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Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology, 2012 The article describes a numerical model for the analysis of elastohydrodynamic lubrication under conditions in which the nominal lubricant film thickness is small compared to the roughness present on the surfaces (lambda ratio less than unity).
Evans, Henry Peredur +2 more
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Regimes of Elastohydrodynamic Lubrication
Journal of Mechanical Engineering Science, 1970The different regimes of behaviour in the elastohydrodynamic lubrication of rollers are displayed on a chart whose rectangular co-ordinates express the influence of elasticity of the solids and variation of viscosity of the lubricant with pressure respectively. At small values of these co-ordinates, i.e.
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On the elastohydrodynamic lubrication in soft seals
Wear, 1984This communication is concerned with the elastohydrodynamic lubrication(EHL) problem in soft seals under reciprocating motion. The aim is todemonstrate theoretically that, if the Reynolds equation for isoviscous fluidsis coupled with a Winkler foundation [l] describing the seal deformabilityand if it is assumed that the dry contact pressure vanishes at
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The failure of elastohydrodynamic lubrication
Proceedings of the Royal Society of London. A. Mathematical and Physical Sciences, 1984Abstract Scuffing experiments were made with circumferentially ground steel discs in a two-disc machine. The load was increased in stages until scuffing failure occurred, as indicated by a sharp increase in noise, vibration and friction.
R. W. Snidle, S. D. Rossides, A. Dyson
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Parched Elastohydrodynamic Lubrication
Journal of Tribology, 1985A parched subregime of elastohydrodynamic lubrication is proposed, lying between starved and mixed. Parched EHL is necessary to describe instrument ball bearing behavior, for example: long term transients in film thickness. A parched bearing has the least driving torque demand and best spin axis definition possible from any lubrication regime.
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Modelling of Lubricant Degradation and Elastohydrodynamic Lubrication
2006The paper presents a new approach to modeling elastohydrodynamic contacts with degrading lubricants. Considered lubricants are diluted solutions of polymer molecules with linear structure. The problem is formulated mathematically and analyzed numerically. A parametric analysis of the problem is performed.
Kudish, Ilya I. +2 more
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Influence of lubricant properties on elastohydrodynamic lubrication
Wear, 1999Abstract In hard EHL, encountered in, e.g., gears, rolling element bearings etc. the properties of the lubricant play a significant role in the forming of a lubricating film and reducing friction between the contacting surfaces. The influence of pressure and temperature on viscosity, limiting shear stress and density, has to be taken into account ...
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Nanometer Elastohydrodynamic Lubrication
1997The ultra-thin film optical interferometry technique has extended the exploration of elastohydrodynamic (EHD) lubrication to a regime where film thickness is measured in nanometers. With the gap between the lubricated surfaces corresponding to the width of just a few molecules, investigations are now being made into the validity of classical EHD theory
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Visco-elastohydrodynamic lubrication of layered materials with imperfect layer-substrate interfaces
International Journal of Mechanical Sciences, 2021Q Jane Wang +2 more
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