Diversified characteristics of the dissipative heat on the radiative micropolar hybrid nanofluid over a wedged surface: Gauss-Lobatto IIIA numerical approach

Alexandria Engineering Journal, Journal Year: 2024, Volume and Issue: 106, P. 448 - 459

Published: Aug. 24, 2024

Language: Английский

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Significance of shape factor on magnetohydrodynamic buoyancy thin film flow of nanofluid over inclined sheet with slip condition: Irreversibility analysis

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

Published: April 5, 2024

This work aims to examine the entropy production, heat transport, and dynamics of unsteady thin film magnetohydrodynamic (MHD) flow a nanofluid composed alumina (Al 2 O 3 ) water. The fluid is seen pass over an inclined sheet, taking into account effects buoyancy force, viscous dissipation, joule heating. system partial differential equations (PDEs) optimized under boundary layer assumptions. Appropriate transformations are used convert governing conditions dimensionless forms. Using MATLAB’s bvp4c code local non-similarity technique with up second-degree truncation, we can obtain findings enhanced model. effect multi-shape Al nanoparticles on flow, heat, entropy-generating features also investigated after calculated results have been successfully aligned published data. Mixed convection, nanoparticle volume percent, inclination angle, magnetic field intensity, mass suction, Eckert number, Biot number only few parameters whose graphically shown for selected values. As result, Nusselt skin friction coefficient may be calculated. profiles exhibit decreasing trend as values fraction ([Formula: see text]) [Formula: text] unsteadiness (A) increase toward mixed convection text]). On other hand, profile increases increasing suction parameter generation Bejan show upsurge Brinkman (Br) increase. Conversely, reduces in temperature difference increases.

Language: Английский

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Cattano Christov double diffusion model for third grade nanofluid flow over a stretching Riga plate with entropy generation analysis

Heliyon, Journal Year: 2024, Volume and Issue: 10(10), P. e30188 - e30188

Published: May 1, 2024

The current investigation delves into the convective heat and mass transfer characteristics of third-grade radiative nanofluid flow within a porous medium over Riga plate configuration. structure incorporates magnets electrodes strategically arranged on surface. To enhance accuracy energy concentration expressions fluid flow, Cattano Christov Double Diffusion model is employed. Entropy generation analysis conducted by applying second law thermodynamics, Darcy's employed to characterize behavior medium. Appropriate similarity transformations have been used convert partial differential equations monitoring dimensionless ordinary equations. Galerkin weighted residual method resolve these numerically. findings contain detailed explanations how relevant factors affect temperature field, velocity entropy generation, Bejan number, in addition graphic representations results. indicate that medium's porosity Brinkman number promote generation. production affected thermal radiation parameter, which first rises then declines after certain distance.

Language: Английский

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Heat transfer in radiative hybrid nanofluids over moving sheet with porous media and slip conditions: Numerical analysis of variable viscosity and thermal conductivity

Materials Today Communications, Journal Year: 2024, Volume and Issue: 40, P. 109664 - 109664

Published: June 29, 2024

Language: Английский

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Optimization of heat transfer in bi-directional flow of sodium alginate-based ternary hybrid nanofluid over an extending heated surface with velocity slip conditions

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

Published: Jan. 11, 2025

Language: Английский

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Impact of Rotation and Chemical Reactions on MHD Mixed Convection Flow over an Inclined Heated Porous Plate with Heat and Mass Transfer Analysis

WSEAS TRANSACTIONS ON FLUID MECHANICS, Journal Year: 2025, Volume and Issue: 20, P. 40 - 50

Published: March 4, 2025

The impact of rotation and chemical reaction are examined concerning the MHD flow incompressible, viscous, electrically conducting fluid over an inclined moving heated porous plate. It has been described how mass transfer affects mixed convection across infinite vertical perturbation approach is utilized to solve coupled partial differential equations that non-linear. Graphs have used study analyze effects various relevant parameters on concentration profile, temperature, velocity profile. These include Schmidt number (Sc), Grashof (Gr), Prandtl number(Pr), modified number(Gm), heat source (ϕ), Rotational (R), (γ), magnetic field (M) permeability parameter (K) angle inclination (α). An explanation linked transport processes given. We noticed decreases for rising value R. findings current comparison with outcome obtained by Veeresh C et al. in presence Rotational; our results seem be useful accord data already available.

