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Inertia effects in a curvilinear thrust hydrostatic bearing with a porous pad

Walicka A., Jurczak P., Walicki E.

International Journal of Applied Mechanics and Engineering

2010

Vol. 15, no 4

1227-1238

The flow of a Newtonian lubricant in a clearance of a curvilinear thrust hydrostatic bearing with one porous wall is considered. The bearing is modelled by two curvilinear smooth surfaces and the porous wall is adhered to the curve non-porous surface. The flow in the bearing clearance is considered with inertia forces and the Navier-Stokes and Poisson equations are uncoupled by using the Morgan-Cameron approximation. The equations of motion are solved by an averaged inertia method. Step and spherical bearings are discussed as examples. It shown that the inertia effects influence the bearing performance considerably.

Inertia effects in a curvilinear thrust hydrostatic bearing

Walicka A., Wojnarowski J.

International Journal of Applied Mechanics and Engineering

2010

Vol. 15, no 3

909-920

The flow of a Newtonian lubricant in a clearance of a curvilinear thrust hydrostatic bearing with impermeable walls is considered. The flow in the bearing clearance is considered with inertia forces. The equations of motion are solved by an averaged inertia method. A step bearing and a spherical bearing are discussed as examples. It is shown that inertia effects influence the bearing performance considerably.

Performance of a multilobe conical bearing lubricated by an incompressible Newtonian fluid

Walicki E., Walicka A., Rossa R.

Applied Mechanics and Engineering

1999

Vol. 4, no spec.

89-98

In the presented paper the authors provide a solution to the problem of an inertia effect of lubricant flow in a multilobe conical bearing. The problem was solved by Galerkin's method after assuming that the bearing was lubricated with an incompressible Newtonian fluid. General form of solutions for particular cases of the bearing geometry are given.