Influence of quadratic thermal radiation and activation energy impacts over oblique stagnation point hybrid nanofluid flow across a cylinder

Case Studies in Thermal Engineering, Journal Year: 2024, Volume and Issue: 60, P. 104624 - 104624

Published: May 31, 2024

Quadratic thermal radiation is a fundamental term within the field of radiative heat transfer, which pertains to interaction radiation. It encompasses quadratic correlation between temperature and qualities. Although linear more prevalent in numerous everyday applications, non-linear important some situations, particularly where precise representation transfer required. The phenomenon assumes crucial function contexts that need enhanced accuracy modeling transfer. In view this, present investigation carried out examine hybrid nanofluid flow across cylinder under influence quadratic, nonlinear activation energy. governing system differential equations transformed into ordinary via similarity transformations. current study presents results utilizing shooting Runge-Kutta Fehlberg 45 numerical scheme. outcomes show curvature constraint will improve all three profiles while solid fraction decreases velocity raises other two profiles. shows less distribution, followed by cases. rate distribution improves 0.60% for case, 0.52% case 0.656% from nanofluid. Further, mass 0.068% improvement provide useful insights may be used enhance efficiency various including but not limited mechanics fluids, chemical technology, administration.

Language: Английский

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Computational analysis of water-based silver, copper, and alumina hybrid nanoparticles over a stretchable sheet embedded in a porous medium with thermophoretic particle deposition effects

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

Published: Jan. 1, 2024

Abstract The present study scrutinizes the significance of heat source/sink (HSS), thermophoretic particle deposition, and porous media on time-dependent ternary nanofluid stream across a stretchable surface in presence Newtonian heating (NH) common wall temperature (CWT) cases. governing equations investigated model are changed into ordinary differential by using suitable similarity transformations. resultant dimensionless solved Laguerre polynomial collocation method. For comparison, Runge Kutta Fehlberg’s fourth-fifth order (RKF-45) method is employed. Graphs used to illustrate significant parameters’ impacts each profile, relevant physical quantities such as Sherwood number, skin friction, Nusselt number exhibited. reveals that velocity profile drops with an increase permeable parameters. thermal increases improvement HSS constraints. concentration diminishes value parameter rises. better solid volume fraction values, rate dispersal lower NH case associated CWT case. Additionally, distribution enhanced approximately 2.90% drag force, 4.73% 2.27% case, mass transfer 2.99% when transitioning from hybrid (normal) nanofluid. results will help exchangers, management, chemical engineering, biomedical instruments, design optimization electronic equipment.

Language: Английский

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Neural network algorithms of a curved riga sensor in a ternary hybrid nanofluid with chemical reaction and Arrhenius kinetics

Journal of Radiation Research and Applied Sciences, Journal Year: 2024, Volume and Issue: 17(4), P. 101078 - 101078

Published: Aug. 17, 2024

Language: Английский

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Exact solutions for nanoparticle aggregation and porous medium effects over a stretching surface

Multiscale and Multidisciplinary Modeling Experiments and Design, Journal Year: 2025, Volume and Issue: 8(2)

Published: Jan. 9, 2025

Language: Английский

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Rheology of Bingham viscoplastic flow triggered by a rotating and radially stretching disk

International Journal of Numerical Methods for Heat &amp Fluid Flow, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 13, 2025

Purpose This study aims to investigate the flow and heat transfer characteristics of a Bingham viscoplastic fluid subjected combined effects axial rotation radial stretching circular disk. Building upon existing models for fluids on stationary walls, we extend formulation incorporate linearly disk using von Kármán similarity transformations. Design/methodology/approach The resulting system nonlinear ordinary differential equations is solved characterize thermal fields. Three dimensionless parameters govern momentum layer: swirling number capturing balance between stretching, characterizing fluid’s yield stress modified Reynolds incorporating stretching. Prandtl controls response. Findings For purely flows, two-dimensional structure emerges. However, introduction induces three-dimensional behavior. Unlike previous studies suggesting that moderate numbers are sufficient non-Newtonian revolving disks, findings indicate significantly higher stresses required observe under conditions. difference can be attributed enhancing influence wall movement dynamics. At high numbers, two-layer develops, comprising an unyielded plug region above yielded shear layer adjacent wall. viscous pump mechanism drives within this regime. Originality/value Physical quantities such as drag force due stress, torque from tangential Nusselt extracted quantitative data.

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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Mathematical modeling of carboxymethyl cellulose water-based hybrid nanofluid flow between rotating disk and stationary cone

Numerical Heat Transfer Part A Applications, Journal Year: 2024, Volume and Issue: unknown, P. 1 - 16

Published: March 20, 2024

The fascinating thermal behavior of nanofluids and their many applications in heat transfer systems have gained the curiosity researchers from different fields. A cellulose derivative called carboxymethyl (CMC) is frequently utilized due to its high viscosity. thermophoresis Brownian motion impact study three-dimensional flow a water-based hybrid nanofluid-containing CMC as base fluid over gap between cone disk. titanium dioxide alloy are two nanoparticles employed this study. Additionally, modeling takes radiation into account. It presumed that cone–disk equipment consists rotating disk stationary cone. Using similarity transformations, equations converted ordinary differential (ODEs). Runge–Kutta Fehlberg fourth- fifth-order (RKF-45) technique used solve reduced ODEs. graphs explore profiles. results demonstrate at higher levels parameter exhibits better-quality transmission. velocity profile inclined by upsurge value Reynolds number based on rise upsurges concentration profile. rises declines for growth values.

Language: Английский

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Stacking regression model approach to mixed convection flow of ternary- nanofluid over slanted surface with magnetic field, waste discharge concentration, and joule heating effects

International Journal of Thermofluids, Journal Year: 2024, Volume and Issue: 23, P. 100731 - 100731

Published: June 12, 2024

The current work is carried out to investigate the mixed convection flow behavior of ternary-based nanofluid over an inclined surface in presence a magnetic field, waste discharge concentration, and joule heating effects. governing equations with proper assumptions were converted into ordinary differential (ODEs) form by implementing suitable similarity constraints solved Runge Kutta Fehlberg 4th 5th order shooting scheme. stacking regression model approach implemented along technique. obtained outcomes are presented graphs, correctness assessed using combination Gaussian Process Regression (GPR), Extra Tree (ETR), Random Forest (RF). consistency stability demonstrated closely linked testing training data. study show that rise constraint will improve velocity profile while improved values local pollutant external source variation parameters enhance concentration profile. Enhancement Eckart number solid volume fraction rate thermal distribution. Ternary shows significant improvement than nanofluid. drag force increased about 8 %-9 % assisting case %-17 for opposing different parameter, distribution from 75.54 11.55 16.87 25.70 Eckert number. study's results might contribute advancement more effective heat exchangers cooling systems electronics engines. Exploration extraction oil, as well creation efficient water purification systems.

Language: Английский

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Influence of nanoparticles and slip constraints on convective flow over a rotating cone with thermal radiation and porous media: insights into industrial cooling systems

Journal of Thermal Analysis and Calorimetry, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 16, 2025

Language: Английский

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Entropy optimization and heat transfer in thin film flow of electromagnetic micropolar nanofluid using Maxwell–Bruggeman and Krieger–Dougherty models

Alexandria Engineering Journal, Journal Year: 2024, Volume and Issue: 106, P. 71 - 86

Published: July 9, 2024

Language: Английский

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