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Viscosity and density of CuO nanolubricant.

Author(s) : KEDZIERSKI M. A.

Type of article: Article, IJR article

Summary

This paper is an updated version of the paper presented at the 3rd IIR conference on Thermophysical Properties and Transfer Processes of Refrigerants, June 23-26, 2009, Boulder, USA. It presents liquid kinematic viscosity and density measurements of a synthetic polyolester based copper (II) oxide (CuO) nanoparticle dispersion (nanolubricant) at atmospheric pressure for a temperature range from approximately 288 K to 318 K. The polyolester was a commercially available chiller lubricant. The CuO particles were approximately 30 nm diameter, spherical, and well dispersed in the lubricant. Viscosity and density measurements were made for the pure base lubricant along with three nanolubricants with differing nanoparticle mass fractions (2.9, 5.6 and 39.2%). The viscosity and the density were shown to increase with respect to increasing nanoparticle mass fraction. Correlations of the viscosity and the density are presented as a function of temperature and nanoparticle concentration. The measurements are important for the design of nanolubricants for heat transfer and flow applications.

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Details

  • Original title: Viscosity and density of CuO nanolubricant.
  • Record ID : 30005913
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 35 - n. 7
  • Publication date: 2012/11

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