STUDY OF GROOVES PROFILE AND PERFORMANCE OF HYDRODYNAMIC BEARING
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Abstract
A growing interest is given to the textured hydrodynamic lubricated contacts. The use of textured surfaces with different shapes of micro cavities (textures) and at different locations of the texture zone can be an effective approach to improve the performance of bearings. The present study examines the texture location influence on the hydrodynamic journal bearing performance. A numerical modeling is used to analyse the cylindrical texture shape effect on the characteristics of a hydrodynamic journal bearing. The theoretical results show that the most important characteristics can be improved through an appropriate arrangement of the textured area on the contact surface. Tribology is a science that covers the study of friction, wear, lubrication, and contact mechanics. It permits to understand the surface interactions and to propose solutions for essential problems. The expanding range of tribological applications, habitually from industrial machinery to microscopic applications recently, has revived the importance and interest in this field. The hydrodynamic bearings are frequently used in wide range of applications and mechanisms since long.
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