Numerical Study of a Rotary Lip Seal With a Quasi-Random Sealing Surface-Reference-Cited by-同舟云学术

Numerical Study of a Rotary Lip Seal With a Quasi-Random Sealing Surface

Published:2000-07-06 Issue:3 Volume:123 Page:517-524
ISSN:0742-4787
Container-title:Journal of Tribology
language:en
Short-container-title:

Author:

Shi Fanghui¹,Salant Richard F.¹

Affiliation:

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

Abstract

In all previous numerical simulations of the rotary lip seal, the sealing surface was modeled by regular periodic structures. In the present study, a more realistic quasirandom surface is used. A mixed elastohydrodynamic analysis is used to generate predictions of such seal operating characteristics as friction coefficient, reverse pumping rate, film thickness distribution, hydrodynamic and contact pressure distributions, contact area, and cavitation area. The results are in qualitative agreement with previous experimental observations. In the course of the simulations, a new physical mechanism of reverse pumping has been identified.

Publisher

ASME International

Subject

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

Link

http://asmedigitalcollection.asme.org/tribology/article-pdf/123/3/517/5821986/517_1.pdf

Reference25 articles.

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2. Jagger, E. T., 1957, “Study of the lubrication of synthetic rubber rotary shaft seals,” Proc. Conf. on Lubrication and Wear, Institution of Mechanical Engineers, London, pp. 409–415.

3. Horve, L. A., 1992, “Understanding the sealing mechanism of the radial lip seal for rotating shafts,” Proc. 13th BHRG International Conference on Fluid Sealing, Brugge, Belgium, Kluwer, Dordrecht, pp. 5–19.

4. Johnston, D. E. , 1973, “Further experiments on the sealing mechanism of a synthetic rubber lip type seal operating on a rotating shaft,” Proc. Inst. Mech. Eng., 187, p. D111D111.

5. Nakamura, K., and Kawahara, Y., 1984, “An investigation of sealing properties of lip seals through observations of sealing surfaces under dynamic condition,” Proc. 10th BHRA International Conference on Fluid Sealing, Innsbruck, Austria, BHRA, Cranfield, pp. 87–105.

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