Significance of the inclined magnetic field on the water-based hybrid nanofluid flow over a nonlinear stretching sheet

Algehyne, Ebrahem A.; Al‐Bossly, Afrah; Al-Duais, Fuad S.; Almusawa, Musawa Yahya; Saeed, Anwar

doi:10.1088/1361-6528/acbda1

Cited by 8 publications

(2 citation statements)

References 49 publications

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“…Iftikhar et al (2023) examined how MHD affects convective flow and heat transfer characteristics in a U-shaped cavity containing both water and ferrofluid. Several examinations have taken into account the influence of an external magnetic field in recent times (Mansour et al, 2019; Entropy generation Moolya and Satheesh, 2020;Zhang et al, 2021;El-Shorbagy et al, 2021;Algehyne et al, 2023).…”

Section: Introductionmentioning

confidence: 99%

Comparative analysis of entropy generation and heat transfer in a tilted partially heated square enclosure using the finite difference method

Algehyne

2024

HFF

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Purpose In recent times, there has been a growing interest in buoyancy-induced heat transfer within confined enclosures due to its frequent occurrence in heat transfer processes across diverse engineering disciplines, including electronic cooling, solar technologies, nuclear reactor systems, heat exchangers and energy storage systems. Moreover, the reduction of entropy generation holds significant importance in engineering applications, as it contributes to enhancing thermal system performance. This study, a numerical investigation, aims to analyze entropy generation and natural convection flow in an inclined square enclosure filled with Ag–MgO/water and Ag–TiO2/water hybrid nanofluids under the influence of a magnetic field. The enclosure features heated slits along its bottom and left walls. Following the Boussinesq approximation, the convective flow arises from a horizontal temperature difference between the partially heated walls and the cold right wall. Design/methodology/approach The governing equations for laminar unsteady natural convection flow in a Newtonian, incompressible mixture is solved using a Marker-and-Cell-based finite difference method within a customized MATLAB code. The hybrid nanofluid’s effective thermal conductivity and viscosity are determined using spherical nanoparticle correlations. Findings The numerical investigations cover various parameters, including nanoparticle volume concentration, Hartmann number, Rayleigh number, heat source/sink effects and inclination angle. As the Hartmann and Rayleigh numbers increase, there is a significant enhancement in entropy generation. The average Nusselt number experiences a substantial increase at extremely high values of the Rayleigh number and inclination. Practical implications This numerical investigation explores advanced applications involving various combinations of influential parameters, different nanoparticles, enclosure inclinations and improved designs. The goal is to control fluid flow and enhance heat transfer rates to meet the demands of the Fourth Industrial Revolution. Originality/value In a 90° tilted enclosure, the addition of 5% hybrid nanoparticles to the base fluid resulted in a 17.139% increase in the heat transfer rate for Ag–MgO nanoparticles and a 16.4185% increase for Ag–TiO2 nanoparticles compared to the base fluid. It is observed that a 5% nanoparticle volume fraction results in an increased heat transfer rate, influenced by variations in both the Darcy and Rayleigh numbers. The study demonstrates that the Ag–MgO hybrid nanofluid exhibits superior heat transfer and fluid transport performance compared to the Ag–TiO2 hybrid nanofluid. The simulations pertain to the use of hybrid magnetic nanofluids in fuel cells, solar cavity receivers and the processing of electromagnetic nanomaterials in enclosed environments.

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Section: Introductionmentioning

confidence: 99%

Comparative analysis of entropy generation and heat transfer in a tilted partially heated square enclosure using the finite difference method

Algehyne

2024

HFF

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“…It is applied to resolve heat transfer issues with high nonlinearity order. Few important studies are refereed in [31][32][33][34][35][36][37][38][39][40].…”

Section: Introductionmentioning

confidence: 99%

Mixed convection of two layers with radiative electro-magnetohydrodynamics nanofluid flow in vertical enclosure

Ellahi,

Zeeshan,

Shehzad

et al. 2023

Nanotechnology

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Mixed convection flow of two layers nanofluid in a vertical enclosure is studied. The channel consists of two regions. Region I is electrically conducting while Region II is electrically non-conducting. Region I is filled with base fluid water with copper oxides nanoparticles and Region II is filled with base fluid kerosene oil with iron oxides. The simultaneous effects of electro-magnetohydrodynamics and Grashof number are also taken into account. The governing flow problem consists of nonlinear coupled differential equations which is tackled using analytical technique. Analytical results have been obtained by the homotopy analysis method (HAM). The results for the leading parameters, such as the Hartmann numbers, Grashof numbers, ratio of viscosities, width ratio, volume fraction of nanoparticles, and the ratio of thermal conductivities for three different electric field scenarios under heat generation/absorption were examined. It is found that the effect of the negative electric load parameter assists the flow while the effect of the positive electric load parameter opposes the flow as compared to the case when the electric load parameter is zero. All outcomes for significant parameters on velocity and temperature are discussed graphically.

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Comparative analysis of power-law stretching and suction/blowing over three-dimensional Darcy–Forchheimer copper–water nanofluid flow

Yadav,

Dinesh,

Roopa

et al. 2023

J Therm Anal Calorim

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Significance of the inclined magnetic field on the water-based hybrid nanofluid flow over a nonlinear stretching sheet

Cited by 8 publications

References 49 publications

Comparative analysis of entropy generation and heat transfer in a tilted partially heated square enclosure using the finite difference method

Comparative analysis of entropy generation and heat transfer in a tilted partially heated square enclosure using the finite difference method

Mixed convection of two layers with radiative electro-magnetohydrodynamics nanofluid flow in vertical enclosure

Comparative analysis of power-law stretching and suction/blowing over three-dimensional Darcy–Forchheimer copper–water nanofluid flow

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