Analysis of the Thomson and Troian velocity slip for the flow of ternary nanofluid past a stretching sheet

Scientific Reports, Journal Year: 2023, Volume and Issue: 13(1)

Published: Feb. 9, 2023

In this article, the flow of ternary nanofluid is analysed past a stretching sheet subjected to Thomson and Troian slip condition along with temperature jump. The formed by suspending three different types nanoparticles namely [Formula: see text] into water which acts as base fluid leads motion nanoparticles. high thermal conductivity chemical stability silver was main cause for its suspension third nanoparticle hybrid text]. Thus, forming assumed be vertically where gravitational force will have impact in form free convection. Furthermore, presence radiation heat source/sink so that energy equation thus similar most real life applications. assumption mentioned here mathematical model framed using partial differential equations (PDE) are further transformed ordinary (ODE) suitable similarity transformations. obtained system solved incorporating RKF-45 numerical technique. results indicated increase enhanced due density, velocity reduced. decreased speed while observed increasing.

Language: Английский

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Heat and mass transport analysis in radiative time dependent flow in the presence of Ohmic heating and chemical reaction, viscous dissipation: An entropy modeling

Case Studies in Thermal Engineering, Journal Year: 2023, Volume and Issue: 42, P. 102722 - 102722

Published: Jan. 10, 2023

Objective here is to analyze unsteady flow of viscous liquid subject an induced magnetic field. The controlled through uniform suction. Thermal equation deliberated with dissipation, Ohmic heating, radiation and entropy rate are discussed in thermodynamical system. Binary chemical reaction also addressed. Here our prime focus scrutinize the thermal transformation production analyses. Nonlinear differential systems obtained suitable transformations. Resulting then numerically solved by finite difference technique. Influence field field, rate, concentration velocity against pertinent variables An improvement suction variable leads augments Reverse impact for fields observed variable. Computational outcomes temperature gradient solutal transport examined. Larger Prandtl number rises fields. Higher approximation intensifies rate. decays concentration. High found number. corresponds amplifies temperature.

Language: Английский

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Computational assessment of hybrid nanofluid flow with the influence of hall current and chemical reaction over a slender stretching surface

Alexandria Engineering Journal, Journal Year: 2022, Volume and Issue: 61(12), P. 10319 - 10331

Published: April 7, 2022

The current study addresses the flow of steady electrically conducting hybrid nanofluid (HNF) across an impermeable slender stretchable sheet. distribution takes into consideration effects variable magnetic fields, heat production, Hall and chemical reactions. A computational model is established for purpose to amplify energy communication rate enhance productivity performance thermal propagation several industrial biological purposes. comprised silver magnesium oxide nanomaterials in working fluid water. Among transition metals alloys, nanoparticles (NPs) have been extensively documented broad-spectrum antibacterial properties. Silver NPs are most employed inorganic NP, having applications biomaterial detection actions. scenario has expressed as a system PDEs. Which simplified ODEs through similarity replacements. computing approach PCM used subsequently evaluate acquired 1st order differential equations. outcomes checked with bvp4c package existing literature consistency validity. It noticed that axial velocity profile enhances effect m power index constraint n, while reducing variation volume friction ϕ1,ϕ2 sheet wall thickness parameter δ.

Language: Английский

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Hybrid-nanofluid magneto-convective flow and porous media contribution to entropy generation

International Journal of Numerical Methods for Heat &amp Fluid Flow, Journal Year: 2024, Volume and Issue: 34(2), P. 809 - 836

Published: Jan. 4, 2024

Abstract Purpose This paper aims to present a numerical study that investigates the flow of MgO-Al2O3/water hybrid nanofluid inside porous elliptical-shaped cavity, in which we aim examine performance this thermal system when exposed magnetic field via heat transfer features and entropy generation. Design/methodology/approach The configuration consists out layered by cold ellipse while it surrounds non-square heated obstacle; structure is under influence horizontal field. problem implemented COMSOL multiphysics, solves related equations described "Darcy-Forchheimer-Brinkman" model through finite element method. Findings results illustrated as streamlines, isotherms average Nusselt number, along with production, are given functions of: volume fraction, shape factor assess behaviour properties nanoparticles. Darcy number porosity designate impact enclosure, finally strength induction Hartmann number. outcomes show increased pattern dynamical augmenting concentration, factor, number; however, also engenders formations irreversibilities were revealed enhance permeability great nanofluid. Nevertheless, enhanced shown degrade strong values, reduced both viscous entropies. Therefore, advised minimize promote better exchange. Originality/value investigation nanofluids an important topic research practical implications for design optimization systems. study's findings can help improve efficiency these systems, well contribute development sustainable energy technologies. offers intriguing approach evaluates growth unusual several parameters, has potential transform our understanding complicated fluid dynamics thermodynamic processes, at end obtain best possible.

