The stochastic theory of hydrodynamic lubrication of rough surfaces is used to study the effect of surface roughness on the performance of the squeeze film between circular curved plate and a flat plate. In the context of stochastic theory, two types of one‐dimensional roughness patterns (circumferential and radial roughness) are considered. The stochastic Reynolds equation for the two types of roughness patterns is derived. The closed form expressions for the mean squeeze film pressure, mean load carrying capacity and the squeeze film time are obtained. It is found that, the circumferential one‐dimensional surface roughness pattern increases the mean squeeze film pressure and the load carrying capacity whereas the radial one‐dimensional roughness pattern affects the squeeze film characteristics.
Industrial Lubrication and Tribology – Emerald Publishing
Published: Dec 1, 2004
Keywords: Films (states of matter); Surface texture; Hydrodynamics; Lubrication
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