Flow and heat transfer of a nanofluid over a hyperbolically stretching sheet

doi:10.1088/1674-1056/23/7/074401

Abstract This article explores the boundary layer flow and heat transfer of a viscous nanofluid bounded by a hyperbolically stretching sheet. Effects of Brownian and thermophoretic diffusions on heat transfer and concentration of nanoparticles are given due attention. The resulting nonlinear problems are computed for analytic and numerical solutions. The effects of Brownian motion and thermophoretic property are found to increase the temperature of the medium and reduce the heat transfer rate. The thermophoretic property thus enriches the concentration while the Brownian motion reduces the concentration of the nanoparticles in the fluid. Opposite effects of these properties are observed on the Sherwood number.

Keywords: hyperbolically stretching sheet nanofluid boundary layer flow heat transfer

Received: 13 September 2013
Revised: 01 January 2014
Accepted manuscript online:

PACS:	44.20.+b	(Boundary layer heat flow)
	44.05.+e	(Analytical and numerical techniques)
	47.15.-x	(Laminar flows)

Fund: Project supported by the CⅡ T Research Grant Program (CRGP) of COMSATS Institute of Information Technology, Islamabad, Pakistan (Grant No. 16-69/CRGP/CⅡ T/IBD/10/711).

Corresponding Authors: A. Ahmad
E-mail: adeelahmed@comsats.edu.pk

About author: 44.20.+b; 44.05.+e; 47.15.-x

Cite this article:

A. Ahmad, S. Asghar, A. Alsaedi Flow and heat transfer of a nanofluid over a hyperbolically stretching sheet 2014 Chin. Phys. B 23 074401

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Flow and heat transfer of a nanofluid over a hyperbolically stretching sheet

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