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Open AccessArticle

Shape Effect of Nanosize Particles on Magnetohydrodynamic Nanofluid Flow and Heat Transfer over a Stretching Sheet with Entropy Generation

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Department of Modern Mechanics, CAS Key Laboratory of Mechanical Behavior and Design of Materials, University of Science and Technology of China, Hefei 230026, China
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Department of Mathematics, Faculty of Arts and Sciences, Cankaya University, Ankara 06530, Turkey
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Department of Medical Research, China Medical University, Taichung 40402, Taiwan
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Institute of Space Sciences, 077125 Magurele-Bucharest, Romania
5
Mathematics and Natural Sciences, Prince Mohammad Bin Fahd University, Al Khobar 31952, Saudi Arabia
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Department of Mathematics, University of Sargodha, Sargodha 40100, Pakistan
*
Authors to whom correspondence should be addressed.
Entropy 2020, 22(10), 1171; https://doi.org/10.3390/e22101171
Received: 5 September 2020 / Revised: 13 October 2020 / Accepted: 13 October 2020 / Published: 18 October 2020
(This article belongs to the Special Issue Recent Advances of Entropy in Nanofluid Engineering)
Magnetohydrodynamic nanofluid technologies are emerging in several areas including pharmacology, medicine and lubrication (smart tribology). The present study discusses the heat transfer and entropy generation of magnetohydrodynamic (MHD) Ag-water nanofluid flow over a stretching sheet with the effect of nanoparticles shape. Three different geometries of nanoparticles—sphere, blade and lamina—are considered. The problem is modeled in the form of momentum, energy and entropy equations. The homotopy analysis method (HAM) is used to find the analytical solution of momentum, energy and entropy equations. The variations of velocity profile, temperature profile, Nusselt number and entropy generation with the influences of physical parameters are discussed in graphical form. The results show that the performance of lamina-shaped nanoparticles is better in temperature distribution, heat transfer and enhancement of the entropy generation. View Full-Text
Keywords: nanofluid; nanoparticles; analytical solution; magnetic field; entropy generation nanofluid; nanoparticles; analytical solution; magnetic field; entropy generation
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MDPI and ACS Style

Rashid, U.; Baleanu, D.; Iqbal, A.; Abbas, M. Shape Effect of Nanosize Particles on Magnetohydrodynamic Nanofluid Flow and Heat Transfer over a Stretching Sheet with Entropy Generation. Entropy 2020, 22, 1171.

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