Abstract
Aim of studyThe shape effects of nanoparticles are very significant in fluid flow and heat transfer. In this paper, we discuss the effects of nanoparticles shape in nanofluid flow between divergent-convergent channels theoretically. In this present study, various shapes of nanoparticles, namely sphere, column and lamina in zinc oxide-water nanofluid are used. The effect of the magnetic field and joule dissipation are also considered.Research methodologyThe system of nonlinear partial differential equations (PDEs) is converted into ordinary differential equations (ODES). The analytical solutions are successfully obtained and compared with numerical solutions. The Homotopy perturbation method and NDsolve method are used to compare analytical and numerical results respectively.ConclusionThe results show that the lamina shape nanoparticles have higher performance in temperature disturbance and rate of heat transfer as compared to other shapes of nanoparticles.
Highlights
Aim of studyThe shape effects of nanoparticles are very significant in fluid flow and heat transfer
Nowadays, biomedical nanomaterials have achieved significant attention due to their prominent biomedical applications and biological characteristics
The results show that the lamina shape nanoparticles have higher performance in temperature disturbance and rate of heat transfer as compared to other shapes of nanoparticles
Summary
The shape effects of nanoparticles are very significant in fluid flow and heat transfer. We discuss the effects of nanoparticles shape in nanofluid flow between divergentconvergent channels theoretically. In this present study, various shapes of nanoparticles, namely sphere, column and lamina in zinc oxide-water nanofluid are used. The effect of the magnetic field and joule dissipation are considered
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