An Efficient Finite Element Procedure for Analysis of High-Speed Spiral Groove Gas Face Seals

[+] Author and Article Information
Marco Tulio C. Faria

Federal University of Minas Gerais, Department of Mechanical Engineering, Belo Horizonte, MG, Brazil 31270-901

J. Tribol 123(1), 205-210 (Aug 03, 2000) (6 pages) doi:10.1115/1.1331276 History: Received February 29, 2000; Revised August 03, 2000
Copyright © 2001 by ASME
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Grahic Jump Location
Dimensionless stiffness and damping coefficients versus the frequency number for a SGGFS (po/pi=5)
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Geometry and physical parameters of a SGGFS with rotating and stationary grooved surfaces: (a) stationary grooved face; (b) rotating grooved face; and detail of a ridge-groove pair.
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Transformation from local coordinates to natural coordinates for element (e)
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Comparative results for seal opening force in a SGGFS
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Comparative results for axial static stiffness coefficients in a SGGFS
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Normalized pressure field on a ridge-groove pair of a SGGFS computed by the high-order and incremental FEM schemes (Λ=1759): (a) high-order FEM prediction with 110 elements; and (b) incremental FEM prediction with 576 elements.
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Dimensionless seal opening force and leakage rate versus speed number for three values of pressure ratio



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