Effect of surface roughness on lubrication performance of water-lubricated bearing for energy recovery turbocharger
Yanqiang Ning,
Desheng Zhang,
Yan Li
et al.
Abstract:In this study, the lubrication performance of the water-lubricated bearing of the energy recovery turbocharger was studied considering the surface roughness. By simulating the rough surface of the bearing with the Weierstrass-Mandelbrot function and combining the water film thickness equation, Reynolds average equation, Greenwood-Tripp contact model and motion equation, the theoretical model of water-lubricated bearing is established and its solution is developed. The variational rules for the hydrodynamic pre… Show more
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