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Open AccessArticle

Mixed Convective Flow of Micropolar Nanofluid across a Horizontal Cylinder in Saturated Porous Medium

1
Department of Mathematics, Faculty of Science, Aswan University, Aswan 81528, Egypt
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Department of Mechanical Engineering, College of Engineering, Prince Mohammad Bin Fahd University, Al Khobar 31952, Saudi Arabia
3
Department of Mathematics, College of Science and Humanities in Al-Kharj, Prince Sattam bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
*
Author to whom correspondence should be addressed.
Appl. Sci. 2019, 9(23), 5241; https://doi.org/10.3390/app9235241
Received: 7 November 2019 / Revised: 25 November 2019 / Accepted: 28 November 2019 / Published: 2 December 2019
(This article belongs to the Section Mechanical Engineering)
The micropolar nanofluids are the potential liquids that enhance the thermophysical features and ability of heat transportation instead of base liquids. Alumina and Titania nanoparticles are mixed in a micropolar fluid. The impact of convective boundary condition is also examined with assisting and opposing flows of both nanofluids. The main objective of this study is to investigate mixed convective flow and heat transfer of micropolar nanofluids across a cylinder in a saturated porous medium. Non-similar variables are used to make the governing equations dimensionless. The local similar and non-similar solutions are obtained by using the Runge-Kutta-Fehlberg method of seventh order. The impacts of various embedded variables on the flow and heat transfer of micropolar nanofluids are investigated and interpreted graphically. It is demonstrated that the skin friction and heat transfer rates depend on solid volume fraction of nanoparticles, Biot number, mixed convection, and material parameters. View Full-Text
Keywords: micropolar nanofluid; mixed convection; porous medium; horizontal cylinder; Convective boundary condition micropolar nanofluid; mixed convection; porous medium; horizontal cylinder; Convective boundary condition
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MDPI and ACS Style

Rashad, A.M.; Khan, W.A.; EL-Kabeir, S.M.M.; EL-Hakiem, A.M.A. Mixed Convective Flow of Micropolar Nanofluid across a Horizontal Cylinder in Saturated Porous Medium. Appl. Sci. 2019, 9, 5241.

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