Numerical inspection of two-dimensional MHD mixed bioconvective flows of radiating Maxwell nanofluids nearby a convectively heated vertical surface

Waves in Random and Complex Media, Год журнала: 2023, Номер unknown, С. 1 - 22

Опубликована: Фев. 16, 2023

The non-homogeneous aspect and dynamical feature of a radiating mixture an upper-convected Maxwell nanofluid gyrotactic motile microorganisms are revealed numerically in this investigation during its two-dimensional mixed convective motion nearby convectively heated vertical surface uniform magnetic field source. Based on relevant physical mathematical backgrounds, the conservation laws (i.e. equations continuity, momentum, heat balance, solid nanoparticles’ concentration, microorganisms’ concentration) monitoring present flow problem derived appropriately form partial differential equations. By making use specific transformations rearrangements, these converted thereafter into gigantic structure first-order ordinary executing computationally appropriate bvp4c subroutine, resulting boundary layer handled accordingly for well-defined constraints. Afterward, computing unitless characteristics velocity, temperature, skin friction coefficient, Nusselt's number, Sherwood's transfer rate) discussed exhaustively via graphical tabular illustrations. As prominent outcomes, it is demonstrated that Joule's heating effect Lorentz's forces exhibit enhancing influence mass transport phenomena within nanofluidic medium with dissimilar impact.

Язык: Английский

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Irreversibility and heat transfer analysis in MHD Darcy-Forchheimer flow of Casson hybrid nanofluid flow through cone and wedge

Numerical Heat Transfer Part A Applications, Год журнала: 2023, Номер unknown, С. 1 - 27

Опубликована: Сен. 25, 2023

AbstractThis model investigates the irreversibility and heat transfer assessment of MHD induced Darcy-Forchheimer flow Casson hybrid nanofluid through cone wedge regime. A mathematical is established to describe behavior under effects significant physical parameters. Numerical simulation has been done bvp4c solver. comparative analysis for velocity field between mono (Sodium Alginate based MoS2 nanofluid) MoS2-GO have presented. Another isotherms Cone Wedge regimes also done. In results, various key parameters like magnetic strength, fluid parameter, Forchheimer Brinkman number are taken into consideration. Findings demonstrate that term significantly affects regime.Keywords: nanofluidconeDarcy-Forchheimer flowirreversibilitymHDwedge regime Disclosure statementNo potential conflict interest was reported by author(s)Data availabilityAll data generated analyzed during this study included in article.

Язык: Английский

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Towards a novel EMHD dissipative stagnation point flow model for radiating copper-based ethylene glycol nanofluids: An unsteady two-dimensional homogeneous second-grade flow case study

Case Studies in Thermal Engineering, Год журнала: 2023, Номер 45, С. 102914 - 102914

Опубликована: Март 23, 2023

A novel EMHD dissipative second-grade nanofluid flow model is proposed exclusively in this numerical inspection for radiating copper-based ethylene glycol nanofluids to reveal the dynamical and thermal aspects of studied homogeneous mixture during its unsteady two-dimensional stagnation point towards a horizontal electromagnetic actuator. Based on admissible physical assumptions authenticated experimental correlations, governing PDEs BCs are derived appropriately problem under consideration. After numerous rearrangements non-dimensionalization treatments, resulting ODEs handled computationally with help robust GDQ algorithm parametric control several influencing factors, whose strengthening magnitudes affect probably process heat transport mechanism. In context, it proved graphically that nanoparticles' loading exhibits dissimilar impacts as compared influences diameter size. Besides, resistive effect utilized actuator reinforces thermally enhancing role radiative flux Joule's heating within nanofluidic medium.

Язык: Английский

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Solutal effects on thermal sensitivity of casson nanofluids with comparative investigations on Newtonian (water) and non-Newtonian (blood) base liquids

Alexandria Engineering Journal, Год журнала: 2023, Номер 71, С. 387 - 400

Опубликована: Март 28, 2023

In recent years nanoparticles have been widely used in medicines and pharmaceuticals because of their special mechanical, optical, electrical behaviors, which affect significantly the convective nature blood liquid. The present work studies impact on thermosolutal sensitivity non-Newtonian fluid flow numerical computations are made using as a base Binary features included formulation problem through solutal variables Casson model, respectively. An efficient simple methodology is applied to set equations an initial state solution obtained further perturbed slightly leading realistic expression Rayleigh number function thermophysical characteristics system. To capture complete essence problem, comparative study also performed by taking (non-Newtonian)/water (Newtonian) liquids for thermal/thermosolutal cases metallic/non-metallic results some key observations not yet established literature. Thermosolutal instability dominated effects makes system highly sensitive, while parameter stabilizes liquid its higher value, layer increases.

