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Publications (11)
Various biomasses have been used as sustainable alternatives in the production of activated carbon for effluent treatment. This study applies Tunisian olive waste as a precursor source for the production of activated carbon (AC), through chemical activation (H3PO4). The AC was characterized through X‐ray diffraction (XRD), scanning electron microsc...
In this paper, we propose a novel structure for biosensors based on a diffraction grating to diagnose four types of cancers cells. This biosensor is used to detect Hela, Jurkat, PC12, MDA-MB-231 and MCF-7 cancerous cells, based on their refractive indices. The present configuration consists of a glass layer covered by a gold layer, a grating coated...
The main objective of this research is to investigate the adsorption isotherms and the optimization of the carbon dioxide (CO2) adsorption process on activated carbon (AC). The AC has been characterized by X-ray diffraction, scanning electron microscopy, and nitrogen (N2) adsorption–desorption. The CO2 isotherms measured under three adsorption temp...
The present paper deals with a numerical simulation of heat sources effects on temperature field inside a solid oxide fuel cell component. The temperature distribution is investigated using a co-flow planar SOFC comprising the air and fuel channel and two-ceramic electrodes, separated by an electrolyte. The Lattice Boltzmann Method is used for the...
A two-dimensional model based on the lattice Boltzmann method (LBM) is established to study the solid oxide fuel cell performance. A single-phase multicomponent model is used to describe mass transport in the porous electrodes and fuel/air channels. Our results are compared with those from the literature and a good agreement is found. After model v...
In this work entropy generation and heat transfer for magnetohydrodynamic (MHD) forced convection flow in a micro duct filled with a porous medium are investigated using a modified axisymmetric Lattice Boltzmann Method. In modeling the flow, the Brinkman–Forchheimer-extended Darcy model is incorporated in momentum equations. The Local Thermal Non-E...
This paper deals with heat transfer and fluid flow in a porous micro duct under local thermal non equilibrium conditions subjected to an external oriented magnetic field. The considered sample is a micro duct filled with porous media assumed to be homogenous, isotropic and saturated. The slip velocity and the temperature jump were uniformly imposed...
Solar water heating systems prove to be an effective technology for converting solar energy into thermal energy. The efficiency of solar thermal conversion is important compared to solar electrical direct conversion systems. Therefore this paper improves numerically the thermal efficiency of solar water heaters wherein we try to improve the convect...
This paper deals with a thermodynamic analysis of sensible heat storage unit built by porous media. Analysis of the system's performances was tested through forced pulsating fluid flow, as thermal enhancement technique. Brinkman-Forchheimer-extended Darcy model is incorporated in momentum equations. Local thermal non-equilibrium (LTNE) between flui...
The present paper centered on a numerical investigation of irreversibility within a porous micro duct subjected to an external oriented magnetic field. At the wall, slip velocity and temperature jump are used as types of boundary conditions. The flow is described by Darcy-Brinkman-Forchheimer model. The Local Thermal Non Equilibrium (LTNE) is adopt...
