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A General Evaluation Method for the Diabatic Journal Bearing

M. J. Stokes and C. M. M. Ettles
Proceedings of the Royal Society of London. Series A, Mathematical and Physical Sciences
Vol. 336, No. 1606 (Feb. 5, 1974), pp. 307-325
Published by: Royal Society
Stable URL: http://www.jstor.org/stable/78453
Page Count: 19
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
A General Evaluation Method for the Diabatic Journal Bearing
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Abstract

A design method is described for the steadily loaded, full journal bearing. This is presented as a non-iterative set of algebraic equations, where a dependent bearing parameter, e.g. eccentricity or power-loss, is predicted in terms of known independent parameters which include bearing geometry, running conditions and oil characteristics. The method is developed from a regression analysis of accurately computed, fully thermohydrodynamic, solutions for the bearing. These solutions are generated by simultaneously solving the Reynolds and energy equations in the oil film, the Laplace equation in the bearing material and the oil-mixing conditions at inlet. A quasi three-dimensional finite-difference technique is used. Both the particular solutions and the predictions of the design method compare favourably with a wide range of experimental data, the latter showing an improvement in accuracy and economy on existing design methods.

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