International Journal of Mechanics and Design

Review Study on Experimental Investigation of Heat Transfer Using Al2O3 and CuO Nanoparticles with Water as Base Fluid Through Circular Tube of Heat Exchangers

  1. Abhijeet Sinha
  2. Ankita Sharma

Abstract

A colloidal mixture of nanometric particles (<100 nm) in a base liquid called nanofluid, which is the new generation of heat transfer fluid for various heat transfer applications where the transport characteristics are substantially higher than the base liquid. This review summarizes and analyzes the empirical correlations for the effective thermal conductivity and the dynamic viscosity of the nanofluid on the basis of experimental data and the theoretical model available in the literature. The examination shows that the thermal conductivity ratio of the nanofluid to the base liquid for the spherical and cylindrical nanoparticles increases substantially with the increase in the concentration and the temperature of the nanoparticles. Moreover, the viscosity ratio of the nanofluid to the base liquid also increases with the increase in the concentration of the nanoparticle.

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