Entropy analysis of electromagnetic trihybrid nanofluid flow with temperature-dependent viscosity in a Darcy-Forchheimer porous medium over a stretching sheet under convective conditions

Journal of Molecular Liquids, Journal Year: 2023, Volume and Issue: 393, P. 123660 - 123660

Published: Nov. 25, 2023

Language: Английский

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Effect of variable thermal conductivity of ternary hybrid nanofluids over a stretching sheet with convective boundary conditions and magnetic field

Results in Engineering, Journal Year: 2023, Volume and Issue: 20, P. 101531 - 101531

Published: Oct. 20, 2023

In this study, a partial velocity slip of the boundary layer flow and an analysis MHD two-dimensional ternary hybrid nanofluid with fluid based on polymers variable thermal conductivity are conducted. On stretching sheet convective condition, investigation was Model equations conditions were transformed into set ODEs in order to study flow. The resulting system solved by using Runge-Kutta fourth-order method conjunction shooting method. A numerical done determine impact several key factors system's heat transfer characteristics field velocity. Computed field's properties varying these physical parameters, then graphically displayed results. Additionally, tables covered local shear stress rate respectively, describe flow's resistance motion nanofluid. For thorough comparison, results compiled tables. compared data already available for regular fluids, it discovered that there very high degree agreement between two sets This raises confidence precision their computations. explicit formulas have been derived make simple understand how changes temperature-dependent nanoparticle volume fraction affect significant such as sk. fsdain friction rate, nanofluids.

Language: Английский

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Model-based comparative analysis of MHD stagnation point flow of hybrid nanofluid over a stretching sheet with suction and viscous dissipation

Numerical Heat Transfer Part B Fundamentals, Journal Year: 2024, Volume and Issue: unknown, P. 1 - 22

Published: Feb. 20, 2024

The effects of steady MHD stagnation point flow with viscous dissipation over a permeable stretching surface are examined. fluid water is infused Al2O3−Cu hybrid nanofluid particles. Magnetohydrodynamics (MHDs), suction reveals mechanism for the transmission heat and flow. Many different thermal conductivity models, such as Hamilton–Crosser, Yamada–Ota, Xue models utilized to learn more about thermophysical properties nanoparticles. By using boundary layer approximation, partial differential equations may be transformed into ordinary (ODEs), which linked highly nonlinear. This accomplished by employing separate set equations. Mathematica used find numerical solution applying Runge-Kutta (RK-IV) technique coupled system in question. Visualization resulting data shows velocity, temperature, skin friction. There have also been discoveries local transfer rate. Afterwards, presented tables discussed. Suction S studied together magnetism M, Eckert number Ec, nanoparticle volume fraction toward better understand performance flow, within these systems. According findings this investigation, sheet offers novel approach. When compared Hamilton–Crosser nanofluid, Yamada–Ota model achieves higher rates than other two combined mass suction. Also, tri-models demonstrate growing tendencies rate Al2O3−Cu/H2O Furthermore, nanoparticles superior that conventional nanofluids.

Language: Английский

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Heat transfer analysis of ternary hybrid Williamson nanofluids with gyrotactic microorganisms across stretching surfaces: Local non-similarity method

Numerical Heat Transfer Part A Applications, Journal Year: 2024, Volume and Issue: unknown, P. 1 - 22

Published: April 15, 2024

Managing and controlling energy amidst rapid industrial technological advancements pose significant challenges. Enhanced heat transfer processes, like free convection in solar panels nuclear power plants, offer potential to reduce consumption improve system efficiency. Understanding elements such as magnetic fields, thermal radiation, nanoparticle morphology can optimize fluid dynamics across various domains including energy, aerospace, power. This study aims develop a two-dimensional Williamson model with ternary hybrid nanofluids gyrotactic microorganisms deepen our understanding of transfer. Methodological enhancements include integrating viscous dissipation formulations adopting the Rosseland approximation address radiation effects accurately. By leveraging non-similarity transformations, equations are rendered nondimensional for efficient numerical solutions using MAT LAB. Graphical overviews tables aid comprehending key factors practical applications engineering analyses.

Language: Английский

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Triple solutions for unsteady stagnation flow of tri-hybrid nanofluid with heat generation/absorption in a porous medium

Case Studies in Thermal Engineering, Journal Year: 2024, Volume and Issue: 61, P. 105027 - 105027

Published: Aug. 26, 2024

Language: Английский

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Enhanced transport phenomena in Casson fluid flow over radiative moving surface: Influence of velocity and thermal slip conditions with mixed convection and chemical reaction

Modern Physics Letters B, Journal Year: 2024, Volume and Issue: unknown

Published: May 14, 2024

Researchers are interested in the non-Newtonian fluid flow with mixed convection because of its extensive use industry and manufacturing. Additionally, thermal radiation convective heat transfer is critical for transmission regulation. As a result, authors provide an in-depth study how effects on concentration temperature impact mass, heat, Casson flow. A transverse magnetic field vertical permeable stretched sheet affect fluid. Nonlinear radiation, Brownian motion, thermophoresis, velocity slip, slip all examined. The governing nonlinear partial differential equations (PDEs) can be changed into especially coupled ordinary (ODEs) right similarity transformation. We RK-45 technique Mathematica to solve system accommodate different physical attributes. data analyzed graphically. This shows that increasing free parameters [Formula: see text] improves profile. However, parameter, field, mass suction parameter lower it. Increasing text], lead higher profile, whereas have opposite. Increased shown parameters, opposite impact. Skin friction increases against reduces S M Heat Mass text].

