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Article Details

Copyright Statement: This is an open access article licensed under a Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, even commercially as long as the original work is properly cited.

Analytical and Numerical Study of the Onset of Electroconvection in a Dielectric Nanofluid Saturated a Rotating Darcy Porous Medium

Author 1: Abderrahim Wakif
Author 2: Zoubair Boulahia
Author 3: Rachid Sehaqui

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Digital Object Identifier (DOI) : 10.14569/IJACSA.2016.070841

Article Published in International Journal of Advanced Computer Science and Applications(IJACSA), Volume 7 Issue 8, 2016.

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Abstract: The simultaneous effect of rotation and a vertical AC electric field on the onset of electroconvection in a horizontal dielectric nanofluid layer saturated a Darcy porous medium is investigated. The boundaries of the dielectric nanofluid layer are considered isothermal, where the vertical nanoparticle flux is zero. The resulting eigenvalue problem is solved analytically by the Galerkin weighted residuals technique (GWRT) and numerically using the power series method (PSM).The results show that an increase either in the AC electric Rayleigh-Darcy number, in the Lewis number, in the nanoparticle Rayleigh-Darcy number or in the modified diffusivity ratio allows to hasten the onset of electroconvection in dielectric nanofluids, while the Taylor-Darcy number and the porosity of the medium allow to delay it.

Keywords: Linear Stability; Electroconvection; Dielectric Nanofluid; Rotation; Porous Medium; Power Series Method

Abderrahim Wakif, Zoubair Boulahia and Rachid Sehaqui, “Analytical and Numerical Study of the Onset of Electroconvection in a Dielectric Nanofluid Saturated a Rotating Darcy Porous Medium” International Journal of Advanced Computer Science and Applications(IJACSA), 7(8), 2016. http://dx.doi.org/10.14569/IJACSA.2016.070841

@article{Wakif2016,
title = {Analytical and Numerical Study of the Onset of Electroconvection in a Dielectric Nanofluid Saturated a Rotating Darcy Porous Medium},
journal = {International Journal of Advanced Computer Science and Applications},
doi = {10.14569/IJACSA.2016.070841},
url = {http://dx.doi.org/10.14569/IJACSA.2016.070841},
year = {2016},
publisher = {The Science and Information Organization},
volume = {7},
number = {8},
author = {Abderrahim Wakif and Zoubair Boulahia and Rachid Sehaqui}
}


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