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2 International Journal of Applied Mechanics and Engineering

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Slip flow in the gas-lubricated Rayleigh step-slider bearing

Farmer D. G., Shepherd J. J.

International Journal of Applied Mechanics and Engineering

2006

Vol. 11, no 3

593-608

Singular perturbation methods are applied to analyse the isothermal operation of the Rayleigh step slider bearing of narrow geometry, when the bearing number is moderate and the gas lubricant is rarefied, so that 'slip flow' occurs. Approximations to the pressure field and load-carrying capacity of such a bearing are obtained; and the influence of step geometry and degree of slip on those quantities is discussed.

The rheology and thermohydrodynamic analysis of non-Newtonian lubricant flows in a Rayleigh step

Jeddi L., EL Khlifi M., Bonneau D.

International Journal of Applied Mechanics and Engineering

2003

Vol. 8, no spec.

141-146

A finite element model is developed for parametric investigation of the influence of the rheological properties of the lubricant on the thermohydrodynamic film conditions which occur in a Rayleigh step bearing. The model is used to predict the thermohydrodynamic field in lubricating film with fixed geometry between the stationary and moving surfaces using power law fluids.