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RISInfluence of Solid Body Temperature on the Thermal EHL Behavior in Circular Contacts
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In order to investigate the influence of the body temperature of contacting solids on the lubrication performance of machine components, such as gears and roller bearings, a full numerical ...
The Behavior of Non-Newtonian Thermal EHL Film in Line Contacts at Dynamic Loads
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The behavior of the thermal elastohydrodynamic lubrication film in line contacts at dynamic loads is investigated numerically with a forward-iterative procedure. The lubricant is assumed to be ...
Size Effect on the Behavior of Thermal Elastohydrodynamic Lubrication of Roller Pairs
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In order to investigate the size effect on elastohydrodynamic lubrication (EHL) of roller pairs, complete numerical solutions for both the Newtonian fluid and the Eyring fluid thermal EHL problems ...
On the Theory of Thermal Elastohydrodynamic Lubrication at High Slide-Roll Ratios—Circular Glass-Steel Contact Solution at Opposite Sliding
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A full numerical solution for the thermal EHL problem in circular contact formed by steel-glass conjunctions with slide-roll ratios larger than 2 has been carried out. An anomalous film profile, ...
On the Theory of Thermal Elastohydrodynamic Lubrication at High Slide-Roll Ratios—Line Contact Solution
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Complete numerical solutions are obtained for the steady-state line contact thermal elastohydrodynamic lubrication (TEHL) problems. The contact surfaces are arranged to run in opposite directions. ...
Influence of Two-Sided Surface Waviness on the EHL Behavior of Rolling/Sliding Point Contacts Under Thermal and Non-Newtonian Conditions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The influence of the transversely and/or longitudinally oriented surface waviness on the lubricating behavior in the rolling/sliding elliptic contact composed of two steel bodies and lubricated ...
On the Surface Dimple Phenomena in Elliptical TEHL Contacts With Arbitrary Entrainment
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Theoretical analysis and optical interferometry experiments are performed to investigate the dimple phenomena in thermal elastohydrodynamic lubrication (TEHL) of elliptical contacts under pure sliding ...
Influence of a Surface Bump or Groove on the Lubricating Performance and Dimple Phenomena in Simple Sliding Point EHL Contacts
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The influence of a transversely or longitudinally oriented surface bump or groove on the lubricating performance and dimple phenomena in the simple sliding point contact composed of a steel ...
Non-Newtonian Thermal Analyses of Point EHL Contacts Using the Eyring Model
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A non-Newtonian numerical solution system for the thermal elastohydrodynamic lubrication (EHL) problems in point contacts has been developed. The Eyring rheology model has been used to describe ...
Vertical Motions Driven by Geostrophic Stress in Surface Boundary Layer under a Finite Ekman Number Regime
Publisher: American Meteorological Society
Abstract: Geostrophic stress caused by a strong horizontal density gradient embedded in the surface boundary layer plays an important role in generating vertical motion and associated tracer transport. However, dependence of this ...