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Abstract
The piezoviscous effect is accurately characterized for a number of representative lubricating oil base stocks and a simple, well-defined hydrocarbon. Procedures for the generation of accurate pressure-viscosity coefficients are outlined. The reciprocal asymptotic isoviscous pressure may be measured to within perhaps 1%. The piezoviscous effect may be important to automotive fuel economy. The departure from exponential behavior at very low pressure becomes more pronounced at high temperature.
Presented at the 57th Annual Meeting Houston, Texas May 19–23, 2002
Notes
Presented at the 57th Annual Meeting Houston, Texas May 19–23, 2002
