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Pressure distribution in a porous curvilinear squeeze film bearing lubricated by a Bingham fluid

Walicka A.

International Journal of Applied Mechanics and Engineering

2011

Vol. 16, no 4

1215-1224

The influence of a wall porosity on the pressure distribution in a curvilinear squeeze film bearing lubricated by a viscoplastic fluid of a Bingham type is considered. The general consideration on the flow of viscoplastic fluid in a bearing clearance and in a porous layer are presented. The modified Reynolds equation for the curvilinear thrust bearing is given. The solution of this equation for the case of the squeeze film bearing is presented. As a result one obtains a formula expressing the pressure distribution. The example of a squeeze film between parallel disks is discussed in detail.