The Generalized Newtonian Fluid Model and Elastohydrodynamic Film Thickness

[+] Author and Article Information
Scott Bair

Georgia Institute of Technology, Center for High Pressure Rheology, George W. Woodruff School of Mechanical Engineering, Atlanta, GA 30332-0405

Farrukh Qureshi

Physical & Analytical Sciences, The Lubrizol Corporation, 29400 Lakeland Boulevard, Wickliffe, OH 44092-2298

J. Tribol 125(1), 70-75 (Dec 31, 2002) (6 pages) doi:10.1115/1.1504086 History: Received February 07, 2002; Revised June 21, 2002; Online December 31, 2002
Copyright © 2003 by ASME
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Grahic Jump Location
Comparison of non-equilibrium molecular dynamics (States S) and experiment (States E) for squalane at pressures to 1 GPa, reproduced from 7. Units of reduced viscosity, ηr, are mPa⋅s and reduced shear rate, γ̇r, are s−1 .
Grahic Jump Location
A comparison of some data of Eyring 15 with the Prandtl-Eyring and Ree-Eyring models. The Carreau-Yasuda model is also shown.
Grahic Jump Location
The molecular weight of some liquid lubricants as a function of viscosity near ambient conditions. The broken line separates shear-thinning inlet behavior, above, from Newtonian, below.
Grahic Jump Location
Comparison of pressure-viscosity coefficients derived from film thickness 32 with those obtained by viscosity measurement for branched perfluorinated polyethers (PFPE Y)
Grahic Jump Location
Flow curves for silicone oils of the same viscosity grades used by Dyson and Wilson 5
Grahic Jump Location
Calculations of film thickness using the Carreau equation and measured parameters compared with the data of Dyson and Wilson 5 for rolling and sliding contact



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