Thermal Marangoni convection in two-phase quadratic convective flow of dusty MHD trihybrid nanofluid with non-linear heat source

Case Studies in Thermal Engineering, Journal Year: 2024, Volume and Issue: 57, P. 104190 - 104190

Published: March 30, 2024

The current study examines the effect of heat generation on thermal Marangoni convective boundary layer flow dusty trihybrid nanofluid across a flat surface with radiation and non-linear mixed convection. We consider, two phase liquid model generation. fluctuation tension gradients leads to discovery It can be used for growing crystals, drying silicon wafers, stabilising soap films, wielding. main objective this is ascertain mobility. A consisting magnesium oxide (Mgo), titanium (TiO2), silver (Ag) water as base fluid used. This improve efficiency dependability systems in variety applications by helping optimize transfer processes materials processing, electronics cooling, creation cutting-edge cooling technologies energy systems. existing PDEs are converted into nonlinear ODEs via similarity variables. then solved numerically using shooting technique (RKF-45th approach). When convection parameter rises, higher lead stronger induced flows more efficient inside liquid. As temperature profiles dust phases drop, distribution these characteristics becomes homogeneous.

Language: Английский

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Numerical simulation of magnetohydrodynamics double-diffusive natural convection in a cavity with non-uniform heated walls

Applied Thermal Engineering, Journal Year: 2024, Volume and Issue: 253, P. 123778 - 123778

Published: June 22, 2024

Language: Английский

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Numerical analysis of free convection under the influence of radiation and inclined MHD in a triangular cavity filled with hybrid nanofluid and a porous fin

International Journal of Thermofluids, Journal Year: 2024, Volume and Issue: 24, P. 100843 - 100843

Published: Sept. 1, 2024

This study presents a novel investigation into the thermal behavior of hybrid nanofluid (MgO − Ag H2O) in natural convection around porous fin triangular enclosure under influence radiation and magnetohydrodynamic effects. The research uniquely combines these complex phenomena, addressing significant gap literature. configuration has potential applications advanced solar collectors, electronic cooling systems for high-power devices, compact heat exchangers various industries. main objectives are to understand how parameters transfer fluid flow optimize design enhanced performance. considers range variables including Rayleigh number (103 106), Hartmann (0 – 50), Aspect ratio (0.3 0.6), (Rd = 1 5, λ 5), volume concentration (0- 0.05), which have been numerically analyzed using finite element method (FEM). findings reveal that increasing Darcy (Da) enhances at low numbers (Ra 103,104). However, higher Ra impact Da becomes more complex, with critical beyond efficiency decreases due an increase resistance. nanoparticle plays vital role, as concentrations lead improved efficiency, especially Ra, through conductivity dispersion. length greatly impacts patterns rates, longer fins creating patterns, promoting stronger plumes. Thermal radiation, represented by λ), significantly influences both rate convective within enclosure. also incorporates comprehensive entropy generation analysis, providing insights system irreversibilities optimization potential. analysis reveals interplay between their on offering valuable guidance designing high-performance management systems.

Language: Английский

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Thermo-Fluid Dynamics of Cu-H2O Casson Fluid in an H-Shaped Enclosure with Corrugated Cylinders: A Study of Entropy Generation, MHD, and Radiation Effects

Results in Engineering, Journal Year: 2025, Volume and Issue: unknown, P. 104346 - 104346

Published: Feb. 1, 2025

Language: Английский

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Slip effects on MHD heat and mass transfer flow through porous medium over an exponentially stretching sheet in existence of suction

Journal of Radiation Research and Applied Sciences, Journal Year: 2025, Volume and Issue: 18(2), P. 101338 - 101338

Published: Feb. 12, 2025

Language: Английский

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MHD double diffusive mixed convection and heat generation / absorption in a lid-driven inclined wavy enclosure filled with a ferrofluid

International Journal of Thermofluids, Journal Year: 2024, Volume and Issue: 22, P. 100698 - 100698