Language: Английский

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Behaviour of effective heat transfer rate in radiating micropolar nanofluid over an expanding sheet with slip effects

Partial Differential Equations in Applied Mathematics, Journal Year: 2024, Volume and Issue: 11, P. 100851 - 100851

Published: July 30, 2024

The enhancement in the heat transfer rate is one of vital aspects nowadays for main objective various industries to get better quality as well longevity product. Not only but also areas such drug delivery, peristaltic pumping process, etc. it found that this will be benefited by utility nanofluids gives rise enhanced thermal conductivity. Therefore, present investigation leads analyse performance effective considering flow radiating micropolar nanofluid through a permeable expanding sheet embedding within medium. Precisely, consideration slip boundary conditions both velocity and profile enhances phenomena. focus study Gherasim model viscosity Hamilton-Crosser which energies properties. Shooting based "Runge-Kutta fourth-order" technique useful solution governing equation followed transformation these equations into dimensional form non-dimensional with help suitable similarity rules. Further, robust statistical approach i.e. "response surface methodology" adopted optimized factors two different injection suction. However, validation presented hypothetical test comparing variances. Moreover, important outcomes are: Nanoparticle concentration encourages properties along transport energy due radiation accelerates transmission case suction/injection.

Language: Английский

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A computational framework to explore the impact of heat generation and activation energy on Marangoni convective stagnation point flow of ternary hybrid nanofluid

Advances in Mechanical Engineering, Journal Year: 2024, Volume and Issue: 16(12)

Published: Dec. 1, 2024

This paper investigates the influence of viscous dissipation on stagnation point flow THNF (trihybrid nanofluid) in existence Marangoni convection and an activation energy. Also, impact heat generation magnetic field are taken into account. Copper oxide [Formula: see text], magnesium titanium dioxide text] nanoparticles immersed water make up ternary hybrid nanofluid. It can be utilized sophisticated electronic device cooling systems. concept has additional applications biomedical engineering, including targeted drug delivery systems, where precise effective therapeutic agent transportation achieved by regulated fluid flow. also finds use design lab-on-a-chip technologies microfluidic devices, a microscale understanding behavior is crucial. A set non-linear ODEs (ordinary differential equations) been generated from problem’s governing equations similarity techniques. The consequent quantitatively solved using shooting method. technique based Bvp4c used to derive numerical solutions. An upsurge parameter results improvements velocity profile, rate mass, transmission but decline thermal concentration profiles.

Language: Английский

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Artificial neural network approach to simulate the impact of concentration in optimizing heat transfer rate on water-based hybrid nanofluid under slip conditions: A regression analysis

Numerical Heat Transfer Part B Fundamentals, Journal Year: 2024, Volume and Issue: unknown, P. 1 - 23

Published: April 1, 2024

The recent era of science depends upon the efficient performance heat transfer rate in several engineering applications for which role nanofluids have a greater impact. Therefore, impact particle concentration optimizing analysis water-based hybrid nanofluid is conducted via an artificial neural network. combined effect oxide nanoparticles such as MgO and TiO2 water performs their effective with various factors involved flow phenomena. magnetized over expanding surface filled porous material shows its noble behavior on properties. Further, it not usual to omit effectiveness dissipative viscous, Joule, Darcy dissipation incorporated energy profile profiles became coupled. designed nonlinear model invokes suitable similarity rules that give rise system ordinary equations non-dimensional form. Afterwards, traditional numerical approach beneficial conduct simulation profiles. optimization obtained by implementation network (ANN) response Nusselt number using factors. regression embedding data proposed this discussion. study describes important outcomes as; increasing slip produces thinning bounding thickness case pure fluid comparing nanofluid. set used fitting than

Language: Английский

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Application of design of experiments for single-attribute optimization using response surface methodology for flow over non-linear curved stretching sheet

Alexandria Engineering Journal, Journal Year: 2024, Volume and Issue: 100, P. 246 - 259

Published: May 22, 2024

Optimizing the heat transmission rate of flow through statistically designed chain experiments has major applications in product designing and improvising. Here, statistic design is framed by implementing response surface optimization methodology to contemplate dual non-Newtonian fluids allowed over non-linear stretched geometry. The fluid model under Cattaneo-Christov diffusion theory a magnetized-radiative surface. boundary condition enriched with slip regime Newtonian heating. Numerical computations are acquired employing shooting technique approach association Runge-Kutta Fehlberg numerical scheme. Statistical consequences disclose that stretching index causes depletion velocity temperature. When Eckert number generating parameter both large, transfer also large. Mass transport lowest for higher ratios coefficients. 0.265365 maximum possible attained 8th experimental run key elements: number, source radiation parameter. critical point claimed Pareto chart shows slightest manipulation rate, whereas have almost similar influences on response.

Language: Английский

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