Electro osmotically interactive biological study of thermally stratified micropolar nanofluid flow for Copper and Silver nanoparticles in a microchannel

Scientific Reports, Год журнала: 2024, Номер 14(1)

Опубликована: Янв. 4, 2024

Abstract A novel mathematical analysis is established that summits the key features of peristaltic propulsion for a non-Newtonian micropolar fluid with electroosmosis and heat transfer enhancement using nanoparticles. In such physiological models, channel have symmetric configuration in accordance biological problem. Being mindful this fact, we disclosed an integrated on incorporates major applications. The creeping flow inference reviewed to model realistic Flow equations are cartesian coordinates simplified long wave length low Reynolds number approximation. Nonlinear linear couple solving numerically. We studied variation properties nanofluid developed by two different types nanoparticles (i.e. Cu Ag nanoparticles). Graphical illustrations unveiled highlight physical aspects parameters. exploration demonstrates micro-rotation nano-liquid elements enhances thermal conductivity movement. effect parameters mean pressure variables also presented.

Язык: Английский

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Computational workflow to monitor the electroosmosis of nanofluidic flow in the vicinity of a bounding surface

Numerical Heat Transfer Part B Fundamentals, Год журнала: 2024, Номер unknown, С. 1 - 15

Опубликована: Июнь 14, 2024

This investigation studies the flow of a boundary layer with electroosmotic forces on nanofluid gyrotactic microorganisms along vertical Riga plate. sort fluid movement necessitates specific mathematical techniques and numerical simulations. In addition, boundary-layer is induced by mass heat transfer, Joule heating, viscous dissipation. A model simulated non-linear partial differential equations (PDEs). The combination PDEs turned into set ordinary using proper transformations. Some analysis tools are used to investigate morphological characteristics problem while applying suitable conditions. influence parameters derived solutions numerically visually explained through sets figures. It elucidated that concentration reduces due an increase in Lewis number which leads decrease motile microorganism's density profile. seen temperature distribution improved when chemical reaction Casson parameter increase. we find application electro-osmotic applied surfaces helps dewater separate from incompressible solid liquid mixtures.

Язык: Английский

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A proceeding to numerical study of mathematical model of bioconvective Maxwell nanofluid flow through a porous stretching surface with nield/convective boundary constraints

Scientific Reports, Год журнала: 2024, Номер 14(1)

Опубликована: Янв. 22, 2024

Abstract Nanofluids become significant in the mass and heat transfer models, especially engineering problems. Current proceedings focused on bioconvective Maxwell nanofluid flow passing through permeable stretchable sheet contingent to nield boundary conditions involving effects of activation energy thermal radiation. Various physical quantities are involved this mechanism like magnetic field, thermophoresis, Brownian motion. The main objective study is report transport existence motile microorganisms. In a mathematical perspective, structured model going govern with help partial differential equations (PDEs). These governing PDEs then converted into dimensionless ordinary form by utilizing appropriate similarity transformations. For numerical results, shooting technique ‘bvp4c’ built-in package MATLAB was implemented. Computed results visualized graphically discussed variables nano-fluid profiles comprehensively. From it has been concluded that fluid velocity, temperature, concentration, microorganism density show escalation increasing numeric values porosity, buoyancy ratio, bioconvection Rayleigh, Peclet number parameters decrement reported due counts Prandtl number, radiation, motion, Lewis as evident from figures. outcomes observed fixing $$0.1 < \lambda 3.0$$ 0.1 < λ 3.0 , M 1.5$$ M 1.5 Nr 6.0$$ N r 6.0 Rb R b Nb Nt 1.0$$ t 1.0 $$2.0 \Pr 2.9$$ 2.0 Pr 2.9 Rd 0.4$$ d 0.4 . Magnetic field motion create retardation impact liquid momentum. tables, Skin friction, Nusselt Sherwood microorganisms presented also comparison table our computed already published included for validation.

Язык: Английский

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Homotopy and sensitivity analysis on hybrid nanofluid transient flow past a spinning sphere considering heat source and nonlinear thermal radiation: An optimization study

Alexandria Engineering Journal, Год журнала: 2025, Номер 117, С. 311 - 324

Опубликована: Янв. 16, 2025

Язык: Английский

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Entropy generation minimization of higher-order endothermic/exothermic chemical reaction with activation energy on MHD mixed convective flow over a stretching surface

Scientific Reports, Год журнала: 2022, Номер 12(1)

Опубликована: Окт. 21, 2022

The present investigation aims to analyze higher-order endothermic/exothermic chemical reactions with activation energy by considering thermophoresis and Brownian motion effects on MHD mixed convective flow across a vertical stretching surface. influence of velocity slip, thermal concentration slip along an inclined external magnetic field is also considered. governing coupled non-linear partial differential equations are transformed into ordinary using similarity transformation. resulting system ODEs solved the Newton Raphson shooting technique RK-4 algorithm. impact various physical parameters discovered in problem viz. reaction variable, parameter, parameter have been analyzed profile, temperature profile. these skin-friction coefficient, Nusselt number, Sherwood number displayed tabular form as well surface plots. that appeared entropy generation shown contour numerical findings good agreement previously published results. It observed increment results declination profiles, whereas Bejan profiles observed. A small region near exhibits inclination increase order reaction. In contrast, opposite effect boundary layer. Also, plots portray real-world applications industrial technical processes depiction characteristics arise current study.

Язык: 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, Год журнала: 2023, Номер 37(01)

Опубликована: Янв. 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%.

Язык: 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, Год журнала: 2023, Номер unknown, С. 1 - 15

Опубликована: Фев. 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.

Язык: Английский

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Optimization of response function on hydromagnetic buoyancy-driven rotating flow considering particle diameter and interfacial layer effects: Homotopy and sensitivity analysis

International Communications in Heat and Mass Transfer, Год журнала: 2023, Номер 144, С. 106770 - 106770

Опубликована: Апрель 7, 2023

Язык: Английский

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Chemically radioactive unsteady nonlinear convective couple stress Casson hybrid nanofluid flow over a gyrating sphere

Journal of Thermal Analysis and Calorimetry, Год журнала: 2023, Номер 148(22), С. 12583 - 12595

Опубликована: Окт. 18, 2023

Язык: Английский

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Comparative analysis between copper ethylene-glycol and copper-iron oxide ethylene-glycol nanoparticles both experiencing Coriolis force, velocity and temperature jump

Case Studies in Thermal Engineering, Год журнала: 2023, Номер 47, С. 103028 - 103028

Опубликована: Май 9, 2023

Sequel to the industrial usage of ethylene-glycol conveying copper nanoparticles, nothing is known on how dynamics differ from and iron oxide nanoparticles when there Coriolis force, slip thermal jump. This report presents outcome a study motion heat transfer across both non-Newtonian electro-conducting Carreau hybridized nanofluids via porous medium three-dimensional rotating stretchable plate. The model for hybridization mixture (Cu) Iron (Fe3O4) in base fluid under radiation, uneven source wall attributes were developed presented. reduction equations partial into ordinary differential was carried out using similarity transformation variables. Pseudo-Spectral Method (PSM) employed solve emerged boundary value problem. Exponential space-based source/sink, stretching rates, temperature jump levels, rates are maximal during but minimal nanoparticles. induces higher propagation than unitary nanofluid all physical parameters considered, whereas strength surface drag force depreciates with magnitude Weissenberg number.

Язык: Английский

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