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

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Second-law analysis for buoyancy-driven hydromagnetic couple stress fluid flow through a porous channel. / Kareem, Semiu O.; Adesanya, Samuel O.; Vincent, Uchechukwu Enyim.

In: Comptes Rendus Mécanique, Vol. 344, No. 8, 08.2016, p. 547-555.

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Kareem, Semiu O. ; Adesanya, Samuel O. ; Vincent, Uchechukwu Enyim. / Second-law analysis for buoyancy-driven hydromagnetic couple stress fluid flow through a porous channel. In: Comptes Rendus Mécanique. 2016 ; Vol. 344, No. 8. pp. 547-555.

Bibtex

@article{7102bfffae214e5f9f20d13b0934652f,
title = "Second-law analysis for buoyancy-driven hydromagnetic couple stress fluid flow through a porous channel",
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.",
keywords = "Magnetic field, Buoyancy force, Entropy generation, Slip flow, Irreversibility ratio, ADM",
author = "Kareem, {Semiu O.} and Adesanya, {Samuel O.} and Vincent, {Uchechukwu Enyim}",
year = "2016",
month = aug,
doi = "10.1016/j.crme.2016.03.003",
language = "English",
volume = "344",
pages = "547--555",
journal = "Comptes Rendus M{\'e}canique",
number = "8",

}

RIS

TY - JOUR

T1 - Second-law analysis for buoyancy-driven hydromagnetic couple stress fluid flow through a porous channel

AU - Kareem, Semiu O.

AU - Adesanya, Samuel O.

AU - Vincent, Uchechukwu Enyim

PY - 2016/8

Y1 - 2016/8

N2 - 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.

AB - 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.

KW - Magnetic field

KW - Buoyancy force

KW - Entropy generation

KW - Slip flow

KW - Irreversibility ratio

KW - ADM

U2 - 10.1016/j.crme.2016.03.003

DO - 10.1016/j.crme.2016.03.003

M3 - Journal article

VL - 344

SP - 547

EP - 555

JO - Comptes Rendus Mécanique

JF - Comptes Rendus Mécanique

IS - 8

ER -