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Title: Numerical investigation of laminar heat transfer of nanofluid-cooled mini-rectangular fin heat sinks
Authors: Naphon P.
Nakharintr L.
Keywords: Heat convection
Heat sinks
Heat transfer
Convective heat transfer
Laminar heat transfer
Nanoparticle concentrations
Numerical investigations
Single-phase model
Three-dimensional analysis
Two-phase model
Issue Date: 2015
Abstract: The single-and two-phase models in three-dimensional analysis are applied to study laminar convective heat transfer of nanofluids in a minichannel heat sink. The nanofluids with suspending TiO<inf>2</inf> nanoparticles of average diameter 21 nm are prepared by ultrasound with a constant nanoparticle concentration of 0.4 vol.% without using surfactants. Experiments are carried out to verify the predicted results. It is shown that the results obtained from the two-phase model are more precise in comparison with the experimental results than those from the single-phase model. The predicted heat transfer coefficients for nanofluids are higher than those for water. © 2015 Springer Science+Business Media New York.
ISSN: 10620125
Appears in Collections:Scopus 1983-2021

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