Mohammed Naceur Borjini

University of Monastir

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Awatef Abidi

King Khalid University

Nessrin Manaa

University of Monastir

Patrice Estellé

Laboratoire de génie civil et génie mécanique

Walid Hassen

University of Monastir

C. Ahamed Saleel

King Khalid University

Jamel Madiouli

University of Monastir

Mounir Alliche

University Yahia Fares of Medea

R. Gannoun

Universidad de Sevilla

Ahmed Kadhim Hussein

University of Babylon

Salha Mohammed Al Makwash

King Khalid University

Cooperative Institutions

University of Monastir

King Khalid University

Ecole Nationale d'Ingénieurs de Monastir

École Nationale d'Ingénieurs de Gabès

Universidad de Sevilla

Prince Sattam Bin Abdulaziz University

University of Ha'il

University of Kairouan

Tunis El Manar University

Tunis University

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Effect of Surfactants on double diffusive natural convection of CNT water-based micropolar nanofluids

Awatef Abidi Nessrin Manaa Patrice Estellé Mohammed Naceur Borjini

Nanofluidics

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Double diffusive convection of hybrid nanofluids in porous enclosures: impact of aspect ratio

Journal of Thermal Analysis and Calorimetry (2024)

Nessrin Manaa Walid Hassen Awatef Abidi Mohammed Naceur Borjini

Aspect ratio (aeronautics)

10.1007/s10973-024-13649-9

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Numerical study of thermo-solutal convection of a Cu/water micropolar nanofluid in a cubic cavity saturated with porous media

The European Physical Journal Special Topics (2024)

Nessrin Manaa Awatef Abidi Ahmed Kadhim Hussein Mounir Alliche Mohammed Naceur Borjini

10.1140/epjs/s11734-024-01111-8

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Citations (3)

Numerical simulation of three-dimensional thermo-solutal convection of micropolar multi-walled carbon nanotubes water nanofluid stabilized by lignin and sodium polycarboxylate

Journal of Thermal Analysis and Calorimetry (2021)

Nessrin Manaa Awatef Abidi Patrice Estellé Mohammed Naceur Borjini

Mass fraction

Volume fraction

10.1007/s10973-021-10667-9

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On Simulation of Double-Diffusive Natural Convection in a Micropolar Nanofluid Filled Cubic Cavity

Heat Transfer Engineering (2020)

Nessrin Manaa Awatef Abidi C. Ahamed Saleel Salha Mohammed Al Makwash Mohammed Naceur Borjini

The heat and mass transfer characteristics of a micropolar nanofluid-filled cubic cavity are investigated with different types of nanoparticles (Al2O3, TiO2, Cu and Ag). Pure water is assumed as the base fluid. The governing equations are simplified by means of vorticity-vector potential formulation and subsequently solved numerically using the finite volume method. The influences of relevant parameters on heat and mass transfer characteristics are well explored and the results show that for the micropolar nanofluid model both heat and mass transfer rates and the three-dimensional character of the flow are smaller compared with that of a pure nanofluid model. It is also found that the rate of heat and mass transfer decreases with an increase in vortex viscosity parameters as well as volume fractions. The enhancement in the volume fraction of nanoparticles weakens both flow strength and three-dimensional nature of the flow, which are more prominent in the thermal buoyancy dominated flow. The average Nusselt and Sherwood numbers decrease with the increase in the volume fraction of nanoparticles resulting in a significant enhancement in thermal properties of nanofluids with elevated heat and mass transport features. The effects of type of nanoparticles on the rate of heat and mass transfer and flow structure are analyzed.

Volume fraction

Mass fraction

10.1080/01457632.2020.1756074

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Citations (16)

Numerical Study of Electro-convection and Electro-thermo-convection in Solar Chimney Geometry

European Journal of Electrical Engineering (2019)

R. Gannoun Walid Hassen Alberto T. Pérez Mohammed Naceur Borjini

In this article, a numerical study was conducted to analyze the effect of electro-convection and electro-thermo-convection in a solar chimney geometry subjected to the simultaneous action of an electric field and a thermal gradient (in the case of electro-thermo-convection).The full set of equations is solved using the finite element software COMSOL Multiphysics.The effects of thermal and electric Rayleigh numbers on charge density distribution, fluid flow and temperature distribution are analyzed.Also the impact of different chimney collector widths is studied in order to determine the optimum width allowing achieving the maximum fluid velocity.It was shown that using a smaller chimney collector width is more convenient in order to increase the fluid flow velocity.In addition, an evaluation of the heat transfer enhancement was made by observing the evolution of heat flow at the exit of the chimney tower as a function of both, the electric and thermal Rayleigh numbers.It was found that the heat transfer enhancement reaches more than 90 % when thermal Rayleigh rises from 5000 to 20000.Finally, the effect of Prandtl number was investigated.

Solar chimney

Chimney (locomotive)

10.18280/ejee.210207

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Citations (3)

Three-dimensional analysis of combined thermal–solutal buoyancy and capillary convection of water-based micropolar multi-walled carbon nanotubes nanofluids

Journal of Thermal Analysis and Calorimetry (2022)

Awatef Abidi Nessrin Manaa Mohamed Degani Patrice Estellé Mohammed Naceur Borjini

Sherwood number

Lewis number

10.1007/s10973-022-11434-0

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Citations (1)

Three-Dimensional Numerical Analysis on Performance Enhancement of Micropolar Hybrid Nanofluid in Comparison with Simple Nanofluid

Heat Transfer Engineering (2020)

Nessrin Manaa Awatef Abidi C. Ahamed Saleel Jamel Madiouli Mohammed Naceur Borjini

The objectives of the present research work are the three-dimensional computational analysis and predictions on double-diffusive natural convection in a cubic cavity filled with Cu–Al2O3/water micropolar hybrid nanofluid. The governing equations are carefully modified employing vorticity–vector potential formulation and are solved by the finite volume method. Performance enhancement of Cu–Al2O3/water micropolar hybrid nanofluid is judiciously compared with the Cu/water simple nanofluid. Besides, the influences of concentration of nanoparticles, Rayleigh number, buoyancy ratio, and micropolar vortex parameter on the flow field and heat transfer are critically analyzed. The results show that heat and mass transfer rates are lower for a micropolar nanofluid model when compared to the pure nanofluid model. The hybrid micropolar nanofluid displays more heat and mass transfer rates for thermal buoyancy-dominated zones when compared with traditional nanofluid. Conversely, the heat and mass transfer rates are decreased when using micropolar hybrid nanofluid for the solutal-dominated regime. The enhancement of micropolar viscosity parameter results in a decrease of average Nusselt and Sherwood numbers which are more perceptible in the thermal buoyancy-dominated flow.

10.1080/01457632.2020.1807106

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Citations (9)