Results 181 to 190 of about 10,699 (238)
Superlubricity in EHL Contacts with Water-Containing Gear Fluids
Lubricants, 2019 Fluid friction in elastohydrodynamically lubricated (EHL) contacts depends strongly on the lubricant considered. Synthetic oils can have significantly lower fluid friction than mineral oils.
Mustafa Yilmaz +2 more
exaly +2 more sources
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Acute closed rupture of EHL revisited
The Foot, 2010Isolated closed injuries to the EHL are rare. Traumatic closed rupture of EHL in the absence of diabetes mellitus, arthritis or local steroid injections is hitherto unreported. We present a case of closed EHL rupture after a hyperflexion injury to the interphalangeal joint of the big toe, successfully managed with surgery, along with review of existing
K, Shah, Bob, Carter
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1995
Greenwood [1] 1972 argued that the EHL pressure spike could be explained by the necessity of producing a flattened area on the roller surfaces by the action of pressures restricted to the flat: elasticity then requires the pressure to end with a square-root singularity.
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Greenwood [1] 1972 argued that the EHL pressure spike could be explained by the necessity of producing a flattened area on the roller surfaces by the action of pressures restricted to the flat: elasticity then requires the pressure to end with a square-root singularity.
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Lubrication Science, 2006
AbstractIt is now 60 years since Ertel produced the first solution to the elastohydrodynamic lubrication (EHL) problem. There has been enormous progress since then, both in numerical modelling and in experimental research on EHL. The moving, rough surface EHL problem can now be solved on laptop‐level computers, while maps of film thickness, pressure ...
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AbstractIt is now 60 years since Ertel produced the first solution to the elastohydrodynamic lubrication (EHL) problem. There has been enormous progress since then, both in numerical modelling and in experimental research on EHL. The moving, rough surface EHL problem can now be solved on laptop‐level computers, while maps of film thickness, pressure ...
openaire +1 more source
2003
Summary This paper, based on a recently developed deterministic approach for mixed lubrication, discusses the EHL film breakdown caused by three main reasons: speed (or viscosity) reduction, load increase and surface roughening. It has been observed that as the speed/viscosity is continuously decreased, the reduction of film thickness can be ...
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Summary This paper, based on a recently developed deterministic approach for mixed lubrication, discusses the EHL film breakdown caused by three main reasons: speed (or viscosity) reduction, load increase and surface roughening. It has been observed that as the speed/viscosity is continuously decreased, the reduction of film thickness can be ...
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Ehl-i hadîs ve Ehl-i Re’y İhtilafları
2015Doğuşundan günümüze İslâm toplumlarında hadis/sünnetin varlığı ve önemi tartışılmaz bir gerçek olarak kabul görse de sünnetin tespiti, anlaşılması, yorumlanması ve naslar karşısındaki konumu gibi hususiyetler üzerinde öteden beri büyük mesailer harcanmış ve mevzuya yönelik farklı bakış açıları sebebiyle İslâm toplumu en genel anlamıyla Ehl-i hadîs ve ...
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Kinematics of Roughness in EHL
1996In this paper, by considering only the central zone of the EHL contact, and by following the ideas of Greenwood and Morales-Espejel 1994 [6] that the viscosity is so high that it disappears from the equations and the lubricant becomes in effect just an elastic 'third body', and that the roughness arriving at the end of the inlet produces a pumping ...
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Measurement of EHL temperature by thin film sensors – Thermal insulation effects
Tribology International, 2020Martin Ebner +2 more
exaly