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A Study on Hydromagnetic Pulsating Flow of a Nanofluid in a Porous Channel With Thermal Radiation

Published online by Cambridge University Press:  19 August 2016

A. Vijayalakshmi  and
S. Srinivas
A. Vijayalakshmi
Affiliation:
Department of Mathematics School of Advanced Sciences VIT University Vellore, India
S. Srinivas*
Affiliation:
Department of Mathematics School of Advanced Sciences VIT University Vellore, India
*
*Corresponding author (srinusuripeddi@hotmail.com)
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Abstract

The present study investigates the hydromagnetic pulsating nanofluid flow in a porous channel with thermal radiation. In this work, we considered water as the base fluid and silver (Ag), copper (Cu), alumina (Al 2 O 3) and titanium dioxide (TiO 2) as nanoparticles. The Maxwell-Garnetts and Brinkman models are used to evaluate the effective thermal conductivity and viscosity of the nanofluid. The governing equations are solved analytically and the influence of various parameters on velocity, temperature and heat transfer rate has been discussed through graphical results. From the results, it is found that the rate of heat transfer enhances with an increase of nanoparticle volume fraction. Further, the heat transfer rate is higher for silver nanoparticles as compared with copper, alumina and titanium dioxide.

Keywords

Pulsating flowNanofluidHartmann numberDarcy number

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Type
Research Article
Information
Journal of Mechanics , Volume 33 , Issue 2 , April 2017 , pp. 213 - 224
Copyright
Copyright © The Society of Theoretical and Applied Mechanics 2017 

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