Simulations of micropolar nanofluid-equipped natural convective-driven flow in a cavity

Ullah, Naeem, Nadeem, Sohail, McCash, Luthais, Saleem, Anber and Issakhov, Alibek (2021) Simulations of micropolar nanofluid-equipped natural convective-driven flow in a cavity. International Journal of Numerical Methods for Heat & Fluid Flow, 31 (8). pp. 2640-2659. ISSN 0961-5539

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Purpose: This paper aims to focus on the natural convective flow analysis of micropolar nanofluid fluid in a rectangular vertical container. A heated source is placed in the lower wall to generate the internal flow. In further assumptions, the left/right wall are kept cool, while the upper and lower remaining portions are insulated. Free convection prevails in the regime because of thermal difference in-between the lower warmer and upper colder region. Design/methodology/approach: The physical setup owns mathematical framework in-terms of non-linear partial differential equations. For the solution purpose of the differential system, finite volume method is adopted. The interesting features of the flow along with thermal transportation involve both translational and rotational movement of fluid particles. Findings: Performing the simulations towards flow controlling variables the outputs are put together in contour maps and line graphs. It is indicated that the variations in flow profile mass concentration and temperature field augments at higher Rayleigh parameter because of stronger buoyancy effects. Higher viscosity coefficient implies decrease in flow and thermal transportation. Further, the average heat transfer rate also grows by increasing both the Rayleigh parameter and heated source length. Originality/value: To the best of the authors’ knowledge, no such study has been addressed yet. Further, the results are validated by comparing with previously published work.

Item Type: Article
Uncontrolled Keywords: buongiorno,microrotation,model,nanofluid,natural convection,numerical simulation,mechanics of materials,mechanical engineering,computer science applications,applied mathematics ,/dk/atira/pure/subjectarea/asjc/2200/2211
Faculty \ School: Faculty of Science > School of Mathematics
Related URLs:
Depositing User: LivePure Connector
Date Deposited: 06 Oct 2021 01:59
Last Modified: 08 Mar 2024 15:33
DOI: 10.1108/HFF-08-2020-0504

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