Results 211 to 220 of about 33,503 (264)

The four step porous bearing

Tribology International, 1978
Atti del Congresso Internazionale “I^ Frontiers in lubricant technology conference”, Napoli 4 – 7 Aprile ...
BOCCHINI, G. F., CAPONE, A., CAPONE, E., NIOLA, VINCENZO   +3 more
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Porous Rayleigh Step Bearing with Second‐Order Fluid

ZAMM - Journal of Applied Mathematics and Mechanics / Zeitschrift für Angewandte Mathematik und Mechanik, 1990
AbstractThe theoretical analysis of a porous Rayleigh Step bearing lubricated by a second‐order fluid is considered. An approximate method for the solution of the governing fluid film equations and Darcy's equations for a porous region is proposed.
Bujurke, N. M., Naduvinamani, N. B., Jagadeeswar, M.   +2 more
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Porous Metal Journal Bearings

2013
Porous journal bearings are made of a porous bush impregnated with oil, acting as an oil reservoir, and so avoiding any external oil supply, for lubricating the contact between a rotating shaft and the stationary bush (or sometimes between a stationary shaft and a rotating bush).
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Lubrication of Porous Journal Bearings

Journal of Lubrication Technology, 1972
An analytical solution for the performance characteristics of finite porous journal bearings is obtained. Results are presented which relate the eccentricity ratio and coefficient of friction as functions of load number for design variables of 0.0001, 0.001, 0.01, and 0.1. The load capacity obtained by using the finite bearing theory is compared to the
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Analysis of porous slider bearings

Wear, 1974
Abstract An infinitely wide, porous slider bearing press-fitted into the housing and working with a full film of lubricant is analysed. The permeability of the bearing material reduces the load capacity and increases the friction in the bearing.
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Squeeze Films in Porous Metal Bearings

Journal of Lubrication Technology, 1972
Squeeze films in an axially undefined porous journal bearing with a full film of lubricant are analyzed to determine their performance. The expressions for pressure distribution and load capacity are given in closed form. The time-height relation is obtained by numerical integration. The results are shown graphically. It is found that the time required
J. Prakash, S. K. Vij
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Coupling of porous cermet bearings

Soviet Powder Metallurgy and Metal Ceramics, 1967
1. It has been established that, unlike cast materials, when press fitting porous cermet bearings an increase of interference does not lead to a noticeable increase of strength. 2. It has been shown that wall thickness, porosity, and material of the bearing has an effect on the value of the relative strength coefficient.
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Lubrication of a Porous Bearing—Reynolds’ Solution

Journal of Applied Mechanics, 1966
The problem of lubrication of a journal in a porous bearing is considered. A Reynolds equation modified to accommodate mass transfer with the fluid-saturated bearing is solved, and the influence of the permeability and radius ratio of the bearing is examined.
C. C. Shir, D. D. Joseph
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Experimental Investigation of Porous Bronze Bearings

Journal of Lubrication Technology, 1973
An experimental study was made of the performance of porous bronze bearings under different operating conditions. A PV value of 50,000 psi ft/min was found to be too high for the assembly used when the bearings were lubricated only by the oil initially provided within their structure.
C. Cusano, R. M. Phelan
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Lubrication of a Porous Bearing With Surface Corrugations

Journal of Lubrication Technology, 1982
The paper considers the surface roughness effects in hydrodynamic porous bearings. On the basis of stochastic theory of hydrodynamic lubrication of rough surfaces developed by Christensen, different forms of Reynolds type equations, as applicable to a general porous bearings are derived for various types of surface roughness pattern.
PRAKASH, J, TIWARI, K
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