Experiment-Calculated Investigation of the Forced Convection of Nanofluids Using Single Fluid Approach

Abstract:

An experiment-calculated investigation of forced convection of nanofluids based on Al₂O₃ nanoparticles was carried out. The hydrodynamic description and a model of homogeneous nanofluids were used. The homogeneous nanofluids model assumes that the hydrodynamics and heat transfer can be described by conventional Navier-Stokes and heat transfer equations with the physical parameters corresponding to nanofluids. The results showed that this model very well described the experimental data in some cases. However, in some other cases, there are discrepancies between experiment and theory that can be explained by the real heterogeneity of nanofluids and the errors in the experimental determination of thermal conductivity and viscosity of nanofluids.

• Periodical: Defect and Diffusion Forum (Volume 348)
• Pages: 123-138
• DOI: https://doi.org/10.4028/www.scientific.net/DDF.348.123
• Online since: January 2014
• Authors: Andrey V. Minakov, Alexander S. Lobasov, M.I. Pryazhnikov, D.V. Guzei
• Keywords: CFD, Heat Transfer, Micro-Channel, Nanofluid

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