Results 151 to 160 of about 343 (195)

The thermohydrodynamic flow equations for hydrostatic thrust bearings

Meccanica, 1970
This paper studies the flow in rotating hydrostatic thrust bearings lubricated with incompressible fluids under pressure. It considers, besides the effects of inertia on the lubricant, its increase in temperature in the film due to fluid friction (thermohydrodynamic flow).
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The pressure distribution in a hydrostatic thrust bearing

International Journal of Mechanical Sciences, 1965
Abstract An expression is obtained for the pressure distribution in a hydrostatic thrust bearing using an existing series expansion solution for radial flow between parallel planes. It is shown that the same result can be obtained by a simple uni-directional flow analysis. The present results are compared with those of earlier investigations in which
J.D. Jackson, G.R. Symmons
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Centrifugal Effects in Hydrostatic Porous Thrust Bearing

Journal of Lubrication Technology, 1979
In this analysis the customary neglected centrifugal effects on the performance of hydrostatic porous thrust bearing with incompressible lubricant has been studied and the effects of their interaction of pressure distribution and load capacity illustrate the possibility of replacement of the nonporous bearing material by porous one.
R. S. Gupta, V. K. Kapur
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A rotating field mhd hydrostatic thrust bearing

Applied Scientific Research, 1969
It is found that the load capacity of a magnetohydrodynamic thrust bearing with a rotating disk can be increased by rotating the axial magnetic field at a suitable speed in a direction opposite to that of the disk rotation. This method of improving the bearing performance is considered to be efficient if the Hartmann number is not too large. Thus for a
Chuen-Yen Chow, R. D. Brunell
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The dynamic characteristics of a hydrostatic thrust bearing

International Journal of Machine Tool Design and Research, 1961
Abstract The dynamic behaviour of a hydrostatic thrust bearing is subjected to a relatively simple analysis, based on an equivalent spring-damper system. The validity of this approach is justified with results obtained from an experimental investigation. The results indicate that the dynamic stiffness of a massless system is at all times greater than
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Control Method of Heavy Hydrostatic Thrust Bearing

2009 International Conference on Intelligent Human-Machine Systems and Cybernetics, 2009
A hybrid fuzzy control scheme was applied to improve the rigidity of hydrostatic thrust bearing. The bearing oil film control was realized by coupling oil film thickness of four controllable chambers. The chamber flow can be regulated by electro hydraulic servo valve-control variable pump according to the surface roughness, load, cutting force, and ...
Guihua Han, Jianying Li, Yuhong Dong, Junpeng Shao   +3 more
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Inertia-induced cavitation in hydrostatic thrust bearings

Wear, 1961
Abstract The critical rotational speed at which inertia-induced cavitation is initiated in the lubricant film of hydrostatic thrust bearings is established. The lubricant mass flow and bearing load capacity at speeds exceeding this critical are determined and presented in the form of master plots of flow and load for all speeds.
J.F. Osterle, W.F. Hughes
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Performance study of a hydrostatic air thrust bearing

Wear, 1981
Abstract In this paper we present the results of an extensive experimental investigation into the performance of a capillary-compensated hydrosatic six-pocket air thrust bearing under static loading and at different journal rotational speeds. The supply pressure ranged from 114 to 276 kPa and the applied load ranged from 53 to 623 N.
N.N.S. Chen, K.W. Ho
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Design of tilted hydrostatic thrust bearings

Wear, 1981
Summary Hydrostatic bearings are usually designed to operate under parallel conditions, but structural and thermal deformations cause tilting of the pad. A semianalytical solution of the pressure equation is used. It is shown that tilting of hydrostatic thrust bearings gives rise to negative pressures and that cavitation may occur depending on the tilt
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The Experimental Analyses of the Effects of the Geometric and Working Parameters on the Circular Hydrostatic Thrust Bearings

JSME International Journal Series C-Mechanical Systems Machine Elements and Manufacturing, 2005
In this paper, the characteristics of disk-type hydrostatic thrust bearings supporting concentric loads; simulating the major bearing/seal parts of axial piston pumps and motors were investigated.
Canbulut, Fazıl
exaly   +2 more sources