Aspects of an induced magnetic field utilization for heat and mass transfer ferromagnetic hybrid nanofluid flow driven by pollutant concentration

Case Studies in Thermal Engineering, Journal Year: 2023, Volume and Issue: 53, P. 103892 - 103892

Published: Dec. 10, 2023

In the growing need for energy and heightened environmental considerations, effective control optimization of thermal processes transferring mass are utmost importance. Engine oil water-based nanofluids have emerged as potential solutions various industrial applications, from generation to sophisticated manufacturing. Because these demands, current work aims explore significance its research field, providing insights into crucial elements heat transport properties in presence hybrid nanofluids. This investigates impact an induced magnetic including nanoparticle circulation across a stretched surface with endo/exothermic chemical reaction concentration waste discharge effects. The acquired ordinary differential equations (ODEs) were solved using Runge Kutta Fehlberg 45 technique. findings show that engine leads effectiveness transfer, while nanofluid performs better transfer. While motor works well endothermic situation, nano liquid has noticeable effect on transfer over activation component exothermic process. Further, exhibit lower pollutant levels than when exposed local external source parameter. These results provide essential guidance choosing best given engineering problem, leading greater productivity advanced cooling systems, manufacturing, pharmaceuticals, treatment, dispersion control.

Language: Английский

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Entropy generation analysis on Darcy-Forchheimer Maxwell nanofluid flow past a porous stretching sheet with threshold Non-Fourier heat flux model and Joule heating

Case Studies in Thermal Engineering, Journal Year: 2023, Volume and Issue: 52, P. 103738 - 103738

Published: Nov. 10, 2023

This research paper inspects the flow characteristics of a magnetohydrodynamic (MHD) Maxwell nanofluid in presence Darcy-Forchheimer (DF) model applied to stretching sheet. Additionally, numerical analysis is performed evaluate findings, utilizing composed copper (Cu) suspended water. The energy equation this study incorporates thermal radiation, viscous dissipation, Cattaneo-Christov heat flux model, and joule heating. entropy generation then determined based on obtained solutions for temperature velocity, compliance with constraints. By applying suitable similarity transformations, conservative equations momentum are transformed into nonlinear ordinary differential (ODEs). To solve these equations, bvp4c method implemented through Matlab software employed. taking account pertinent like relaxation Prandtl number, magnetic parameter, time radiation others, one can analyse normalized shear stress at wall, profile, rate flux. For practical purposes, local Nusselt number skin frictions various modified values physical provides vital insights about system's behavior under settings. graphical results indicate that velocity profile exhibits decrease as volume fraction, fluid inertia coefficient parameter increase. demonstrates an increase growing Brinkman parameter. On other hand, declines increasing ratio Bejan opposite generation. Specifically, increases, decreases, vice versa.

Language: Английский

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Hydromagnetic flow of Casson nano-fluid across a stretched sheet in the presence of thermoelectric and radiation

International Journal of Thermofluids, Journal Year: 2023, Volume and Issue: 21, P. 100484 - 100484

Published: Oct. 12, 2023

This work revealed the investigation of Casson nanofluid flow's MHD (magneto-hydrodynamic) unstable boundary layer characteristics in simultaneous transmission thermoelectric and radiation on a stretched sheet. On Newtonian non-Newtonian (Casson) flows, cumulative impact thermoelectricity has been addressed. Thermal radiation, nanofluids, are pivotal engineering industry, transforming applications like heat exchangers, nuclear power plants, thermal energy storage, advanced drug delivery systems. The problem-related partial differential equations have formulated with approximation. changed into dimensionless form help appropriate variables parameters. Finite difference techniques employed to get numerical solution via FORTRAN 6.6a programming algorithm, solutions illustrated graphically support Tecplot-360 software. consequences numerous parameters investigated using variety figures, amounts various being revised. effects primary velocity, secondary temperature profiles presented discussed critical physical properties such as skin friction addition Nusselt number. combined streamlines isotherms line contour flood views. most significant finding is that collective influence impacts promotes phenomena fluid flow comparatively more than flow. For purpose creating effective procedures, forecasting patterns, guaranteeing product performance industries, it crucial explain fluids. model can also aid blood simulation risk assessment for thrombosis other cardiovascular diseases.

