Water thermal enhancement in a porous medium via a suspension of hybrid nanoparticles: MHD mixed convective Falkner's-Skan flow case study

Case Studies in Thermal Engineering, Journal Year: 2023, Volume and Issue: 47, P. 103062 - 103062

Published: May 11, 2023

Keeping in mind the whispered applications of Falkner's-Skan Flows, present hydrothermal scrutinization intended to explore two-dimensional flow pattern and thermal characteristics featuring steady mixed convective motion a radiating homogeneous hybrid nanofluidic mixture (Ag+TiO2)−H2O (i.e., aquatic containing spherical silver titanium dioxide nanoparticles) over non-movable wedge surface. By combining Darcy's-Brinkman single-phase models, conservation equations are stated properly case where impacts specific variable heat magnetic sources taken into account effectively problem. After many simplifications rearrangements, derived boundary layer handled numerically with help robust iterative GDQM-NRT algorithm, whose accurate results presented graphically tabularly. As main findings, it is evidenced that buoyancy forces, as well Lorentz's Darcy's act assisting factors, which exert cooling impact throughout due imposed axial pressure gradient. Energetically, demonstrated nanoparticles play noteworthy role enhancement transfer rate at surface strengthening resulting viscous drag forces.

Language: Английский

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An Innovative Methodology in Scrutinizing the Nonlinear Instability of Two Immiscible MHD Viscoelastic Liquids

Mathematics and Computers in Simulation, Journal Year: 2025, Volume and Issue: unknown

Published: March 1, 2025

Language: Английский

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Heat transfer analysis in a longitudinal porous trapezoidal fin by non-Fourier heat conduction model: An application of artificial neural network with Levenberg–Marquardt approach

Case Studies in Thermal Engineering, Journal Year: 2023, Volume and Issue: 49, P. 103265 - 103265

Published: July 8, 2023

Thermal critical issues commonly occur in advanced electrical devices as a response to excessive heat generation or loss efficient surface area for exclusion. This issue can be addressed by utilizing the extended improve transfer performance of devices. Thus, present analysis is devoted scrutinizing non-Fourier unsteady transference trapezoidal porous fin. Levenberg–Marquardt technique backpropagation artificial neural network (LMT-BANN) employed here analyze thermal variation The developed governing equation hyperbolic conduction (HHCE), which transformed into dimensionless partial differential (PDE) using variables. LMT-BANN on numerical data and trace approximation fin problem methodology that includes testing, training, validation. A graphical visualization consequences variables temperature field presented. notable evidence this study reveals magnitude convection factor increases, dissipation through gradually decreases. Further, has been determined an effective, reliable, rapidly convergent stochastic computational solver used effectively examining model.

Language: Английский

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Oblique rotational dynamics of chemically reacting tri-hybridized nanofluids over a suddenly moved plate subject to Hall and ion slip currents, Newtonian heating and mass fluxes

Journal of the Indian Chemical Society, Journal Year: 2023, Volume and Issue: 100(4), P. 100983 - 100983

Published: March 24, 2023

Language: Английский

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MHD peristaltic flow of chemically reactive casson nanofluid in a nonuniform porous inclined flexible channel with cross-diffusion effects

International Journal of Modern Physics B, Journal Year: 2023, Volume and Issue: 37(25)

Published: July 27, 2023

This model is designed to provide clarity on how blood travels through tiny veins in physiological systems with heat and mass transfer characteristics. Further, the purpose of this paper examine Ohmic heating source/sink effects peristaltic transport radiative Casson nanofluid a nonuniform porous inclined channel presence normal/inclined magnetic field. We also considered sway chemical reaction, Soret Dufour effects. The momentum, temperature equations for fluid are obtained utilization lubrication approach. exact solutions have been acquired stream function axial velocity. concentration solved numerically by using R–K based shooting method. tabulated Nusselt Sherwood numbers various relevant parameters. Finally, impacts all major factors physical properties flow both normal fields explored discussed depth graphs. velocity more an field than parameter boosts trapped bolus size. improves but opposite trend observed concentration. Moreover, findings validated existing works some special circumstances.

Language: Английский

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Theoretical investigation of heat transfer analysis in Ellis nanofluid flow through the divergent channel

Case Studies in Thermal Engineering, Journal Year: 2023, Volume and Issue: 48, P. 103140 - 103140

Published: June 8, 2023

Nanofluid flow with heat transfer is investigated in this article. Ellis fluid model of non-Newtonian features treated as physiological a complex divergent wavy channel. Thermophysical properties blood and gold are used to form the nanofluid. The single-phase taken into account for mathematical formulation nano-suspension. Long wavelength approximation assumption low Reynolds number applied obtain governing differential equations mass transfer. A closed-form solution achieved by following some cumbersome manipulations. Poisson–Boltzmann equation incorporated derive anelectrochemical potential ions electro-osmotic (EOF). Numerical data has also been computed against most prominent contributors found be complete adherence existing literature limiting case. It inferred from visual graphics that convection nanofluid rises initially due flexibility channel additional introduction nano species up 20%. However, case vice versa region 11) outpaced conduction produced viscous dissipation domain. Heat rate diminishes which results cooling-effects on system. Enlarge boluses resulting parameters (UHS=3) indicate strong resistive forces.