Language: Английский

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Thermal analysis of a viscoelastic Maxwell hybrid nanofluid with graphene and polythiophene nanoparticles: Insights from an artificial neural network model

Alexandria Engineering Journal, Journal Year: 2024, Volume and Issue: 94, P. 193 - 211

Published: March 26, 2024

The utilization of solar radiation by converting them into thermal energy is discussed in this paper. Nanoparticles improve the ability heat transfer therefore, it beneficial use systems and storage devices. novel mixture nanoparticles Graphene Polythiophene base fluid, which has high thermodynamic properties for improvement effect with electromagnetic using Maxwell fluid model discussed. Polyvinyl alcohol water taken as flowing through a moveable flat plat. governing partial differential equations are transformed ordinary equations. semi-analytical technique, homotopy analysis method used to obtain solution velocity enhanced magnetic electric field strength. increase Prandtl number, Eckert number chemical reaction parameter, exceeds produces more entropy generation enhancement. results show that hybrid nanofluid Novel highly higher rapid augmentation can be production A intelligent numerical computing technique multi-layer perceptron feed-forward back-propagation, an artificial neural networking Levenberg-Marquard algorithm model. data gathered training, validation, testing. efficiency obtained mean square error networking.

Language: Английский

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MHD rotating flow over a stretching surface: The role of viscosity and aggregation of nanoparticles

Heliyon, Journal Year: 2023, Volume and Issue: 9(11), P. e21107 - e21107

Published: Oct. 17, 2023

The magnetohydrodynamic (MHD) rotating flow that occurs across a stretching surface has numerous practical applications in variety of domains. These fields include astronomy, engineering, the material sciences, and space exploration. combined examination magnetohydrodynamics surface, taking into consideration fluctuating viscosity nanoparticle aggregation, significant ramifications several different It is essential for both growth technology attainment deeper insights complicated fluid dynamics to maintain research this field. Given aforementioned motivation, principal aim study examine effects variable on bidirectional over surface. Aggregation nanoparticles are used analysis. Titania (TiO2) taken ethylene glycol as base fluid. nonlinear ordinary differential equations boundary conditions correspond them can be transformed dimensionless form by using technique called similarity transformation. To get numerical solution equation, Runge-Kutta 4th order (RK-4) method utilized, done conjunction with shooting method. impact various leading variables velocity, coefficients temperature, skin friction local Nusselt number graphically represented. Velocity profiles direction increases increasing values φ. radiation temperature ratio parameters. When 1 % volume fraction introduced, exhibits 0.174 increase aggregation model compared regular absence effects. nanoparticles, 0.1153 x 0.1165 y Tables show variation numbers, well comparison nanoparticle's without radiation. Moreover, results obtained were previously published data, demonstrating satisfactory agreement. We firmly believe finding will have extensive implications engineering industries.

Language: Английский

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Numerical investigations on the entropy generation and heat transfer of an unsteady micropolar hybrid nanofluid flow over an inclined stretching surface

Numerical Heat Transfer Part B Fundamentals, Journal Year: 2024, Volume and Issue: unknown, P. 1 - 20

Published: March 29, 2024

Studies on stagnation point flow inclined surfaces have gained momentum in recent times due to its application a variety of fields. This study aims at the heat transfer properties an incompressible unsteady non-Newtonian micropolar hybrid nanofluid over stretching sheet with thermal radiation, viscous dissipation, and Joule heating. The governing equations problem are transformed into system ordinary differential by employing similarity variables. They then solved numerically using Runge-Kutta 4 th order method along shooting approach. Numerical solutions velocity, microrotation, temperature distribution entropy generation Bejan number consolidated graphically those rate skin friction coefficient tabulated. results indicate that is higher as compared mononanofluid, angle inclination unfavorable for velocity profile, escalates rise dissipation. Entropy reduced when Hartmann increased diminishes elevating were validated existing studies comparing values between present obtained from NDSolve.

Language: Английский

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Computational study of magnetite-ethylene glycol–water-based hybrid nanofluid dynamics on an exponential shrinking/stretching Riga surface under radiative heat flux

Colloid & Polymer Science, Journal Year: 2024, Volume and Issue: 303(1), P. 95 - 109

Published: Oct. 19, 2024

Language: Английский

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