A Simulation Study of the Influence of Pressure and Temperature on the Viscosity of Polymer Modified Lubricating Oils at High Shear Rates

H. S. Song Department of Chemical Engineering, The Pennsylvania State University, University Park, PA, 16802

E. E. Klaus Department of Chemical Engineering, The Pennsylvania State University, University Park, PA, 16802

J. L. Duda Department of Chemical Engineering, The Pennsylvania State University, University Park, PA, 16802

C. S. Wu Department of Chemical Engineering, The Pennsylvania State University, University Park, PA, 16802

Abstract

The effects of high pressure, high temperature and high shear rate on the viscosity of VI improved oils are simulated in a series of high-shear experiments by either lowering the experimental temperature or increasing the molecular weight of the base oil. This study clearly demonstrates that there is no significant difference between the two methods for simulating the high temperature and high pressure conditions.

Presented as a Society of Tribologists and Lubrication Engineers paper at the STLE/ASME Tribology Conference in St. Louis, Missouri, October 14–16, 1991

Notes

Presented as a Society of Tribologists and Lubrication Engineers paper at the STLE/ASME Tribology Conference in St. Louis, Missouri, October 14–16, 1991

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A Simulation Study of the Influence of Pressure and Temperature on the Viscosity of Polymer Modified Lubricating Oils at High Shear Rates

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A Simulation Study of the Influence of Pressure and Temperature on the Viscosity of Polymer Modified Lubricating Oils at High Shear Rates

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