Mathematical Analysis of Unsteady Stagnation Point Flow of Radiative Casson Hybrid Nanofluid Flow over a Vertical Riga Sheet

Mathematics, Journal Year: 2022, Volume and Issue: 10(19), P. 3573 - 3573

Published: Sept. 30, 2022

Heat and mass transfer study of hybrid nanomaterial Casson fluid with time-dependent flow over a vertical Riga sheet was deliberated under the stagnation region. In presence in models, this formulation utilized to introduce Lorentz forces into system. We considered three models flow: namely, Yamada Ota, Tiwari Das, Xue models. Two different nanoparticles, SWCNT MWCNT base (water) were studied. Under suppositions, mathematical model settled using boundary layer approximations terms PDEs (partial differential equations). The system equations) reduced ODEs (ordinary after applying suitable transformations. system, equations), solved by numerical scheme, bvp4c method. inspiration physical parameters is presented through graphs tables. curves velocity function deteriorated due higher values M. Hartmann number ratio electric force viscous force. increased modified number, ultimately declining function. skin friction an incremental ϖ, while Nusselt raised ϖ. Physically, Eckert increased, which improved kinetic energy and, as result, declined. heat rate increased. enhancement β1, shear thinning enhanced friction.

Language: Английский

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Model-based comparative analysis of MHD stagnation point flow of hybrid nanofluid over a stretching sheet with suction and viscous dissipation

Numerical Heat Transfer Part B Fundamentals, Journal Year: 2024, Volume and Issue: unknown, P. 1 - 22

Published: Feb. 20, 2024

The effects of steady MHD stagnation point flow with viscous dissipation over a permeable stretching surface are examined. fluid water is infused Al2O3−Cu hybrid nanofluid particles. Magnetohydrodynamics (MHDs), suction reveals mechanism for the transmission heat and flow. Many different thermal conductivity models, such as Hamilton–Crosser, Yamada–Ota, Xue models utilized to learn more about thermophysical properties nanoparticles. By using boundary layer approximation, partial differential equations may be transformed into ordinary (ODEs), which linked highly nonlinear. This accomplished by employing separate set equations. Mathematica used find numerical solution applying Runge-Kutta (RK-IV) technique coupled system in question. Visualization resulting data shows velocity, temperature, skin friction. There have also been discoveries local transfer rate. Afterwards, presented tables discussed. Suction S studied together magnetism M, Eckert number Ec, nanoparticle volume fraction toward better understand performance flow, within these systems. According findings this investigation, sheet offers novel approach. When compared Hamilton–Crosser nanofluid, Yamada–Ota model achieves higher rates than other two combined mass suction. Also, tri-models demonstrate growing tendencies rate Al2O3−Cu/H2O Furthermore, nanoparticles superior that conventional nanofluids.

Language: Английский

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Thermodynamics and Heat Transfer Analysis of Magnetized Casson Hybrid Nanofluid Flow via a Riga Plate with Thermal Radiation

Journal of Computational Biophysics and Chemistry, Journal Year: 2022, Volume and Issue: 22(03), P. 321 - 334

Published: Nov. 27, 2022

The importance of non-Newtonian fluid (Casson fluid) in industry is increasingly appreciated. However, little known about the flow rheology Casson flowing over a Riga plate. Thus, purpose this investigation to examine nature entropy generation (EG) and heat transfer (HT) on hybrid nanofluid past plate by considering influences magnetic field thermal radiation. Hamilton–Crosser (Model 1) Xue model 2) conductivity are incorporated for nanofluid. governing equations solved numerical methods i.e., bvp4c shooting techniques. In current framework, comparative patterns both models temperature, velocities, EG Bejan number depicted due existing parameters. domain pertinent parameters taken as radiation, [Formula: see text]; stretching parameter, factor, rotation text]and Hartmann number, text]. outcomes show that rise volume fraction profile better than 1). Moreover, profiles escalated with augmentation values parameter models. results study useful predicting right fluid, while it also assists safeguarding boundary layer (BL) separation, along establishing parallel force surface assisting science technology.

