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TECHNICAL PAPERS: Gas Turbines: Structures and Dynamics

Reliable Rotor Dynamic Design of High-Pressure Compressors Based on Test Rig Data

[+] Author and Article Information
N. G. Wagner

Development Mechanics, DEMAG DELAVAL Turbomachinery, Duisburg D-47015, Germany

J. Eng. Gas Turbines Power 123(4), 849-856 (Aug 01, 2000) (8 pages) doi:10.1115/1.1373396 History: Received March 01, 1999; Revised August 01, 2000
Copyright © 2001 by ASME
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References

Figures

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Sectional view of the test stand
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Measured overall transfer function of a honeycomb seal
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Effect of curved swirl brake on stiffness angle
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Stiffness and damping vector with and without swirl brake
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Total stiffness and total damping for different types of seals
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Effect of increasing gas density from 0 percent to 200 percent on eigenvalues
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Effect of labyrinth gap width on rotor stability
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Effect of side loads on rotor stability
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Photograph of the reinjection compressor
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Cascade plots for test run with and without swirl brakes

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