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Entropy 2016, 18(1), 9; doi:10.3390/e18010009

Analysis of Entropy Generation in Natural Convection of Nanofluid inside a Square Cavity Having Hot Solid Block: Tiwari and Das’ Model

1
Department of Theoretical Mechanics, Faculty of Mechanics and Mathematics, Tomsk State University, 634050 Tomsk, Russia
2
Institute of Power Engineering, Tomsk Polytechnic University, 634050 Tomsk, Russia
3
Department of Mechanical Engineering, Technology Faculty, Fırat University, 23100 Elazig, Turkey
4
Department of Mechanical Engineering, Engineering Faculty, King Abdulaziz University, 21589 Jeddah, Saudi Arabia
5
Department of Mathematics, Babeş-Bolyai University, 400084 Cluj-Napoca, Romania
*
Author to whom correspondence should be addressed.
Academic Editors: Giulio Lorenzini and Omid Mahian
Received: 9 November 2015 / Revised: 17 December 2015 / Accepted: 21 December 2015 / Published: 31 December 2015
(This article belongs to the Special Issue Entropy in Nanofluids)
View Full-Text   |   Download PDF [3951 KB, uploaded 31 December 2015]   |  

Abstract

A computational work has been performed in this study to investigate the effects of solid isothermal partition insertion in a nanofluid filled cavity that is cooled via corner isothermal cooler. Mathematical model formulated in dimensionless primitive variables has been solved by finite volume method. The study is performed for different geometrical ratio of solid inserted block and corner isothermal cooler, Rayleigh number and solid volume fraction parameter of nanoparticles. It is observed that an insertion of nanoparticles leads to enhancement of heat transfer and attenuation of convective flow inside the cavity. View Full-Text
Keywords: natural convection; entropy generation; nanofluid; corner cooling; hot centered obstacle natural convection; entropy generation; nanofluid; corner cooling; hot centered obstacle
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Sheremet, M.A.; Oztop, H.F.; Pop, I.; Abu-Hamdeh, N. Analysis of Entropy Generation in Natural Convection of Nanofluid inside a Square Cavity Having Hot Solid Block: Tiwari and Das’ Model. Entropy 2016, 18, 9.

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