Experimental and Numerical Analysis of Soft Elastohydrodynamic Lubrication in Line Contact
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DOI: 10.1007/s11249-017-0825-9
Abstract: This paper describes an experimental setup that allows the observations of the stress distribution under soft elastohydrodynamic lubrication (EHL) in line contact by means of photoelasticity. This experimental method is rarely used in the EHL… read more here.
Keywords: lubrication; line contact; elastohydrodynamic lubrication; soft elastohydrodynamic ... See more keywords
Thermal elastohydrodynamic lubrication of modified gear system considering vibration
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DOI: 10.1007/s11771-020-4551-3
Abstract: The thermal elastohydrodynamic lubrication characteristics of a modified gear system under a dynamic load were investigated, including the influence of the modification coefficient and vibrations. Based on the dynamic theory of gear systems, a six-degree-of-freedom… read more here.
Keywords: lubrication; elastohydrodynamic lubrication; thermal elastohydrodynamic; modified gear ... See more keywords
Finite line contact stiffness under elastohydrodynamic lubrication considering linear and nonlinear force models
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DOI: 10.1016/j.triboint.2020.106219
Abstract: Abstract The aim of this study is to analyze the stiffness of finite line contact under elastohydrodynamic lubrication (EHL) with linear and nonlinear force approximations. The numerical solution of the finite line contact is compared… read more here.
Keywords: line contact; elastohydrodynamic lubrication; force; contact ... See more keywords
Multi-ellipsoid contact elastohydrodynamic lubrication performance for deep groove ball bearing
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DOI: 10.1016/j.triboint.2020.106367
Abstract: Abstract The multi-ellipsoid contact elastohydrodynamic lubrication (MECEHL) model for the deep groove ball bearing considering the forces and moments applied on the rolling elements is established and solved with optimization method. In doing so, the… read more here.
Keywords: multi ellipsoid; elastohydrodynamic lubrication; ellipsoid contact; contact ... See more keywords
The influence of gear surface roughness on rolling contact fatigue under thermal elastohydrodynamic lubrication with slip
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DOI: 10.1016/j.triboint.2020.106394
Abstract: Abstract Measured shot peened, ground and worn surfaces were included in thermal elastohydrodynamic lubrication and fatigue simulations. Considering transient temperature fields, shear limit and metal to metal contact, moderate negative slip was found to be… read more here.
Keywords: elastohydrodynamic lubrication; fatigue; surface; surface roughness ... See more keywords
Mixed elastohydrodynamic lubrication analysis of line contact with Non-Gaussian surface roughness
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DOI: 10.1016/j.triboint.2020.106449
Abstract: Abstract An approach for mixed elastohydrodynamic lubrication (EHL) analysis of line contact with non-Gaussian rough surface is proposed, and a minimum film thickness formula is derived based on the simultaneous solutions. The Patir and Cheng's… read more here.
Keywords: mixed elastohydrodynamic; non gaussian; surface; elastohydrodynamic lubrication ... See more keywords
Thermal Elastohydrodynamic Lubrication of Ceramic Materials
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DOI: 10.1080/10402004.2018.1437492
Abstract: ABSTRACT The effect of thermal conductivity on point elastohydrodynamic lubrication (EHL) contacts was discussed with representative engineering ceramics and steel by a non-Newtonian thermal EHL analysis. Through this investigation, fundamentals of EHL characteristics of contact… read more here.
Keywords: ceramic materials; elastohydrodynamic lubrication; tribology; lubrication ceramic ... See more keywords
Numerical modeling of elastohydrodynamic lubrication in point or line contact for heterogeneous elasto-plastic materials
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DOI: 10.1080/15376494.2016.1227506
Abstract: ABSTRACT A semi-analytic solution is developed for heterogeneous elasto-plastic materials with inhomogeneous inclusions under elastohydrodynamic lubrication in point contact or line contact. The inhomogeneous inclusions within a material are homogenized as homogeneous inclusions with properly… read more here.
Keywords: lubrication point; line contact; elastohydrodynamic lubrication; heterogeneous elasto ... See more keywords
Analysis of Line Contact Elastohydrodynamic Lubrication with the Particles under Rough Contact Surface
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DOI: 10.1155/2020/5420426
Abstract: A numerical solution for line contact elastohydrodynamic lubrication (EHL) occurring on the rough surface of heterogeneous materials with a group of particles is presented in this study. The film thickness disturbance caused by particles and… read more here.
Keywords: contact elastohydrodynamic; line contact; elastohydrodynamic lubrication; surface ... See more keywords
Numerical study on the interaction of transversely oriented ridges in thermal elastohydrodynamic lubrication point contacts using the Eyring shear-thinning model
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DOI: 10.1177/1350650116646943
Abstract: Transient behaviour of tribo-characteristics caused by transversely oriented ridges on point contact surfaces was investigated based on a thermal elastohydrodynamic lubrication analysis. The ridges were assumed to exist on both the contact surfaces with different… read more here.
Keywords: transversely oriented; elastohydrodynamic lubrication; oriented ridges; thermal elastohydrodynamic ... See more keywords
Traction and local temperatures measured in an elastohydrodynamic lubrication contact
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DOI: 10.1177/1350650117713358
Abstract: Traction in highly loaded elastohydrodynamic contacts is of great importance to reduce losses. The calculation of traction in these EHL contacts relies on the rheological models used. In this paper, results from traction experiments, which… read more here.
Keywords: measured elastohydrodynamic; traction local; temperatures measured; local temperatures ... See more keywords