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1 (a) Discuss the basic characteristics of hydrodynamic lubrication in terms of the nature of flow, distribution of pres
Posted: Sun May 15, 2022 11:41 pm
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- 1 A Discuss The Basic Characteristics Of Hydrodynamic Lubrication In Terms Of The Nature Of Flow Distribution Of Pres 1 (51.23 KiB) Viewed 44 times
1 (a) Discuss the basic characteristics of hydrodynamic lubrication in terms of the nature of flow, distribution of pressure and velocity, viscous/inertia forces, and lubricant viscosity 10 points (b) A hydrodynamic journal bearing of width 40 mm with a shaft of 40 mm diameter that rotates at 1800 rpm and carries a load of 2240 N. The diametral clearance is 80 um and the absolute viscosity of the lubricant is 28 cP. Calculate the minimum film thickness, attitude angle, volumetric flow rate, volumetric side flow rate, maximum film pressure, and lubricant temperature rise. Comment as to why this temperature rise should be applicable to lubricants with different densities and specific heats. 20 points