions for ro with ζ=0.025, Childs 2.
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Proposed variations in the clearance dead-band radius due to ellipticity.
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First-order solution amplitude r1 for 2E response versus nondimensional running speed with ζ=0.025.




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