TECHNICAL PAPERS: Gas Turbines: Structures and Dynamics

An Improved Transfer Matrix Method for Steady-State Analysis of Nonlinear Rotor-Bearing Systems

[+] Author and Article Information
J. W. Zu, Z. Ji

Department of Mechanical and Industrial Engineering, University of Toronto, Five King’s College Road, Toronto, ON M5S 3G8, Canada

J. Eng. Gas Turbines Power 124(2), 303-310 (Mar 26, 2002) (8 pages) doi:10.1115/1.1447235 History: Received February 01, 1998; Revised October 01, 2001; Online March 26, 2002
Copyright © 2002 by ASME
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Grahic Jump Location
A shaft-bearing system with divided elements
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A flowchart of solution scheme
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A shaft-bearing system with an intermediate rotor
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Frequency response for various K3
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Whirling orbit at point B for K3=1.0e1 1N/cm3 and Ω=78.8 rad/s
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Frequency response at K3=1.0e9N/cm3
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A shaft-bearing system with multiple bearings and disks
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Frequency response for various K3
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Whirling orbits at point B for K3=1.0e1 6N/m3 and Ω=96 rad/s




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