Citation

Matin, M. Habibi and Tso, Chih Ping (2014) Viscous dissipative microchannel flow of a nanofluid under Magneto-Hydrodynamic (MHD) effect and with boundary slip. Nanoscale and Microscale Thermophysical Engineering, 18 (2). pp. 137-154. ISSN 1556-7265

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Abstract

The present study deals with an analytical solution in forced convection of laminar fully developed flow and heat transfer of Al2O3–water nanofluid in a slit microchannel with constant wall heat flux in the presence of a viscous dissipation effect. The novelty in the solution is to include the magneto-hydrodynamic (MHD) effect, consider a slip condition for velocity at the wall, and use a temperature-dependent model for thermal conductivity that has not been applied to such a situation before. Closed-form solutions are obtained based on the Brinkman number, Hartman number, dimensionless slip coefficient, and nanoparticle volume fraction. The results are discussed in terms of dimensionless velocity and temperature distributions and the Nusselt number. It is observed that the Nusselt number diminishes with an increase in the dimensionless slip coefficient and Brinkman number and it increases with an increase in the Hartman number and nanoparticle volume fraction. In addition, it is shown that the classical Maxwell model for thermal conductivity overestimates the Nusselt number compared to the present model.

Item Type:	Article
Subjects:	T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions:	Faculty of Engineering and Technology (FET)
Depositing User:	Ms Nurul Iqtiani Ahmad
Date Deposited:	15 May 2014 07:00
Last Modified:	17 Jul 2014 08:47
URII:	http://shdl.mmu.edu.my/id/eprint/5512

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