Ternary nanofluids due to moving wedge with strong magnetic field and convective condition

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

Published: March 28, 2024

The control of temperature distribution and management heat energy are key problems in an industry. In this study, free convective flow with ternary nanoparticles (Cu, Ag, MgO) was equipped to analyze the impact on magnetic field thermal radiation through a moving wedge surface. This volumetric concentration by Cu, Ag MgO is selected most 4% prevent instability nanofluid. A set applicable modifications expressed as change nonlinear partial differential equations ordinary it undertaken mathematically for applying bvp4c MATLAB package. These outcomes (Cu–Ag–MgO/blood), hybrid (Cu–Ag/blood) copper (Cu) had again correlated. display that connecting nanofluid raises drug friction 3.9% than Also, combination Cu increases skin 19.58% analysis particularly useful transportation biomedical study.

Language: Английский

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Thermal and solutal transport by Cattaneo-Christov model for the magnetohydrodynamic Williamson fluid with joule heating and heat source/sink

Heliyon, Journal Year: 2024, Volume and Issue: 10(7), P. e29228 - e29228

Published: April 1, 2024

This article scrutinizes the 2-dimensional and boundary layer flow of magnetohydrodynamic Williamson fluid flowing on a stretchable surface with variable viscosity. The thermal solutal rates are examined through Cattaneo-Christov model Joule heating, heat source/sink, chemical reaction. authors motivated to conduct this study because its practical scientific significance in various processes, including polymer processing, textile industries, food solar energy, biomedical science, wind turbine blades, oil spill clean-up, metal rolling, forging. With mentioned assumptions, partial differential equations achieved by using basic governing laws, momentum law, energy concentration law. non-linear system is transmuted into ordinary taking similarity transformations. main novelty behind conduction work numerical technique, namely 'Adams-Milne (Predictor-Corrector)' method along Runge-Kutta technique Matlab software, which has not previously been studied any researcher literature. analytical solution determined possible due their highly nature; therefore multistep method, used determine results. outcomes noted numerous parameters for velocity, temperature, profiles. explanation graphical results discussed here. impression parameter reveals that velocity temperature curves diminish higher inputs parameter. movement shows declining behavior Hartmann number viscosity findings mass relaxation coefficients mark reducing behaviour respective field. rise reaction coefficient decreases distribution. analyses comparison also presented

Language: Английский

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Boundary Layer Stagnation Point Flow and Heat Transfer over a Nonlinear Stretching/Shrinking Sheet in Hybrid Carbon Nanotubes: Numerical Analysis and Response Surface Methodology under the Influence of Magnetohydrodynamics

Computation, Journal Year: 2024, Volume and Issue: 12(3), P. 46 - 46

Published: March 3, 2024

The present study aims to offer new numerical solutions and optimisation strategies for the fluid flow heat transfer behaviour at a stagnation point through nonlinear sheet that is expanding or contracting in water-based hybrid nanofluids. Most nanofluids typically use metallic nanoparticles. However, we deliver approach by combining single- multi-walled carbon nanotubes (SWCNTs-MWCNTs). presumptively steady, laminar, surrounded constant temperature of ambient body walls. By using similarity variables, model partial differential equations (PDEs) with magnetohydrodynamics (MHD) effect on momentum equation converted into non-dimensional ordinary (ODEs). Then, dimensionless first-order ODEs are solved numerically MATLAB R2022b bvp4C program. In order explore range computational physical quantities, several variables manipulated, including magnetic parameter, stretching/shrinking volume fraction parameters mono nanotubes. To enhance originality effectiveness this practical applications, optimise coefficient via response surface methodology (RSM). We apply face-centred central composite design (CCF) perform CCF Minitab. All our findings presented illustrated tabular graphic form. have made notable contributions disciplines mathematical analysis dynamics. From observations, find multiple appear when parameter less than 1. also detect double shrinking region. Furthermore, increase SWCNTs-MWCNTs increases both skin friction local Nusselt number. compare performance nanofluids, note work better single coefficients.

Language: Английский

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Radiative bioconvective flow with non-uniform heat source and Soret and Dufour impacts

Alexandria Engineering Journal, Journal Year: 2024, Volume and Issue: 98, P. 159 - 169

Published: May 2, 2024

The stretched flow with heat transfer has pivotal role in geothermal energy system, oil extraction, continuous casting, metal spinning and electronic cooling. Owing to this fact, the current analysis focuses on non-linear thermal radiation effect bio-convective stagnation point by a stretchable wedge. Darcy relation is used discuss porous space. Convective conditions are deliberated. Non-uniform source addressed. Soret Dufour outcomes analyzed. Dissipation magnetohydrodynamics discussed. Presence of gyrotactic microorganisms along chemical reaction considered. Related partial differential equations (PDEs) reduced into dimensionless ordinary (ODEs) through adequate transformations. Optimal homotopy method (OHAM) adopted for computations related nonlinear systems. Flow, microorganism field, concentration temperature distribution graphically explored. Numerical coefficient skin friction, density number Sherwood Nusselt numbers against emerging parameters It noted that velocity friction have similar scenario modified Hartman number. Thermal transport rate reverse trends non-uniform variable. An augmentation seen Biot Larger increasing trend temperature. solutal noticed. leads enhancement. Microorganism field motile Peclet opposite response. There reduction Lewis

Language: Английский

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Entropy generation in chemically reactive flow of Reiner-Rivlin liquid conveying tiny particles considering thermal radiation

Alexandria Engineering Journal, Journal Year: 2022, Volume and Issue: 66, P. 257 - 268

