Axisymmetric Stagnation-Point Flow of Nanofluid over a Stretching Surface

Axisymmetric Stagnation-Point Flow of Nanofluid over a Stretching Surface

Year:    2014

Author:    M. Nawaz, T. Hayat

Advances in Applied Mathematics and Mechanics, Vol. 6 (2014), Iss. 2 : pp. 220–232

Abstract

This paper investigates the laminar boundary layer flow of nanofluid induced by a radially stretching sheet. Nanofluid model exhibiting Brownian motion and thermophoresis is used. Series solutions for a reduced system of nonlinear ordinary differential equations are obtained by homotopy analysis method (HAM). Comparative study between the HAM solutions and previously published numerical results shows an excellent agreement. Velocity, temperature and mass fraction are displayed for various values of parameters. The local skin friction coefficient, the local Nusselt number and the local Sherwood number are computed. It is observed that the presence of nanoparticles enhances the thermal conductivity of base fluid. It is found that the convective heat transfer coefficient (Nusselt number) is decreased with an increase in concentration of nanoparticles whereas Sherwood number increases when concentration of nanoparticles in the base fluid is increased.

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Journal Article Details

Publisher Name:    Global Science Press

Language:    English

DOI:    https://doi.org/10.4208/aamm.2013.m93

Advances in Applied Mathematics and Mechanics, Vol. 6 (2014), Iss. 2 : pp. 220–232

Published online:    2014-01

AMS Subject Headings:    Global Science Press

Copyright:    COPYRIGHT: © Global Science Press

Pages:    13

Keywords:    Nanofluid axisymmetric flow stagnation point Nusselt number Sherwood number.

Author Details

M. Nawaz

T. Hayat

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