Язык: Английский

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Heat transfer assessment for Au-blood nanofluid flow in Darcy-Forchheimer porous medium using induced magnetic field and Cattaneo-Christov model

Numerical Heat Transfer Part B Fundamentals, Год журнала: 2023, Номер 84(4), С. 415 - 431

Опубликована: Май 15, 2023

Stagnation point flow defines the fluid motion near stagnation of a solid surface and has utilization in process polymer extrusion, electronic gadgets cooling, nuclear reactor, etc. Furthermore, main theme this work is to analyze heat transfer characteristics Casson nanofluid over stretching sheet using induced magnetic field Cattaneo-Christov model. The non-Newtonian model; current working consists nanoparticles Au (Gold) blood (Casson fluid). In existing model, temperature depends on distance from point. Therefore, Darcy-Forchheimer porous model incorporated. solution coupled nonlinear PDEs obtained by bvp4c. Au-blood based are discussed graphically. dual behavior observed profiles with increase value reciprocal Prandtl number, however velocity outlines declined. A comparison presented previous article found be good agreement.

Язык: Английский

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The significant role of Darcy–Forchheimer and thermal radiation on Casson fluid flow subject to stretching surface: A case study of dusty fluid

Modern Physics Letters B, Год журнала: 2023, Номер 38(06)

Опубликована: Сен. 22, 2023

This paper addresses the problem of steady two-dimensional magnetohydrodynamics (MHD) migration dusty fluid across a stretching sheet with inclusion Darcy–Forchheimer porosity and Brownian dispersion. The most significant aspect ongoing is elaborating entire context phases. governing partial differential equations (PDEs) are transmuted into non-dimensional ordinary (ODEs) by implementing similarity transformations. MATLAB script has used bvp4c strategy to accumulate visualization computational observations. Also, this study illustrates an assessment effects parameters on non-Newtonian fluids phase. It observed that thermal boundary layer enhanced increasing strength mass concentration granules ([Formula: see text]) Eckert number (Ec) for both scenarios, while in case interaction temperature parameter scenario opposite Moreover, heat transfer rate intensifies effect radiation, magnetic field. variations various physical quantities represented through tabular graphs.

Язык: Английский

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A passive control approach for simulating thermally enhanced Jeffery nanofluid flows nearby a sucked impermeable surface subjected to buoyancy and Lorentz forces

Case Studies in Thermal Engineering, Год журнала: 2023, Номер 47, С. 103106 - 103106

Опубликована: Май 29, 2023

Owing to the latest progression in rheology of non-homogeneous composite media, viscoelastic materials have nowadays gained outstanding interest from experimenters because their practical uses different scientific areas (e.g., lubrication processing, blood vascular systems, polymer treatment, and petrochemical industry). Keeping mind these vital applications, a realistic passive control approach has been applied this numerical scrutinization explore aspects radiating nanofluids during MHD mixed convective flows nearby sucked impermeable surface existence an exponentially lessening heat generation. By invoking constitutive rheological equations Jeffery's model including mass transport contribution along with thermophoresis Brownian diffusive mechanisms, mathematical formulation flow derived properly under boundary layer assumptions. After specific treatment resulting equations, several tabular graphical demonstrations drawn accordingly. In respect, it is demonstrated that Deborah's numbers exhibit dissimilar behaviors toward nanofluid motion phenomena. As important findings, noticed heating radiative transfer mechanisms enhance considerably exchange rate slight weakening drag forces at vertical surface. Whilst, suction process shows advantageous impact on quantities feeble perturbation temperature nanoparticles concentration.

Язык: Английский

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Recent developments in the application of ferrofluids with an emphasis on thermal performance and energy harvesting

Journal of Magnetism and Magnetic Materials, Год журнала: 2023, Номер 587, С. 171311 - 171311

Опубликована: Окт. 5, 2023

Язык: Английский

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Thermal flow of dust particulates-laden fluid in a slanted channel subject to magnetic force, radiant heat flux, and slip and periodic thermal conditions

Computational Particle Mechanics, Год журнала: 2024, Номер unknown

Опубликована: Май 4, 2024

Язык: Английский

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Elastic deformation effect on carboxymethyl cellulose water-based (TiO ₂ –Ti ₆ Al ₄ V) hybrid nanoliquid over a stretching sheet with an induced magnetic field

Numerical Heat Transfer Part A Applications, Год журнала: 2023, Номер 84(11), С. 1401 - 1415

Опубликована: Март 21, 2023

An analysis is carried out to study the two-dimensional stagnant point flow of titanium dioxide (TiO2)-titanium alloy (Ti6Al4V)/carboxymethyl cellulose (CMC) water-based hybrid nanoliquid over an expanding surface characterized by induced magnetic field (IMF). Further, consideration thermal buoyancy and additional nonuniform heat source involved in modeling. The intent this work has significant novelty due elastic deformation behavior a stretching surface. governing mathematical equations problem are reduced set simultaneous ordinary differential elucidated numerically employing Runge-Kutta-Fehlbergs fourth-and-fifth (RKF-45) order process combined with shooting approach. This article examines properties change parameters on functions including temperature profiles, field, velocity profiles nanoliquid, shown through graphs. impact Elastic coefficient reduces where as enhance profile. Magnetic parameter boosts skin friction increase effect. Momentum profile affected most Prandtl number

Язык: Английский

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