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Numerical Investigation of Laminar Heat Transfer of Nanofluid-Cooled Mini-Rectangular Fin Heat Sinks

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Journal of Engineering Physics and Thermophysics Aims and scope

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 2 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.

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Authors and Affiliations

  1. Thermo-Fluid and Heat Transfer Enhancement Research Lab. (TFHT), Department of Mechanical Engineering, Faculty of Engineering, Srinakharinwirot University, 63 Rangsit-Nakhornnayok Rd., Ongkharak, Nakhorn-Nayok, 26120, Thailand

    Paisarn Naphon & Lursukd Nakharintr

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  1. Paisarn Naphon
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  2. Lursukd Nakharintr
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Correspondence to Paisarn Naphon.

Additional information

Published in Inzhenerno-Fizicheskii Zhurnal, Vol. 88, No. 3, pp. 642–650, May–June, 2015.

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Naphon, P., Nakharintr, L. Numerical Investigation of Laminar Heat Transfer of Nanofluid-Cooled Mini-Rectangular Fin Heat Sinks. J Eng Phys Thermophy 88, 666–675 (2015). https://doi.org/10.1007/s10891-015-1235-1

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  • DOI: https://doi.org/10.1007/s10891-015-1235-1

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