Language: Английский

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Empirical study for Nusselt number optimization for the flow using ANOVA and Taguchi method

Case Studies in Thermal Engineering, Journal Year: 2023, Volume and Issue: 50, P. 103505 - 103505

Published: Sept. 16, 2023

ANOVA and Taguchi is an optimization tool used to find the optimal combination achieve highest heat transmission rate for a Casson-Carreau nanofluid flow over curved surface. Exponentially generating heat, thermal radiation, Joule heating, chemical reaction along with velocity slip, Stefan blowing peripheral conditions are employed current investigation. The of mass has been analyzed using Cattaneo-Christov duplexed diffusion model. Entropy synthesis in fluid system also planned research. graphs solutions topic under consideration have compiled by called Runge-Kutta-Fehlberg scheme. According outcomes present study, when solutal relaxation parameters increased, corresponding profiles decrease. Both speed concentration panels benefit from parameter. Nusselt number falls Eckert Prandtl increase. When slip factor enhanced, slowed down, while rise second-order encourages same. method disclosed that signal-to-noise ratio attained magnetic parameter 0.7, thermophoresis 0.05, 7, 0.06, 0.05. Thus, maximum transfer obtained 2.75354. huge contribution about 93.83%, whereas least contribution, i.e., 0.03%, on transport rate.

Language: Английский

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Magnetohydrodynamic Darcy-Forchheimer flow of non-Newtonian second-grade hybrid nanofluid bounded by double-revolving disks with variable thermal conductivity: Entropy generation analysis

Hybrid Advances, Journal Year: 2024, Volume and Issue: 6, P. 100226 - 100226

Published: June 15, 2024

The study of hybrid nanofluid flow bounded by double-revolving disks is crucial due to its significant applications in enhancing heat transfer various industrial processes, including cooling systems, lubrication technologies, and energy storage systems. This manuscript presents an entropy generation analysis the magnetohydrodynamic Darcy-Forchheimer a non-Newtonian second-grade between with variable thermal conductivity. combines titanium dioxide (TiO2) cobalt ferrite (CoFe2O4) nanoparticles base fluid engine oil. Appropriate similarity transformations convert dimensional equations governing phenomena into non-dimensional form. resulting non-dimensionalized system then solved using homotopy method (HAM), semi-analytical technique. results are validated comparing them previously published work for specific case present analysis, they found be very good agreement. A comprehensive parametric conducted understand behavior physical parameters involved study. It was that there enhanced rate at both when Reynolds number nanoparticle concentration higher. also Bejan declined increasing Brinkman number.

Language: Английский

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An exploration of diffusion-thermo and radiation absorption impacts on non-Newtonian MHD flow towards two distinct geometries with biot number

Results in Engineering, Journal Year: 2024, Volume and Issue: 23, P. 102477 - 102477

Published: June 28, 2024

Temperature and liquid flow monitoring are required in many industrial applications order to maximize machine performance. When exploring polymers, fabricating synthetic films transparent materials, manufacturing metal-based equipment, frictional forces thermal rates need be controlled. The significance of the study prominent characteristics Diffusion-Thermo, Quadratic radiation absorption over a permeable stretching geometry discussed. Similarity transformations reduced boundary layer partial differential an ODE. acquired system ODEs is solved numerical-manner using MATLAB bvp4c. distributions f '(η), θ(η) φ(η) described graphical aspect, with specified governed parameters. As Diffusion thermo parameter raises, temperature field enhances. velocity enhance concentration decreases. A rise causes raise buoyancy, which turn raises rate, that this reflected profiles. temperatures nearer porous lowers concentration. Rising ratio θw values were accompanied by rising temperatures. enhancing when improving Biot parameter. skin-friction heightened raising 'n' values. Nusselt number declined, Df. Sherwood enhanced 'Sc'. An incorporation thermo, effects nano-Carreau across Wedge Cone novelty. boundary-layer wedge gets made growingly significant, not long ago, owing its practical applications, including those medical, bioengineering, crude oil extraction, nuclear power plants, polymer extrusion process, production plastic sheet, metal spinning, friction drag ship, electronic gadgets, etc. This will extended incorporating micro-polar, tangent hyperbolic, Sutterby, distinct non-Newtonian fluids.

