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TECHNICAL PAPERS: Gas Turbines: Structures and Dynamics

Flexible Bearing Supports, Using Experimental Data

[+] Author and Article Information
J. A. Vázquez, L. E. Barrett, R. D. Flack

Department of Mechanical, Aerospace and Nuclear Engineering and Applied Science, University of Virginia, Charlottesville, VA 22903

J. Eng. Gas Turbines Power 124(2), 369-374 (Mar 26, 2002) (6 pages) doi:10.1115/1.1426085 History: Received November 01, 1999; Revised February 01, 2000; Online March 26, 2002
Copyright © 2002 by ASME
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References

Figures

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Bearing stiffness and damping coefficients
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Details of the bearing housing and flexible support
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Flexible support element design (dimensions are in mm)
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Magnitude of the measured direct and crosstalk support dynamic compliance in the horizontal direction
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Magnitude of the measured direct and crosstalk support dynamic compliance in the vertical direction
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Magnitude of the measured cross-coupling dynamic compliance
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Measured and predicted unbalance response near the middle disk in the horizontal direction. Unbalance distribution 1
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Measured and predicted unbalance response near the right disk in the horizontal direction. Unbalance distribution 2.
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Spectral map of the vibration displacement at the middle disk
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Stability maps comparing different support models

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