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TECHNICAL PAPERS: Gas Turbines: Structures and Dynamics

Feasibility of Contact Elimination of a Mechanical Face Seal Through Clearance Adjustment

[+] Author and Article Information
Min Zou, Joshua Dayan, Itzhak Green

The George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332-0405

J. Eng. Gas Turbines Power 122(3), 478-484 (May 15, 2000) (7 pages) doi:10.1115/1.1287239 History: Received March 09, 1999; Revised May 15, 2000
Copyright © 2000 by ASME
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References

Figures

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Schematic of the FMR noncontacting mechanical seal assembly
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Maximum normalized relative misalignment—coning angle relationship
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Desired clearances and clearances calculated from proximity probe measurements (small stator and initial rotor misalignments γsri=0.5 mrad)
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Proximity probe signals and their PSDs for different clearances (6 μm and 1 μm) (small stator and initial rotor misalignments γsri=0.5 mrad)
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Rotor angular misalignment orbit for different clearances (6 μm, 3 μm, and 1 μm) (small stator and initial rotor misalignments γsri=0.5 mrad)
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Desired clearances and clearances calculated from proximity probe measurements (large stator and initial rotor misalignments γsri=1.5 mrad)
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Proximity probe signals and their PSDs for different clearances (6 μm and 1 μm) (large stator and initial rotor misalignments γsri=1.5 mrad)
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Rotor angular misalignment orbit for different clearances (large stator and initial rotor misalignments γsri=1.5 mrad)

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