Article Dans Une Revue Applied Rheology Année : 2011

Effect of water pollution on rheological properties of lubricating oil

Résumé

This paper presents an experimental study of the rheological behaviour of water-in-oil mixtures without any additive, up to 10 % of mass water concentration, where the mixture is considered to be a Newtonian fluid. The selected oil is a classical turbine mineral oil. Viscosity was measured for five temperatures, ranging from 10 to 80°C, for droplet size below 30 mm. A light decrease of viscosity was detected for water concentrations below 0.1 %. For concentrations greater than 0.2 %, viscosity increases with water concentration. Moreover, the variation of viscosity with temperature shows good correlation with both Walther model and Mac Coull & Walther model. Finally, a new model of water-in-oil mixtures viscosity as a function of temperature and concentration was defined.

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Dates et versions

hal-04423460 , version 1 (29-01-2024)

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Elias Harika, Sébastien Jarny, Philippe Monnet, Jean Bouyer, Michel Fillon. Effect of water pollution on rheological properties of lubricating oil. Applied Rheology, 2011, 21, pp.12613. ⟨10.3933/ApplRheol-21-12613⟩. ⟨hal-04423460⟩
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