Mixed Convection of Unsteady Nanofluids Flow Past A Vertical Plane With Entropy Generation

Maurine Wafula, Mathew Kinyanjui


A fully developed mixed convection nanofluid flow past accelerating vertical plane in the presence of a uniform transverse magnetic field has been studied. Three different types of water-based Nanofluids containing Titanium (iv) oxide, Copper and aluminum (iii) oxide are taken into consideration. The governing equations are solved numerically by shooting technique coupled with Runge-Kutta-Fehlberg integration scheme. Effects of the pertinent parameters on the nanofluid temperature and velocity are shown in figures followed by a quantitative discussion. The expression for entropy generation number and the Bejan number are also obtained based on the profiles. It is found that the magnetic field tends to decrease the nanofluid velocity.

Keywords: Nanofluids, Magnetohydrodynamics, Mixed convection, Heat transfer, Entropy generation.

DOI: 10.7176/MTM/9-3-04

Publication date: March 31st 2019

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ISSN (Paper)2224-5804 ISSN (Online)2225-0522

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