Language: Английский

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Designing a solid–fluid interface layer and artificial neural network in a nanofluid flow due to rotating rough and porous disk

Journal of Thermal Analysis and Calorimetry, Journal Year: 2023, Volume and Issue: 149(2), P. 867 - 878

Published: Nov. 21, 2023

Language: Английский

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Solar water-pump thermal analysis utilizing copper–gold/engine oil hybrid nanofluid flowing in parabolic trough solar collector: Thermal case study

Case Studies in Thermal Engineering, Journal Year: 2022, Volume and Issue: 30, P. 101756 - 101756

Published: Jan. 4, 2022

Solar energy is the major thermal source from sun, and it widely employed in technologies such as solar water pumps photovoltaic cells. The examination of radiation technology required to properly use performance (SWP). utilization hybrid nanofluid with parabolic trough surface collector (PTSC) within SWP has been developed evaluate heat transmission efficacy. recognized cause heat. transferal investigated presence numerous influences viscous dissipation, source, radiation. entropy analysis for Oldroyd-B fluid also evaluated. well-known Keller-box technique was used solve modeled momentum equations. Various characteristics, speed, shear stress temperature, drag, Nusselt numbers, are given brief terms figures tables. In conductivity on efficiency improves. comparison basic nanofluids, nanofluids provide greatest transfer. Au–Cu/EO increased than Cu-EO, between 22.44% 35.01%.

Language: Английский

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Micro-polar nanofluid in the presence of thermophoresis, hall currents, and Brownian motion in a rotating system

Modern Physics Letters B, Journal Year: 2023, Volume and Issue: 37(01)

Published: Jan. 10, 2023

This study examined a rotating system by micro-polar nanofluid between two parallel plates in the presence of magnetic and electric fields. The flow has been performed steady-state. governing equations present problem are transformed into nonlinear coupled with appropriate similarity variables. impacts Nusselt number, skin friction, Sherwood number on temperature, velocity, concentration distribution have discussed. research mainly investigated effects rotation, Brownian motion, thermophoresis analysis, Hall current nanofluid. Results demonstrate for weak [Formula: see text] strong text], that (Nu) increased higher value decreased when Sc increased. Also, increasing numbers, temperature profile is text]. In addition, at velocity text]-direction because fluid motion fast ionization, parameter raised text]-direction. There was decrease micro-rotation profile. Our results show method used very efficient practical solving this category equations, solution higher-order differential engineering consistent. comparing obtained previous results, values differ about 6%.

Language: Английский

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A novel model of non-linear radiative Williamson nanofluid flow along a vertical wavy cone in the presence of gyrotactic microorganisms

International Journal of Modelling and Simulation, Journal Year: 2023, Volume and Issue: unknown, P. 1 - 15

Published: Feb. 23, 2023

A novel mathematical technique for an unsteady bioconvective flow of Williamson nanofluids over a vertical wavy cone in the presence non-linear radiation and viscous dissipation impacts is investigated. The surface described by sinusoidal function while components extra stress tensor are presented terms dynamic viscosity. irregular referred to convective boundary conditions nanoparticle passively controls conditions. governing equations general forms then condition GrL→∞ suitable transformations used map regular domain. fully implicit finite differences method (FDM) applied solve converted system wide ranges independent variables assumed. 0≤X≤7,0≤Y≤25. major outcomes disclosed that increase number We causes reduction nanofluid skin friction coefficient rising. Further, there enhancement values Nusselt up 75% obtained as Biot Bi altered from 0.1 0.4. Also, radiations recommended enhance velocity, temperature rate heat transfer.

Language: Английский

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Impact of solid–liquid interfacial layer in the nanofluid flow between stretching stationary disk and a rotating cone

Tribology International, Journal Year: 2023, Volume and Issue: 192, P. 109187 - 109187

Published: Dec. 12, 2023

Language: Английский

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Analysis of unsteady MHD fluid flow across two parallel discs with uniform fluctuation subject to modified Hall and activation energy

International Journal of Modern Physics B, Journal Year: 2024, Volume and Issue: 38(31)

Published: Jan. 22, 2024

This study intends to examine the consequences of externally applied magnetic field and modified Hall effect on nanofluid flow across two symmetrically spinning extending discs, where continuously upper disc moves upward downward. The lower is vertically fixed. discs rotate move vertically, generating a 3D flow. mass density, heat transfer motion have been evaluated modeled in form system partial differential equations (PDEs) with an additional influence activation energy, source chemical reaction. PDEs ordinary set by employing resemblance substitution method. obtained ODEs further solved through numerical approach (bvp4c). results are compared bvp4c package published work for validity purposes. In case downward displacement disc, characteristics significant impact velocity curve. energy curve elevates movement while it reduces fluctuation. Furthermore, transmission rate enhances hall current, diminishing reaction rate.

Language: Английский

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