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      CFD Study on Wall/Nanoparticle Interaction in Nanofluids Convective Heat Transfer

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      Advances in Materials Science and Engineering
      Hindawi Limited

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          Abstract

          The Brownian motion of the nanoparticles in nanofluid is one of the potential contributors to enhance effective thermal conductivity and the mechanisms that might contribute to this enhancement are the subject of considerable discussion and debate. In this paper, the mixing effect of the base fluid in the immediate vicinity of the nanoparticles caused by the Brownian motion was analyzed, modeled, and compared with existing experimental data available in the literature. CFD was developed to study the effect of wall/nanoparticle interaction on forced convective heat transfer in a tube under constant wall temperature condition. The results showed that the motion of the particle near the wall which can decrease boundary layer and the hydrodynamics effects associated with the Brownian motion have a significant effect on the convection heat transfer of nanofluid.

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          Most cited references24

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          Heat transfer characteristics of nanofluids: a review

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            Magnetic nanoparticles for drug delivery

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              Brownian diffusion of particles with hydrodynamic interaction

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                Author and article information

                Journal
                Advances in Materials Science and Engineering
                Advances in Materials Science and Engineering
                Hindawi Limited
                1687-8434
                1687-8442
                2013
                2013
                : 2013
                :
                : 1-7
                Article
                10.1155/2013/651365
                b548ee3e-a6f7-41cd-ade1-bb9eec593067
                © 2013

                http://creativecommons.org/licenses/by/3.0/

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