Results 131 to 140 of about 56,569 (188)
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Non-conventional elastohydrodynamic lubrication
Wear, 1981Abstract Experimental evidence concerning a mechanism of fluid film lubrication of highly stressed contacts, controlled by both the initial wear and the elastic deformation of surfaces, is presented. This mechanism, designated non-conventional elastohydrodynamic (EHD) lubrication, is likely to occur in point and line contacts with one surface at rest
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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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Regimes of elastohydrodynamic lubrication
Wear, 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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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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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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Elastohydrodynamic Lubrication of Rollers
Nature, 1961IT is now well known that the lubrication at such nominal line contacts as are found in roller races and between gear teeth is hydrodynamic in character. It is also known that this lubrication possesses peculiar features not found in journal bearings and which arise from the high pressure—a pressure, for example, of tens of tons per square inch as ...
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Elastohydrodynamic Lubrication Theory
1993Publisher Summary This chapter focuses on the load capacity of the conventional, liquid-lubricated, journal bearing benefits from the close conformity between two surfaces. Common forms of thrust bearing have films of similar proportions. This is not applicable for gear tooth engagements, cams and followers, and nor for the contact between rolling ...
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Visco-elastohydrodynamic lubrication of layered materials with imperfect layer-substrate interfaces
International Journal of Mechanical Sciences, 2021Qian Wang, Seongchan Pack, Yuchuan Liu
exaly
Proceedings of the Institution of Mechanical Engineers, Part C: Mechanical Engineering Science, 1987
C R Evans, K L Johnson, P S Y Chu
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C R Evans, K L Johnson, P S Y Chu
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