Published: Dec. 2, 2022

Entropy generation for convective magnetized Reiner-Rivlin liquid conveying tiny particles stretched flow is addressed. Energy expression comprises dissipation, Ohmic heating, and radiation. Buongiorno model (thermophoresis random diffusions) nanomaterial employed. Isothermal reaction has been also Non– dimensional differential systems are developed by suitable transformations. Non-dimensional expressions solved Newton built in-shooting technique. Concentration, temperature, entropy rate velocity explored. Thermal transport gradient of concentration against emerging parameters discussed. Velocity temperature magnetic parameter have opposite trends. the effect enhanced. An enhancement in fluid noted convection parameters. increase radiation causes ant increment rate. Concentration reverse trend thermophoresis variables. The scenario mass holds Schmidt number. Similar found through diffusion A higher Brinkman number an generation. larger estimation amplifies thermal

Language: Английский

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MULTI-STRATIFIED EFFECTS ON STAGNATION POINT NANOFLUID FLOW WITH GYROTACTIC MICROORGANISMS OVER POROUS MEDIUM

Journal of Porous Media, Journal Year: 2023, Volume and Issue: 27(5), P. 67 - 84

Published: Dec. 6, 2023

The present investigation focuses on the intricate interplay of multiple stratified effects stagnation point nanofluid flow with gyrotactic microorganisms across a porous medium. study encompasses comprehensive numerical analysis, examining impacts varying parameters, such as stratification porosity, etc., characteristics. behavior further adds complexity to analysis. findings contribute deeper understanding combined and their consequences heat mass transfer within system. Such insights hold relevance in various engineering environmental applications, including biofuel production water treatment processes. Numerical solutions are obtained via fifth order Runge-Kutta-Fehlberg method shooting technique. A graphical view velocity, temperature, concentration, density microorganism-profile-concerned parameters discussed detail. comparison local Nusselt number for distinct values Prandtl reveal validity current results. microorganism fields lessened enhancement thermal, solutal, motile parameters. Also, concentration field boosts thermophoresis Brownian motion parameter.

Language: Английский

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Irreversibility analysis with hybrid cross nanofluid of stagnation point and radiative flow (TiO2+C

Heliyon, Journal Year: 2023, Volume and Issue: 9(4), P. e15056 - e15056

Published: April 1, 2023

The present study addressed the physical significance of entropy generation for mixed convection time-dependent flow cross-hybrid nanoliquid due to stretched surface at a stagnation point. Plot heat transport is discoursed by applying role thermal radiation under convective conditions. For hybrid nanofluid, engine oil used as base liquid with copper (II) oxide CuO and titanium dioxide TiO2 nanoparticles. existing model framed in highly partial differential equation system. governing equations have been transformed into set ODS's using similar scaling operation. Following this, resulting ODEs are solved numerically through BVP4c. primary goal this research analyze results varying stretching ratio parameter ( λ ), Weissenberg We Rd Biot number Bi ) both pure + / EO on velocity, temperature, drag force, transfer well generation, Bejan was studied. A drop velocity observed increasing values upsurge rising value unsteady while these parameters associated temperatures. Copper nanoparticles increase Engine (EO) enactment, making it more useful fluid. Further, some significant industrial engineering applications related problem discourse.

Language: Английский

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Rheology of thermally convective flow of hybrid nanomaterial through slender needle: numerical computation

Journal of Thermal Analysis and Calorimetry, Journal Year: 2023, Volume and Issue: 148(24), P. 14205 - 14213

Published: Nov. 24, 2023

Language: Английский

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Performance of rough secant slider bearing lubricated with couple stress fluid in the presence of magnetic field

Modern Physics Letters B, Journal Year: 2023, Volume and Issue: 38(19)

Published: Dec. 12, 2023

The effect of surface roughness, magnetic field, and couple stress on the performance secant slider bearing is studied in this paper. effectiveness assessed by using a liquid as lubricant process. Because microstructural impacts, fluids have distinctive rheological characteristics. These features potential to make major impact bearing’s performance. novel aspect study that roughness taken into consideration. modified Reynolds equation derived Christensen’s stochastic theory for roughness. Here, both transverse longitudinal patterns are considered. analytical solutions obtained steady-state pressure, load-carrying capacity, film stiffness, damping coefficient. results presented various parameters through graphs tables. combined field significant It noticed increase with parameter, reverse phenomenon observed parameter. When pattern assumed bearing, characteristics like load, stiffness film, coefficient significantly.

Language: Английский

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An MHD nanofluid flow with Marangoni laminar boundary layer over a porous medium with heat and mass transfer

International Journal of Modelling and Simulation, Journal Year: 2024, Volume and Issue: unknown, P. 1 - 17

Published: April 4, 2024

The current work considers two-dimensional incompressible fluid flow with heat transfer over a porous medium mass transpiration and Marangoni boundary condition. nanoparticles of graphene are mixed in water to improve thermal efficiency. It behaves as heater upon increasing its solid volume fraction, Eckert number, cooler suction. This has remarkable interest due applications glues, silicon wafers, exchangers, paints, crystal growth space, etc. ordinary differential equations (ODEs) obtained from the considered partial (PDEs) using similarity transformation technique. Then solutions analytically recovered system ODEs. temperature concentration fields terms Laguerre polynomial. impacts different parameters, such inverse Darcy Prandtl number analysed graphical observations. Specially mentioned is convection, which contains many industrial engineering nanotechnology, atomic reactors, soap films, semiconductor processing, reactors. adds effect nanofluid enhance efficiency better way than base explains physical problem on basis chemically radiative flow.

Language: Английский

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