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TECHNICAL PAPERS

Theory Versus Experiment for the Rotordynamic Characteristics of a High Pressure Honeycomb Annular Gas Seal at Eccentric Positions

[+] Author and Article Information
Mark Weatherwax

Halliburton KBR

Dara W. Childs

Turbomachinery Laboratory, Texas A&M University, College Station, TX 77843

J. Tribol 125(2), 422-429 (Mar 19, 2003) (8 pages) doi:10.1115/1.1504093 History: Received March 22, 2002; Revised July 01, 2002; Online March 19, 2003
Copyright © 2003 by ASME
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References

Figures

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Side view of the test section
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Leakage flow rate versus eccentricity
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Honeycomb direct stiffness versus excitation frequency
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Honeycomb cross-coupled stiffness versus excitation frequency
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Honeycomb normalized direct damping versus excitation frequency
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Honeycomb cross-coupled damping versus excitation frequency
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Synchronous nondimensional direct stiffness versus eccentricity ratio
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Synchronous nondimensional cross-coupled stiffness versus eccentricity ratio
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Synchronous damping versus eccentricity ratio
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Stiffness and damping coefficients at 80 Hz for 35 percent back-pressure ratio
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Stiffness and damping coefficients at 80 Hz for 50 percent back-pressure

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