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HomeDiffusion FoundationsDiffusion Foundations Vol. 11An Integral Treatment for Dissipative Boundary...

An Integral Treatment for Dissipative Boundary Layer Flow along a Radiating Vertical Surface by Natural Convection in a Porous Medium

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Abstract:

In the present study, an integral method of Von Karman type has been used to analyse the phenomenon of natural convection heat and mass transfer near a vertical surface embedded in a fluidsaturated porous medium considering the viscous dissipation and radiation effects. The buoyancy effect is due to the variation of temperature and concentration across the boundary layer. The effects of the governing parameters e.g. buoyancy ratio (N), Lewis number (Le), Eckert number (Ec) and radiation parameter (R) on local Nusselt number, local Sherwood number, velocity profile, temperature profile and concentration profile have been investigated. The results obtained in the present analysis have been compared with the published results available in the literature and they have been found in precise agreement.

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Periodical:

Diffusion Foundations (Volume 11)

Pages:

191-207

DOI:

https://doi.org/10.4028/www.scientific.net/DF.11.191

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Online since:

August 2017

Authors:

Shoeb R. Sayyed, B.B. Singh, Nasreen Bano*

Keywords:

Boundary Layer Thickness, Buoyancy, Heat Transfer, Integral Method, Natural Convection, Radiation Parameter, Viscous Dissipation

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