Numerical Modelling of High Pressure Gas Face Seals-Reference-Cited by-同舟云学术

Numerical Modelling of High Pressure Gas Face Seals

Published:2005-12-12 Issue:2 Volume:128 Page:396-405
ISSN:0742-4787
Container-title:Journal of Tribology
language:en
Short-container-title:

Author:

Thomas Sébastien¹,Brunetière Noël¹,Tournerie Bernard¹

Affiliation:

1. Laboratoire de Mécanique des Solides, UMR CNRS 6610, Université de Poitiers, S.P.2M.I., BP 30179, 86962 Futuroscope Chasseneuil Cedex, France

Abstract

An axisymetric numerical model of face seals operating with compressible fluids at high pressure is presented. Inertia terms are included using an averaged method and thermal effects are considered. The real behavior of gases at high pressure is taken into account. An original exit boundary condition is used to deal with choked flow. The model is validated by comparison with experimental data and analytical solutions. Finally, the influence of the operating conditions on the performance of a high-pressure gas face seal is analyzed. It is shown that when the flow is choked, the mass flow rate is reduced and the behavior of the seal becomes unstable.

Publisher

ASME International

Subject

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

Link

http://asmedigitalcollection.asme.org/tribology/article-pdf/128/2/396/5589492/396_1.pdf

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