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Effects of cobalt ferrite coated with silica nanocomposite on the thermal conductivity of an antifreeze: New nanofluid for refrigeration condensers.

Author(s) : SAFAEI M. R., RANJBARZADEH R., HAJIZADEH A., et al.

Type of article: Article, IJR article

Summary

The purpose of the present study was to study the process of development, stability and measurement of thermal conductivity of nanofluid combination of antifreeze-CoFe2O4/SiO2. The results of photography capturing technique showed that the use of CMC surfactant with a mass ratio of 0.1 nanoparticles produced the best long-term stability conditions. Thermal conductivity measurement of nanofluid was performed using KD2-Pro thermal analyzer in a temperature range of 25–50°C with 0.1–1.5% of mass fraction. The results show that the nanofluid thermal conductivity enhanced with increasing the mass fraction of the nanoparticles up to 37.7%. In order to calculate the nano-antifreeze thermal conductivity using curve fitting method of laboratory data, an experimental correlation with high precision was presented. Finally, regarding thermal properties of this nano-antifreeze, it can be introduced as an alternative with high heat transfer potential in thermal and refrigeration systems.

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Pages: 86-95

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Details

  • Original title: Effects of cobalt ferrite coated with silica nanocomposite on the thermal conductivity of an antifreeze: New nanofluid for refrigeration condensers.
  • Record ID : 30025863
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 102
  • Publication date: 2019/06
  • DOI: http://dx.doi.org/10.1016/j.ijrefrig.2018.12.007

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