Creator:
Suganthi, R.K. ; Pullepu, Bapuji ; Supriya, P. ; Shanmugapriya, M. ; Pop, I.
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Subject and Keywords:
mass diffusivity ; non-Darcy ; porous medium ; stratification ; thermal conductivity
Abstract:
The research in this article is carried out to study incompressible and unsteady free convective flow on a semi- infinite isothermal vertical plate in a doubly stratified non-Darcian porous media with variable mass diffusivity and variable thermal conductivity. The governing non-linear partial differential equations of flow were calculated by applying an implicit finite difference scheme of the Crank-Nicolson type. ; Various parametric impacts on concentration profiles, temperature, velocity, as well as Sherwood number, Nusselt number, and skin friction, were examined and presented in graphs. It is examined that there exists a significant temperature decrease for high Darcy number in stratified fluids. Also, it is detected that the presence of stratification produces a considerable drop in skin friction while increasing the mass and heat transfer rate. Results from the present were compared to available solutions, and they matched up well.
Publisher:
Zielona Góra: Uniwersytet Zielonogórski
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Source:
IJAME, volume 29, number 1 (2024)