Free convection of Fe 3 O 4 - Ethylene glycol nanofluid in existence of Coulomb forces is studied. Effect of thermal radiation is taken into account. Properties of nanofluid are varied with supplied voltage and shape of nanoparticles. The bottom wall is considered as positive electrode. Control Volume based Finite Element Method is used to obtain the results, which are the roles of Darcy number (Da), radiation parameter (Rd), Rayleigh number (Ra), nanofluid volume fraction (ϕ), and supplied voltage ( Δ φ). Results indicate that Nusselt number is an enhancing function of supplied voltage and Darcy number. Maximum values for temperature gradient are occurred for platelet shape nanoparticles .
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Sheikholeslami et al. (2018) studied this question.
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