Finite volume method for mixed convection flow of Ag–ethylene glycol nanofluid flow in a cavity having thin central heater

Noor Muhammad, S. Nadeem and Alibek Issakhov

Physica A: Statistical Mechanics and its Applications, 2020, vol. 537, issue C

Abstract: The article focuses on the mixed convective flow of Ag–ethylene glycol nanofluid. The analysis is carried out for a cavity having center as heated. The relatively moving side walls of cavity are retained at low constant temperature while constant heat source is examined in the bottom wall. The rest of the bottom and top walls remain insulated. Cattaneo–Christov heat flux is implemented in the analysis of heat transfer. Heat transfer rate is dig out for the case of Fourier’s heat flux, as for the case of Cattaneo–Christov heat flux it gives implicit expression, which is difficult to analyze and simplify. The problem is analyzed numerically via projection method. Higher heat transfer is observed for the Fourier’s law as compare to Cattaneo–Christov heat flux. The results are expressed by isotherms, streamlines, velocity field, and average Nusselt numbers.

Keywords: Heat transfer; Non-Fourier heat flux; Viscous nanofluid (search for similar items in EconPapers)
Date: 2020
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:537:y:2020:i:c:s0378437119315572

DOI: 10.1016/j.physa.2019.122738

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