Language: Английский

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Radiating heat effect on Powell–Eyring blood-based hybrid nanofluid over a Riga plate with thermal stratification CattaneoChristov heat flux model

Partial Differential Equations in Applied Mathematics, Journal Year: 2024, Volume and Issue: 11, P. 100769 - 100769

Published: June 15, 2024

The contemporary investigation deliberate the influence of radiating heat on flow Powell-Eyring fluid over a Riga plate subjected to thermal stratification, utilizing CattaneoChristov flux model. Additionally, insertion sources along with radiation energies study significantly. basic equations that correspond conservation principles mass, momentum, energy are formulated for fluid. model is incorporated non-Fourier effects arising due relaxation phenomena also taken into account. resulting nonlinear partial differential transmuted ordinary and numerically solved using Runge-Kutta method combined shooting approach, which reliable numerical methodology. impacts pertinent factors momentum temperature profiles scrutinized systematically. imposition these shear rate Nusselt number deployed, crucial practical applications transfer enhancement strategies. As novelty, optimization share together transmission obtained by employing innovative statistical procedure response surface methodology followed analysis variance, hypothetical test. outcomes this processes in Powell–Eyring fluids under involving stratification have potential various engineering industrial including management, materials processing, conversion devices.

Language: Английский

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Entropy analysis of Darcy-Forchheimer flow of couple-stress TiO2-CoFe2O4/engine oil based hybrid nanofluid between two rotating disks considering hall effect

Partial Differential Equations in Applied Mathematics, Journal Year: 2025, Volume and Issue: unknown, P. 101073 - 101073

Published: Jan. 1, 2025

Language: Английский

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Thermal conductivity performance in sodium alginate-based Casson nanofluid flow by a curved Riga surface

Frontiers in Materials, Journal Year: 2023, Volume and Issue: 10

Published: Aug. 17, 2023

This study examines the effects of a porous media and thermal radiation on Casson-based nano liquid movement over curved extending surface. The governing equations are simplified into system ODEs (ordinary differential equations) using appropriate similarity variables. numerical outcomes obtained shooting method Runge-Kutta Fehlbergs fourth-fifth order (RKF-45). An analysis is conducted to discuss impact significant nondimensional constraints velocity profiles. findings show that rise in curvature constraint will improve but diminish temperature. increased values modified Hartmann number raise velocity, reverse trend seen for porosity parameter values. Thermal raises temperature, while numbers Casson factor lower profile. Moreover, existence solid fractions minimizes surface drag force, fraction components enhance rate dispersion. this research may have potential applications design heat exchangers used cooling electronic devices like CPUs GPUs, as well microscale engines such microturbines micro-heat engines.

Language: Английский

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Entropy analysis of Darcy-Forchheimer flow of Reiner-Rivlin A1 ₂ O ₃ –Cu/engine oil based hybrid nanofluid between two rotating disks

Numerical Heat Transfer Part A Applications, Journal Year: 2024, Volume and Issue: unknown, P. 1 - 30

Published: Aug. 5, 2024

This paper analyzes the flow of Reiner-Rivlin hybrid nanofluid, considering magnetic field and varying thermal conductivity between two spinning disks. Appropriate similarity variables are used to transform all dimensional equations into dimensionless form. A semi-analytical homotopy analysis approach applied solve velocity profiles, temperature distribution, Nusselt number, skin friction, entropy generation, Bejan number presented graphically. Some key outcomes include that axial tangential velocities decreases when porosity parameters increase. Additionally, higher Eckert from 1 1.3, increases near center disks 1.02 1.18. The heat transfer rate goes up 10.2767 10.3043 rises 0.1 0.7. generation grows in proportion Brinkman Reynolds parameter values. research might enhance cooling, lubrication, management automotive, aerospace, biomedical industries.

Language: Английский

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