Language: Английский

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Role of Nanofluid and Hybrid Nanofluid for Enhancing Thermal Conductivity towards Exponentially Stretching Curve with Modified Fourier Law Inspired by Melting Heat Effect

Mathematics, Journal Year: 2023, Volume and Issue: 11(5), P. 1170 - 1170

Published: Feb. 27, 2023

The intensive of this study is to examine the melting heat and second-order slip (SoS) effect at boundary in nanofluid hybrid (HN) ethylene–glycol (EG) based fluid through a curved surface using Modified Fourier Law (MFL) dust particles. Considering similarity transformation, PDEs are converted ODEs then solved numerically by finite element method (FEM). effects solid volume fraction (SVF), factor, curvature first particle concentration mass factor on velocity field, phase (DPV), temperature (DPT), Ski Friction (SF) investigated graphs tables. thermophysical properties HN depicted novelty present work investigate dusty- dusty-hybrid nanoliquids over with MFL which has not yet been studied. In limiting case, compared published good correlation found. confirmation mathematical model error estimations computed.

Language: Английский

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Numerical stability of magnetized Williamson nanofluid over a stretching/shrinking sheet with velocity and thermal slips effect

Numerical Heat Transfer Part B Fundamentals, Journal Year: 2024, Volume and Issue: unknown, P. 1 - 21

Published: March 4, 2024

A numerical investigation is carried out on multiple solutions over a stretching/stretching sheet to examine the influence of thermal radiation, Lorentz force, velocity, and slips Williamson nanofluid. Nanofluids have significant applications owing their potential properties versatility. The Navier-Stokes equations are converted in terms PDEs, which then altered ODEs through suitable transformations. novelty current study investigate stability nanofluid with Prandtl effect sheets. results obtained by using Runge-Kutta order 4th-method. analysis observes two branches (dual solutions) for different parameters due shrinking phenomena. Due non-uniqueness solutions, implemented, it observed that upper branch (first solution) trustworthy. Dual exist state (λ1c≤λ1≤−0.4578), single exists when λ1>−0.4578, no λ1≤λ1c. findings demonstrate as heat improved, boundary layer thickness declines. Furthermore, present reveals parameter enhanced, dual concentration temperature profiles also increased. validation published work excellent agreement established.

Language: Английский

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Modeling and simulation of Cattaneo-Christov fluxes in entropy induced flow through Reiner-Rivlin fluid conveying tiny particles

Alexandria Engineering Journal, Journal Year: 2023, Volume and Issue: 74, P. 1 - 19

Published: May 17, 2023

Hydromagnetic mixed convective flow obeying constitutive relations of Reiner-Rivlin conveying tiny particles is addressed. Flow by stretching cylinder modeled. Analysis has been carried out in presence an applied magnetic field. Formulation based upon fluxes Cattaneo-Christov relation. Thermal expression comprises viscous dissipation and Ohmic heating. Buongiorno model utilized to explore nanoliquid significance. Physical illustration entropy rate incorporated. Governing expressions are reduced non-dimensional system. Solutions development optimal homotopy analysis approach (OHAM) arranged. Graphical description for various influential variables organized. Clearly velocity curvature enhanced. Magnetic field reverse impact on temperature. relaxation time variable upsurges thermal Decrease concentration occurs through Schmidt number. Brinkman number augments the rate. Opposite characteristics observed temperature difference variables. detected against random motion variable. Increase thermophoresis

Language: Английский

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Influence of heat generation/absorption on mixed convection flow field with porous matrix in a vertical channel

Case Studies in Thermal Engineering, Journal Year: 2023, Volume and Issue: 47, P. 103049 - 103049

Published: May 17, 2023

The effect of heat and mass transfer on mixed convection flow field with porous matrix in a vertical channel has investigated analytically. analytical solutions the coupled nonlinear differential equations are obtained for velocity, temperatures concentrations showed graphically. results analytically by using regular perturbation method considered to be favorable as no such investigations performed previously. governing have been made smaller than Non-linear ordinary means parameters. Investigations carried out characteristics different values Grashof number, Reynolds Brinkman generation/absorption parameter parameter. It is found that an increases number cause buoyancy increase, which turn causes fluid generation absorption increase.

Language: Английский

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