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Mixed EHL numerical analysis and leakage experiment of skeleton reciprocating oil seal

Mixed EHL numerical analysis and leakage experiment of skeleton reciprocating oil seal This paper aims to present the mixed elastohydrodynamic lubrication (EHL) model and obtain the leakage characteristics for the skeleton reciprocating oil seal.Design/methodology/approachThe model consists of a finite element analysis of the contact pressure, a fluid mechanics analysis of the fluid film, a contact analysis of the asperity contact pressure, a deformation analysis of the seal lip and an iterative numerical simulation process.FindingsSimulation results show that the leakage is in direct proportion to the seal roughness and speed, and in inverse proportion to the fluid viscosity. Comparisons with the experimental results verify the validity of the mixed EHL model.Originality/valueThis study provides a helpful method to calculate the leakage of the skeleton reciprocating oil seal, which shortens its development cycles. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Industrial Lubrication and Tribology Emerald Publishing

Mixed EHL numerical analysis and leakage experiment of skeleton reciprocating oil seal

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References (24)

Publisher
Emerald Publishing
Copyright
© Emerald Publishing Limited
ISSN
0036-8792
DOI
10.1108/ilt-10-2020-0364
Publisher site
See Article on Publisher Site

Abstract

This paper aims to present the mixed elastohydrodynamic lubrication (EHL) model and obtain the leakage characteristics for the skeleton reciprocating oil seal.Design/methodology/approachThe model consists of a finite element analysis of the contact pressure, a fluid mechanics analysis of the fluid film, a contact analysis of the asperity contact pressure, a deformation analysis of the seal lip and an iterative numerical simulation process.FindingsSimulation results show that the leakage is in direct proportion to the seal roughness and speed, and in inverse proportion to the fluid viscosity. Comparisons with the experimental results verify the validity of the mixed EHL model.Originality/valueThis study provides a helpful method to calculate the leakage of the skeleton reciprocating oil seal, which shortens its development cycles.

Journal

Industrial Lubrication and TribologyEmerald Publishing

Published: Jun 2, 2021

Keywords: Leakage; Mixed elastohydrodynamic lubrication; Sealing performance; Reciprocating seal; Skeleton reciprocating oil seal

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