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Viscosity and density of aluminum oxide nanolubricant / Mark A. Kedzierski in International journal of refrigeration, Vol. 36 N° 4 (Juin 2013) 

Public ISBD [article]  in International journal of refrigeration > Vol. 36 N° 4 (Juin 2013) . - pp. 1333–1340 Titre : Viscosity and density of aluminum oxide nanolubricant Titre original : Viscosité et masse volumique d'un nanolubrifiant à base d'oxyde d'aluminium Type de document : texte imprimé Auteurs : Mark A. Kedzierski, Auteur Année de publication : 2013 Article en page(s) : pp. 1333–1340 Note générale : Refrigeration Langues : Anglais (eng) Mots-clés : Colloidal  suspension;  Density;  Lubricant;  Viscosity;  Water  chiller Résumé : This paper presents liquid kinematic viscosity and density measurements of a synthetic polyolester-based aluminum oxide (Al2O3) nanoparticle dispersion (nanolubricant) at atmospheric pressure over the temperature range 288 K–318 K. Two Al2O3 particles diameters were investigated: approximately 60 nm and 10 nm. A good dispersion of the spherical nanoparticles in the lubricant was maintained with a surfactant. Viscosity and density measurements were made for the neat lubricant along with twelve nanolubricants with differing nanoparticle and surfactant mass fractions. A new model was developed to predict the kinematic viscosity of the nanolubricant by summing the viscosities of the nanoparticle, the surfactant and the base lubricant. The resulting correlated model for the liquid kinematic viscosity was a function of temperature, nanoparticle mass fraction, surfactant mass fraction, and nanoparticle diameter. The measurements are important for the design of nanolubricants for heat transfer and flow applications. En ligne : http://www.sciencedirect.com/science/article/pii/S014070071300056X [article] Viscosity and density of aluminum oxide nanolubricant = Viscosité et masse volumique d'un nanolubrifiant à base d'oxyde d'aluminium [texte imprimé] / Mark A. Kedzierski, Auteur . - 2013 . - pp. 1333–1340. Refrigeration Langues : Anglais (eng) in International journal of refrigeration > Vol. 36 N° 4 (Juin 2013) . - pp. 1333–1340 Mots-clés : Colloidal  suspension;  Density;  Lubricant;  Viscosity;  Water  chiller Résumé : This paper presents liquid kinematic viscosity and density measurements of a synthetic polyolester-based aluminum oxide (Al2O3) nanoparticle dispersion (nanolubricant) at atmospheric pressure over the temperature range 288 K–318 K. Two Al2O3 particles diameters were investigated: approximately 60 nm and 10 nm. A good dispersion of the spherical nanoparticles in the lubricant was maintained with a surfactant. Viscosity and density measurements were made for the neat lubricant along with twelve nanolubricants with differing nanoparticle and surfactant mass fractions. A new model was developed to predict the kinematic viscosity of the nanolubricant by summing the viscosities of the nanoparticle, the surfactant and the base lubricant. The resulting correlated model for the liquid kinematic viscosity was a function of temperature, nanoparticle mass fraction, surfactant mass fraction, and nanoparticle diameter. The measurements are important for the design of nanolubricants for heat transfer and flow applications. En ligne : http://www.sciencedirect.com/science/article/pii/S014070071300056X