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Effects of Radiation on Free Convection Flow in a Vertical Channel Embedded in Porous Media
| International Journal of Computer Applications |
| Foundation of Computer Science (FCS), NY, USA |
| Volume 35 - Number 6 |
| Year of Publication: 2011 |
| Authors: S. Das, M. Jana, R. N. Jana |
10.5120/4407-6124
|
S. Das, M. Jana, R. N. Jana . Effects of Radiation on Free Convection Flow in a Vertical Channel Embedded in Porous Media. International Journal of Computer Applications. 35, 6 ( December 2011), 38-44. DOI=10.5120/4407-6124
Abstract
The effects of radiative heat transfer on the fully developed free convection flow of a viscous incompressible fluid-saturated porous medium between two vertical walls in the presence of a uniform gravitational field have been studied. An exact solution of the governing equations has been obtained. Radiation is found to have significant effects on the velocity field and temperature distribution. It is observed that the fluid velocity decreases with an increase in either radiation parameter or porosity parameter. It is also observed that the velocity at any point in the flow region increases with an increase in Grashof number. The effect of thermal radiation on temperature field is also analyzed. The fluid temperature increases with an increase in either radiation parameter or temperature parameter.
References
- Bakier, A.Y. and Gorla, R.S.R. (1996). Thermal radiation effect on mixed convection from horizontal surfaces in saturated porous media. Transport in Porous Media. 23: 357-363.
- Bejan, A. (1994). Convection heat transfer. Weiley, New York.
- B hler, K. (2003). Special solutions of the Boussinesq-equations for free convection flows in a vertical gap. Heat and Mass Transfer. 39: 631-638.
- Hossain, Md. Anwar and Pop, I. (2001). Radiation effects on free convection over a vertical flat plate embedded in a porous medium with high porosity. Int. J. Therm. Sci. 40: 289-295.
- Ingham, D.B., Bejan, A. Mamat, E. and Pop, I. (2004). Emerging Technologies and Techniques in porous media. Kluwer, Bordrecht.
- Ingham, D.B. and Pop, I. (2005). Transport phenomena in porous media. Elsevier Science, Oxford.
- Kavinay, M. (1995). Principles of heat transfer in porous media. Springer-Verlay, New York, Inc..
- Mohammadein, A.A. and El-Amin, M.F. (2000). Thermal dispersion-radiation effects on non-Darcy natural convection in a fluid saturated porous medium. Transport in Porous Medium. 40: 153-163.
- Mukhopadhyay, S. and Layek, G.C. (2009). Radiation effect on forced convective flow and heat transfer over a porous plate in a porous medium. Meccanica. 44: 587-597.
- Nield, D.A. and Bejan, A.(1971). Convection in porous media. Springer, Berlin, Heidelberg, New York.
- Pop, I and Ingham, D.B. (2001). Convective heat transfer: Mathematical and computational modelling of viscous fluids and porous media. Pergamon, Oxford.
- Perdikis, C. and Rapti, E. (2006). Unsteady MHD flow in the presence of radiation. Int. J. of Applied Mech. and Eng. 11: 383-390.
- Raptis, A. (2009). Radiation and free convection flow through a porous medium. Int Commun Heat Mass Transfer. 25: 289-295.
- Raptis, A. and Perdikis, C.(2004). Unsteady flow through a highly porous media in the presence of radiation. Tranfport in Porous media. 57: 171-179.
- Sharma, B.K., Agarwal, M, Chauchary, R.C.(2007). Radiation effect on temrature distribution in three-dimensional Couette flow with suction or injection. Appl. Math. Mech. 28: 309-316.
- Vafai, K.(ed).(2005). Handbook of porous media (2nd ed), Taylor and Francis, New York.
- Weidman, P.D. and Medina, A.(2008). Porous media convection between vertical walls: continuum of solutions from capped to open ends. Acta Mech. 199: 209 - 216.
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