نتایج جستجو برای: elasto hydrodynamic lubrication problems

تعداد نتایج: 614435  

Journal: :Lubricants 2023

The profile of sealing land is a sensitive factor affecting the thermo-hydrodynamic lubrication characteristics slipper pair. In this paper, non-uniform wear running surface under was presented and defined as boundary condition. Based on finite volume method successive over-relaxation iteration method, discrete numerical model coupled with temperature, pressure, thickness oil film constructed. ...

Journal: :Lubricants 2023

The present study investigates the effect of partial surface texturing, containing large number micro-dimples, in lubrication mechanisms. A CFD model is applied to examine influence texturing on pressure and velocity distribution flow between mating surfaces with relative motion or drop. Various parameters were analyzed. results indicate that equivalent volume step effectively simulates for a w...

Journal: :Chinese journal of mechanical engineering 2022

Abstract The research on surface texture is developing from single macro-texture to composite micro-nano texture. current the anti-friction mechanism and theoretical models of textures relatively weak. Studying characteristics different types determining applicable working conditions each focus research. In this paper, a mathematical model hydrodynamic lubrication established based Navier–Stoke...

Journal: :Colloids and surfaces. B, Biointerfaces 2007
Go Kagata Jian Ping Gong

The friction between two polyelectrolyte gels carrying the same or opposite sign of charges has been investigated using a rheometer. It is found that the friction was strongly dependent on the interfacial interaction between two gel surfaces. In the repulsive interaction case, especially, the friction was extremely low. The friction behavior is attempted to be described in terms of the hydrodyn...

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