Hydrodynamic Lubrication of Porous Journal Bearings with a Grease
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概要
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Porous materials find a wide range of applications as bearing metals because of their self-lubricating action. On the other hand, grease its widely used as a lubricant for porous metal bearings because of its simplicity of application. Unfortunately, since the governing law for flows of grease in porous matrices, that is Equivalent to Darcy's law for Newtonian fluids, has not been established, the hydrodynamic lubrication of porous metal bearings with grease has not been reported. Applying a modified Darcy's law for a Bingham solid postulated by the author to porous journal bearings lubricated with grease, this paper analyzes how the yield stress of a Bingham solid and the permeability coefficient of porous matrix affect the flows of lubricating film and porous metal.
- 一般社団法人日本機械学会の論文
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