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Elastohydrodynamic effects in elliptical bearings
Affiliation:1. Department of Drug Sciences, Section of Pharmacology, University of Pavia, Pavia, Italy;2. NANO-i⿿Research Center on Ocular Nanotechnology, Department of Drug Sciences, University of Catania, Catania, Italy;3. Department of Biomedical and Biotechnological Sciences, School of Medicine, University of Catania, Catania, Italy;4. Nanomedicine Group, Te.Far.T.I. Center, Department of Life Sciences, University of Modena and Reggio Emilia, Modena, Italy;1. Department of Chemical & Biochemical Engineering, University of Western Ontario, London, Ontario, Canada N6A 5B9;2. Department of Medical Biophysics, University of Western Ontario, London, Ontario, Canada N6A 5B9;3. School of Kinesiology, Faculty of Health Sciences, University of Western Ontario, London, Ontario, Canada N6A 5B9;1. LEMI, FSI, University of M''hamed Bougara, avenue de l''Indépendance, 35000 Boumerdes, Algeria;2. Department of Bioresource Engineering, McGill University, Sainte-Anne-de-Bellevue, Montreal, QC, Canada;3. DynFluid Lab., Arts et Métiers ParisTech, 151, boulevard de l''Hôpital, 75013 Paris, France
Abstract:In this paper the effect of bearing deformation on the static and dynamic performance characteristics of an elliptical bearing is presented. The finite element method has been used to solve the three-dimensional Navier-Stokes and the continuity equations governing the lubricant flow in the clearance space of the journal bearing and the three-dimensional elasticity equations governing the displacement field in the bearing shell. The static and dynamic performance characteristics are presented at various eccentricities for a wide range of deformation coefficient values which take into account the flexibility of the bearing liner.
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