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

Author:

Faria Marco Tulio C.1

Affiliation:

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

Abstract

An efficient and accurate finite element procedure is specially devised to analyze the performance of gas-lubricated spiral groove face seals operating at high speeds. The procedure is based on the Galerkin weighted residual method with a new class of high-order shape functions, which are derived from an approximate solution to the nonlinear Reynolds equation within an element. Static and dynamic performance characteristics, such as seal opening force, flow leakage and frequency-dependent dynamic force coefficients, are determined to study the effects of high speeds on the behavior of spiral groove gas face seals.

Publisher

ASME International

Subject

Surfaces, Coatings and Films,Surfaces and Interfaces,Mechanical Engineering,Mechanics of Materials

Reference19 articles.

1. Gas Lubricated Mechanical Face Seals, 1997, Burgmann Dichtungswerke GmbH & Co., Wolfratshausen, Germany.

2. Whipple, R. T. P., 1958, “The Inclined Groove Bearing,” AERE Report T/T 622 (revised), United Kingdom Atomic Energy Authority, Research Group, Atomic Energy Establishment, Harwell, Berkshire.

3. Malanoski, S. B., and Pan, C. H. T., 1965, “The Static and Dynamic Characteristics of the Spiral-Grooved Thrust Bearing,” ASME J. Basic Eng., 87, pp. 547–558.

4. Muijderman, E. A., 1966, Spiral Groove Bearings, Philips Technical Library, Springer-Verlag, New York.

5. Reddi, M. M., and Chu, T. Y., 1970, “Finite Element Solution of the Steady-State Compressible Lubrication Problem,” ASME J. Lubr. Technol., 92, pp. 495–503.

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