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Free convection and thermal radiation of a nanofluid inside an inclined L‐shaped microelectronic module under the Lorentz forces' impact
Author(s) -
Massoudi Mohamed Dhia,
Ben Hamida Mohamed Bechir
Publication year - 2021
Publication title -
heat transfer
Language(s) - English
Resource type - Journals
eISSN - 2688-4542
pISSN - 2688-4534
DOI - 10.1002/htj.22009
Subject(s) - nanofluid , mechanics , rayleigh number , multiphysics , nusselt number , thermal radiation , materials science , heat generation , convection , lorentz force , natural convection , heat transfer , combined forced and natural convection , convective heat transfer , thermodynamics , physics , finite element method , turbulence , reynolds number , quantum mechanics , magnetic field
This study aims to study numerically the free convection and thermal radiation of an Ag‐water nanofluid inside an L‐shaped inclined microelectronic module under inclined Lorentz forces and uniform heat generation/absorption effects. The study is established using the software COMSOL Multiphysics based on the finite element method. The main results obtained show that convection heat flow enhances by increasing the Rayleigh number, radiation parameter and nanoparticles shape factor, however, it reduces with increasing the Hartmann number and the aspect ratio. In addition, the presence of uniform heat absorption improves the convection heat flow, by contrast, the presence of uniform heat generation damages this. Besides this, the Lorentz forces' directional impact on the convection heat flow is linked to module inclination. The average Nusselt reaches a maximum for module inclination γ = 45 ° .

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