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Research Papers: Radiative Heat Transfer

Flow Over a Stretching Sheet in a Dusty Fluid With Radiation Effect

[+] Author and Article Information
G. K. Ramesh

e-mail: gkrmaths@gmail.com

B. J. Gireesha

Department of Studies and
Research in Mathematics,
Kuvempu University,
Shankaraghatta-577451,
Shimoga, Karnataka, India

1Corresponding author.

Contributed by the Heat Transfer Division of ASME for publication in the JOURNAL OF HEAT TRANSFER. Manuscript received December 19, 2012; final manuscript received May 2, 2013; published online August 19, 2013. Assoc. Editor: He-Ping Tan.

J. Heat Transfer 135(10), 102702 (Aug 19, 2013) (6 pages) Paper No: HT-12-1665; doi: 10.1115/1.4024587 History: Received December 19, 2012; Revised May 02, 2013

The radiation effect on a steady two-dimensional boundary layer flow of a dusty fluid over a stretching sheet is analyzed. The governing nonlinear partial differential equations have been transformed by a similarity transformation into a system of nonlinear ordinary differential equations and then solved numerically by applying Runge Kutta Fehlberg fourth-fifth order method (RKF45 method). The effect of fluid particle interaction parameter, Prandtl number, Eckert number, and radiation parameter on heat transfer characteristics in two different general cases, namely (1) the prescribed surface temperature (PST) and (2) the prescribed heat flux (PHF) are presented graphically and discussed. The rate of heat transfer is computed and tabulated for various values of the different parameters. Comparison of the obtained numerical results is made with previously published results.

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References

Figures

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Fig. 1

Physical model and coordinate system of the problem

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Fig. 2

(a) Effect of Prandtl number (Pr) on temperature distribution (PST case) and (b) effect of Prandtl number (Pr) on temperature distribution (PHF case)

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Fig. 3

(a) Effect of Eckert number (Ec) on temperature distribution (PST case) and (b) effect of Eckert number (Ec) on temperature distribution (PHF case)

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Fig. 4

(a) Effect of radiation parameter (Nr) on temperature distribution (PST case) and (b) effect of radiation parameter (Nr) on temperature distribution (PHF case)

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