Language: Английский

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Modeling temporal dynamics of a radiant Casson fluid near a steeped plate emitting heat and mass fluxes

ZAMM ‐ Journal of Applied Mathematics and Mechanics / Zeitschrift für Angewandte Mathematik und Mechanik, Journal Year: 2024, Volume and Issue: 104(11)

Published: Sept. 23, 2024

Abstract In today's rapidly advancing world, more deliberate development and implementation of energy‐efficient thermal management systems is emergent. industrial engineering contexts, the regulation heat mass transfer phenomena heavily swayed by factors such as fluxes, wall temperature, concentration levels. cryogenic containers, understanding flux temperature essential for maintaining ultra‐low temperatures over extended periods. this context, our paper embarks on modeling transient dynamics a radiant Casson fluid adjacent to steeped plate, which featured its emission both fluxes. The plate under two conditions, namely uniform (UWT) (UHF), are crucial in modulating upward downward transport processes. Laplace transform (LT) technique yields close‐form solutions model's governing equations. distribution flow salient physical quantities graphed elucidated response intricate parameters. A comparative graphical analysis UWT UHF scenarios reveals stark differences. Notably, fluid's rate appears considerably amplified scenario compared one. Furthermore, setting profoundly influences transportation within realm. pronounced parameter tends thin out velocity profile. Concurrently, heightened radiation results reduction temperature. theoretical framework explored study not just an academic exercise but holds tangible applicability across varied sectors. This spans from rocket chamber cooling, where fine‐tuned conditions paramount safeguarding operations, industries like cosmetics food processing, demand meticulous ensure product excellence.

Language: Английский

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Numerical analysis of multiple slip effects on CuO /MgO/TiO-water ternary hybrid nanofluid with thermal and exponential space-based heat source

Tribology International, Journal Year: 2024, Volume and Issue: 197, P. 109778 - 109778

Published: May 17, 2024

Language: Английский

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Prospects of functionalized carbon nanotubes for supercapacitors applications

Materials Today Communications, Journal Year: 2024, Volume and Issue: 38, P. 108517 - 108517

Published: March 1, 2024

Language: Английский

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Sensitivity analysis and enhanced EMHD performance of unsteady ferrite-water hybrid nanofluid on a Riga plate with variable magnetization and heat generation

Numerical Heat Transfer Part A Applications, Journal Year: 2024, Volume and Issue: unknown, P. 1 - 23

Published: June 11, 2024

In connection to the various applications on energy conservation, fluid-based electronics; coupling of electro-magnetic along with heat generation presents their significant approach. Therefore, current investigation aims at analyzing role ferrite-water hybrid nanofluid in an Electro-Magnetohydrodynamics (EMHD) system. However, it utilizes flow over a Riga plate variable properties magnetization inclusion thermal radiation and generation. Elucidating influence ferrite nanoparticles, unsteady nature system addressed nanofluid. The equations is handled numerically adopting shooting-based fourth-order Runge-Kutta technique followed by similarity rules those are used transformed governing phenomena into ordinary. To maximize EMHD efficiency, optimization framework employed using response surface methodology (RSM). validate work hypothetical test conducted help analysis variance (ANOVA). Through sensitive analysis, key factors for transfer rate identified. Further, measure outcomes results are; nanoparticles increasing parameter fluid velocity augments magnitude. sheet became cool radiate from region which temperature boosts up.

Language: Английский

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Thermal performance analysis of hybrid-nanofluid based flat plate collector using Grey relational analysis (GRA): An approach for sustainable energy harvesting

Thermal Science and Engineering Progress, Journal Year: 2022, Volume and Issue: 37, P. 101609 - 101609

Published: Dec. 9, 2022

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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Integrated analysis of electroosmotic and magnetohydrodynamic peristaltic pumping in physiological systems: Implications for biomedical applications

ZAMM ‐ Journal of Applied Mathematics and Mechanics / Zeitschrift für Angewandte Mathematik und Mechanik, Journal Year: 2024, Volume and Issue: 104(8)

Published: May 25, 2024

Abstract The study of rheological properties in biological fluids, influenced by electroosmosis and magnetohydrodynamic (MHD) peristaltic mechanisms, plays a vital role designing micro‐scale biomimetic pumping systems for targeted drug delivery. Considering these significant applications, the current focuses on integrated analysis electroosmotic Williamson fluid within physiological with variable viscosity thermal conductivity. dimensional momentum equations are linearized under approximation lubrication theory. deals impact various physical parameters flow, heat transfer, characteristics. These include magnetic parameter, viscosity, conductivity, Helmholtz‐Smoluchowski velocity, so on. It is noted from that, velocity slip have decreasing effect skin friction Sherwood number. contribute to larger trapped bolus sizes. findings significantly advancing development efficient tailored precise target delivery applications.

Language: Английский

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