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Analysis of EHL Circular Contact Shut Down
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, an isothermal study of the shut down process of elastohydrodynamic lubrication under a constant load is performed. The surface mean velocity is decreased linearly from the initial ...
The Effects of a Stationary Surface Pocket on EHL Line Contact Start-Up
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, the start-up process of line contact elastohydrodynamic lubrication with a stationary central surface pocket is studied. The solution of the pressure profile and film thickness ...
Analysis of EHL Circular Contact Start Up: Part I—Mixed Contact Model With Pressure and Film Thickness Results
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper a model is presented to investigate the start up condition in elastohydrodynamic lubrication. During start up the lubrication condition falls into the mixed lubrication regime. The ...
Analysis of EHL Circular Contact Start Up: Part II—Surface Temperature Rise Model and Results
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A numerical model of surface temperature rise in elastohydrodynamic lubrication start up process is presented. The frictional heat flux is modeled as the product of lubricated contact pressure ...
A Finite Element Analysis of Surface Pocket Effects in Hertzian Line Contact
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: During start up and shut down of heavily loaded rolling/sliding contacts, the lubricant film separating the surfaces is extremely thin and not fully developed. The load is supported by both ...