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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.
Industrial Lubrication and Tribology – Emerald Publishing
Published: Jun 2, 2021
Keywords: Leakage; Mixed elastohydrodynamic lubrication; Sealing performance; Reciprocating seal; Skeleton reciprocating oil seal
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