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TECHNICAL BRIEFS

A Note on Kellenberger’s Model for Spiral Vibrations

[+] Author and Article Information
Dara W. Childs

Turbomachinery Laboratory, Texas A&M University, College Station, TX 77845

J. Vib. Acoust 123(3), 405-408 (Feb 01, 2001) (4 pages) doi:10.1115/1.1377022 History: Received March 01, 1999; Revised February 01, 2001
Copyright © 2001 by ASME
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References

Figures

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Black’s example rotor
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Rotor-stator interaction motion
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Body-fixed x,y axes with the imbalance vector a, initial shaft-bow vector Br0, time-transient thermal bow ρT, and resultant shaft bow ρ=BR0T
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Components of ρ̇̂T in the x,y system
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Numerical solution: (a) ρTY versus ρTY, (b) γ̇T versus τ, and (c) ξ+γT versus τ

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