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A Simple High Shear Viscometer-Aspects of Correlation with Engine Performance
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English
Abstract
A simple rotary viscometer has been constructed in which multi-grade oils can be tested at temperatures up to 150°C and at shear rates of up to 4 × 105 s-1. Correlation has been made using this apparatus between multi-grade oil shear stability and engine bearing and cylinder bore wear. However, additional tests demonstrated that the chemical action of anti-wear additives also has a major influence on cylinder bore wear.
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Authors
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Citation
Pike, W., Banks, F., and Kulik, S., "A Simple High Shear Viscometer-Aspects of Correlation with Engine Performance," SAE Technical Paper 780981, 1978, https://doi.org/10.4271/780981.Also In
References
- Bell J.C. Voisey M.A. “Some Relationships between the Viscometric Properties of Motor Oils and Performance in European Engines.” SAE Paper No. 770378 presented at SAE Symposium Feb 1977
- Horowitz H. H. “Predicting the Effects of Temperature and Shear Rate on the Viscosity of VI Improved Lubricants.” Amer Chem Soc 1956
- Cox D.B. Manning R.E. Kim D.S. “The Cold Cranking Simulator Method of testing the Viscosity of Motor Oils at Low Temperatures.” SAE Paper No. 680067 1968
- Eberan C.G.A. Eberhorst, G.F. “European Activity concerning Engine Oil Viscosity Classification -Part II.” SAE Paper No. 780377 June 1977
- Stambaugh R.L. Kopko R.J. Bennett P.A. “The Relationship of Journal Bearing Wear to Multigrade Engine Oil Viscometric Properties.” SAE Paper No. 770627 June 1977