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Heat and Mass Transfer

Unsteady Flow of Third Grade Fluid With Soret and Dufour Effects

[+] Author and Article Information
T. Hayat

Department of Mathematics,  Quaid-I-Azam University 45320, Islamabad 44000, Pakistan

M. Awais1

Department of Mathematics,  Quaid-I-Azam University 45320, Islamabad 44000, Pakistanawais_mm@yahoo.com

S. Asghar

Department of Mathematics, COMSATS Institute of Information Technology, H-8, Islamabad 44000, Pakistan

S. Obaidat

Department of Mathematics, College of Sciences,  King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia

1

Corresponding author.

J. Heat Transfer 134(6), 062001 (May 09, 2012) (7 pages) doi:10.1115/1.4006032 History: Received December 01, 2010; Revised November 24, 2011; Published May 09, 2012

Unsteady flow of a third grade fluid in the presence of Soret and Dufour effects is considered. Employing similarity transformations, the governing equation for the velocity, concentration, and temperature fields is presented. The computations for the corresponding problems are performed by using a homotopy analysis method (HAM). The associated behavior of the flow parameters is discussed and important conclusions have been pointed out.

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Copyright © 2012 by American Society of Mechanical Engineers
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References

Figures

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Figure 11

Effects of Sr and Df on θ for γ > 0

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Figure 10

Effects of Sr and Df on θ for γ < 0

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Figure 9

Effects of Sr and Df on φ for γ > 0

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Figure 8

Effects of Sr and Df on φ for γ < 0

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Figure 7

Effects of A on φ for γ > 0

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Figure 6

Effects of A on φ for γ < 0

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Figure 5

Effects of ε3 on f

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Figure 4

Effects of A on f

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Figure 3

ℏ– curve for θ

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Figure 2

ℏ– curves for f and ϕ

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Figure 1

Geometry of the problem

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