Second-law analysis for buoyancy-driven hydromagnetic couple stress fluid flow through a porous channel

Kareem, Semiu O. and Adesanya, Samuel O. and Vincent, Uchechukwu Enyim (2016) Second-law analysis for buoyancy-driven hydromagnetic couple stress fluid flow through a porous channel. Comptes Rendus Mécanique, 344 (8). pp. 547-555.

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Abstract

This paper examines the combined effects of the buoyancy force and of the magnetic field on the entropy generation rate in the flow of a couple stress fluid through a porous vertical channel. The flow's dynamical equations were non-dimensionalised and solved via the application of the Adomian decomposition method (ADM). Variations of some thermo-physical parameters were conducted and discussed, with regard to the physics of the fluid. Our result shows that the entropy generation rate increases as the buoyancy increases in the fluid. In addition, the irreversibility in the flow system results mainly from the fluid's viscosity, ohmic heating, and the buoyancy.

Item Type:
Journal Article
Journal or Publication Title:
Comptes Rendus Mécanique
Subjects:
ID Code:
79419
Deposited By:
Deposited On:
09 Aug 2016 10:14
Refereed?:
Yes
Published?:
Published
Last Modified:
01 Jan 2020 09:43