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Entropy generation of nanofluid in presence of magnetic field using Lattice Boltzmann Method

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  • Sheikholeslami, Mohsen
  • Ganji, Davood Domiri

Abstract

In this paper magnetohydrodynamic free convection flow of CuO–water nanofluid in a square enclosure with a rectangular heated body is investigated numerically using Lattice Boltzmann Method (LBM) scheme. The effective thermal conductivity and viscosity of nanofluid are calculated by KKL (Koo–Kleinstreuer–Li) correlation. The influence of pertinent parameters such as Hartmann number, nanoparticle volume fraction and Rayleigh number on the flow, heat transfer and entropy generation have been examined. The results show that the heat transfer rate and Dimensionless entropy generation number increase with increase of the Rayleigh number and nanoparticle volume fraction but it decreases with increase of the Hartmann number.

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  • Sheikholeslami, Mohsen & Ganji, Davood Domiri, 2015. "Entropy generation of nanofluid in presence of magnetic field using Lattice Boltzmann Method," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 417(C), pages 273-286.
    • Handle: RePEc:eee:phsmap:v:417:y:2015:i:c:p:273-286
    DOI: 10.1016/j.physa.2014.09.053
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    References listed on IDEAS

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    1. Premnath, Kannan N. & Pattison, Martin J. & Banerjee, Sanjoy, 2009. "Dynamic subgrid scale modeling of turbulent flows using lattice-Boltzmann method," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 388(13), pages 2640-2658.
    2. Sheikholeslami, Mohsen & Ganji, Davood Domiri, 2014. "Ferrohydrodynamic and magnetohydrodynamic effects on ferrofluid flow and convective heat transfer," Energy, Elsevier, vol. 75(C), pages 400-410.
    3. Sheikholeslami, M. & Gorji-Bandpy, M. & Ganji, D.D., 2013. "Numerical investigation of MHD effects on Al2O3–water nanofluid flow and heat transfer in a semi-annulus enclosure using LBM," Energy, Elsevier, vol. 60(C), pages 501-510.
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