Published: May 1, 2024

The magneto-hydrodynamics (MHD) double-diffusive mixed convection and heat generation/absorption in a lid-driven inclined wavy enclosure filled with (Fe3O4/ water) ferrofluid is quantitatively investigated this paper. present study focuses on improving the efficiency of mass thermal performance system. Both left right sidewalls cavity are allowed to move constant velocity upward downward directions, respectively. finite difference approach was applied discretize subsequent governing equations followed by Bi-Conjugate Gradient Stabilized (Bi-CGStab) method solve them. numerical simulation performed for variety parameters, including Hartmann number varied as 0 ≤ Ha 45, inclination angle 0o δ 180o, buoyancy ratio -2 N 2, generation or absorption parameter -10 Qo 10, Richardson 0.01 Ri solid volume fraction ϕ 0.06. results were presented terms streamlines, isotherms, isoconcentrations, average Nusselt number, Sherwood number. transfer rates found decrease increase but N, Ri, Φ. Also, both them reach their peak values at = 10. In addition, enhances they maximum Increasing factor from 5 10 increases 3.5 times. outcomes have significant importance modern industrial applications specifically discipline electronic device cooling.

Language: Английский

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Unsteady, two-dimensional magnetohydrodynamic (MHD) analysis of Casson fluid flow in a porous cavity with heated cylindrical obstacles

AIP Advances, Journal Year: 2024, Volume and Issue: 14(4)

Published: April 1, 2024

This research presents an analysis of entropy generation during natural convection in a porous medium using triangular heated cylindrical obstacles with equal spacing. The study consists three arranged pattern. Each cylinder is uniformly spaced from its neighboring cylinders, creating equilateral triangles throughout the arrangement. All these are heated. arrangement guarantees even distribution across experimental space. governing equations, entropy, numerically solved finite element method. aims to investigate interactions between several key elements fluid dynamics: Casson fluid, magnetohydrodynamics, Darcy–Forchheimer model, and convection. goal gain insights into individual behaviors their combined systems. results indicate that parameter has impact on flow heat transfer characteristics, while Hartmann Nusselt numbers exhibit control mechanisms for intensity affect patterns isotherms, streamlines, entropy.

Language: Английский

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Numerical computations of magnetohydrodynamic (MHD) thermal fluid flow in a permeable cavity: A time dependent based study

Case Studies in Thermal Engineering, Journal Year: 2024, Volume and Issue: 61, P. 104905 - 104905

Published: July 31, 2024

This study presents a comprehensive analysis of unsteady, two-dimensional flow with the interaction between cold walls and heated cylindrical obstacles. The investigation focuses on interplay among fluid dynamics, heat transfer, magnetic fields. behavior conducting effect field present is described using MHD equations, while obstacles are maintained at elevated temperatures. unsteady nature introduces additional complexities. provides insights into various pattern formation, boundary layers, thermal distributions. impact forces dynamics transfer examined, shedding light overall system. obtained results clearly indicate that changes in spacing distance will induce deformations isotherms, especially near obstacles, resulting localized variations. As Hartmann number increases, becomes more pronounced. An increase Eckert number, tends to improve convective efficiency. research contributes better understanding MHD-driven practical implications areas such as magnetohydrodynamic power generation, astrophysical phenomena, controlled fusion.

Language: Английский

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The significance of quadratic thermal radiative scrutinization of a nanofluid flow across a microchannel with thermophoretic particle deposition effects

Nanotechnology Reviews, Journal Year: 2024, Volume and Issue: 13(1)

Published: Jan. 1, 2024

Abstract The investigation of thermal radiation and thermophoretic impacts on nano-based liquid circulation in a microchannel has significant impact the cooling microscale equipment, microliquid devices, many more. These miniature systems can benefit from improved heat transfer efficiency made possible by use nanofluids, which are designed to consist colloidal dispersion nanoparticles carrier liquid. Understanding precisely modeling deposition (TPD) channel surfaces is utmost importance since it greatly affect transmission properties. This work examines complex interaction between quadratic radiation, magnetohydrodynamics, TPD permeable microchannel. It aims solve knowledge gap microfluidics mass transport. governing equations simplified applying suitable similarity restrictions, computing solutions resulting done using Runge‒Kutta Fehlberg fourth‒fifth-order scheme. results shown graphs, engineering metrics analyzed. outcomes show that increased Eckert number, magnetic, porous factors will improve distribution. Quadratic shows greater distribution presence these parameters, while Linear least rate higher linear case nonlinear solid fraction factors. present research helpful improving performance electronic devices cooling, health care other microfluidic applications.

Language: Английский

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Study of ZnO-SAE50 over a Radiated Permeable Exponentially Elongating Curved Device Subject to non-Uniform Thermal Source and Newtonian Heating

Case Studies in Thermal Engineering, Journal Year: 2024, Volume and Issue: 63, P. 105275 - 105275

Published: Oct. 11, 2024

Language: Английский

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