Adaptation of nanofluids with magnetohydrodynamic Williamson fluid to enhance the thermal and solutal flow analysis with viscous dissipation: A numerical study

Results in Engineering, Год журнала: 2024, Номер 21, С. 101798 - 101798

Опубликована: Янв. 14, 2024

The Williamson nanofluid flow along with the thermal and solutal transport effects like enthalpy viscous dissipation, has lots of applications in numerous engineering fields such as heat exchangers, automotive engineering, cooling systems, aerospace, biomedical applications. temperature-dependent viscosity implications polymer processing, chemical microfluidic devices, environmental fluid dynamics, oil gas industries. current research deals numerical study magnetohydrodynamic 2-dimensional flowing on a stretched cylinder. thermophysical property (viscosity) is assumed to depend temperature for this system. transmission analysis processes, also considered here. boundary layer approach used address main leading equations, ODEs are generated from equations by assuming similarity transformations. novelty problem use multistep technique, which Adams-Bashforth Predictor Corrector method, RK-4 scheme secant method. key parameters illustrate graphical behavior velocity, temperature, concentration regions. variations coefficient cause velocity increase, whereas alterations curvature parameter region decrease. given area declines due impact Prandtl number. fluids shows augmented values occurrence variation thermopherosis coefficient, Brownian motion parameter, generation parameter. activation energy lead an increase region, decrease noted Damkholer number Schmidt

Язык: Английский

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Comprehensive Review on Non-Newtonian Nanofluids, Preparation, Characterization, and Applications

International Journal of Thermofluids, Год журнала: 2024, Номер 22, С. 100705 - 100705

Опубликована: Май 1, 2024

Nanofluids, comprising nanoparticles and a base fluid, have captured substantial interest due to remarkable enhancements in thermal conductivity other crucial thermophysical properties. These advancements facilitate diverse applications across various industrial processes, including biomedical drug research. This review centers on non-Newtonian nanofluids, which diverge from Newton's law of viscosity, rendering them more adaptable versatile. Through comprehensive examination the latest research, preparation methods, both one-step two-step techniques, their formulations oil-based, water-based, ethylene glycol-based solutions are systematically explored. The study synthesizes findings that highlight significant improvements heat transfer efficiency introduces novel sectors, such as engineering energy systems. Furthermore, an in-depth characterization nanofluids is provided, covering rheological, dispersion, transport, magnetic, optical, radiative fluids increasingly utilized exchangers, automotive radiators, engines, solar collectors, electronic coolants, demonstrating broad spectrum practical applications. shows ongoing challenges primarily centered preparation, stability, commercialization nanofluids. Conclusively, paper underscores potential revolutionize technological areas advocates for continued research develop stable efficient formulations, paving way innovative scientific

Язык: Английский

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Heat transfer analysis of MHD Prandtl-Eyring fluid flow with Christov-Cattaneo heat flux model

Numerical Heat Transfer Part A Applications, Год журнала: 2024, Номер unknown, С. 1 - 21

Опубликована: Фев. 18, 2024

The current problem focuses on the heat transfer analysis of non-Newtonian Prandtl-Eyring fluid flow under an applied magnetic field over a variable stretching sheet. is assumed because most practical situations have surfaces. In addition, very important phenomenon in many applications like extrusion sheets, cooling plants, etc. Thus, estimated with Christov-Cattaneo conduction law to get more realistic results. physical mathematically modeled all these assumptions, it yields boundary value coupled nonlinear partial differential equations. governing equations are first transformed into ordinary by employing set similarity transforms. And, obtained system numerically simulated shooting method for different parametric conditions. proposed algorithm quite efficient and implemented solve efficiently. Variations momentum thermal energy captured graphs varying govern parameters. surface drag coefficient reduced Nusselt number computed analyzed. For validation results, comparison established existing literature, can be shown that results matched well reported literature. It observed both parameters (α,β) effects velocity i.e. parameter α increases while β decelerates it. Also, produces Lorentz force which works opposite direction hence motion significantly. higher this less favorable movement as compared linear stretching. temperature cools down if relaxation considered.

Язык: Английский

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Cattaneo-Christov heat and mass transmission of dissipated Williamson fluid with double stratification

Alexandria Engineering Journal, Год журнала: 2023, Номер 80, С. 553 - 558

Опубликована: Сен. 7, 2023

The vast significance and applications in various industrial works such as heat cooling process, chemical reactors, food storage systems several medical motivated the author to conduct this type of study. aim paper is inspect two-dimensional incompressible magnetohydrodynamic flow Williamson fluid through a stretching sheet. Cattaneo-Christov temperature concentration considered with effects double stratification viscous dissipation. leading nonlinear partial differential equations are transformed into ordinary by means renowned similarity transformations solutions problem obtained bvp4c method on MATLAB software. parameter depending time relaxation declines motion. motion slowed down due Hartman number. mass noted be decline thermal solutal parameters. rises coefficient reduce transferal rate.

Язык: Английский

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Cattaneo-Christov flow analysis of unsteady couple stress fluid with variable fluid properties: By using Adam’s method

Alexandria Engineering Journal, Год журнала: 2023, Номер 81, С. 64 - 86

Опубликована: Сен. 13, 2023

This work investigates the transference of mass and heat rate with Cattaneo-Christov model for 2-D magnetohydrodynamic couple stress fluid flowing in a sensory surface. The considered on microcantilever sensor surface squeezed at free stream which can perceive motion variance temperature concentration rates. physical nature this study is investigated by using variable properties. context squeezing important due to their unique rheological understanding these types flow behavior enables engineers scientists design efficient processes, improve lubrication, enhance coating techniques, optimize material transport avoid instabilities associated complex flow. governing PDEs equations are attained adapting assumptions, then altered into form ODEs via similarity transformations. numerical solutions achieved taking Adams-Bashforth (Predictor-Corrector) technique along RK-4 method. declining velocity inspected inputs permeable velocity, parameter index. drops thermal relaxation coefficients.

Язык: Английский

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Computational analysis of elastic deformation on radiative flow of trihybrid nanofluid over vertical cylinder with Dufour and Soret effects

Journal of Radiation Research and Applied Sciences, Год журнала: 2024, Номер 17(4), С. 101177 - 101177

Опубликована: Ноя. 14, 2024

Язык: Английский

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Thermophysical characteristics with natural convective flow of Carreau fluid influencing by Soret and Dufour effects: By using numerical technique

International Journal of Thermofluids, Год журнала: 2024, Номер 21, С. 100589 - 100589

Опубликована: Янв. 27, 2024

The authors are attracted to conduct this study because it has a major dependence on scientific, medical, and engineering works, including heat exchangers, geothermal systems, reactive flow in chemical reactors, blood arteries, groundwater flow, enhanced oil recovery, cooling systems aircraft, nanofluidic devices. In study, the problem deals with two-dimensional incompressible boundary layer natural convective of Carreau fluid flowing surface variable thickness. thermophysical properties like viscosity, thermal conductivity, diffusivity chosen be variable. For determination solutal analysis, we have considered enthalpy change along activation energy, generation, Soret, Dufour effects. model equations occur PDEs form then converted into ODEs via similarity transformations. numerical outcomes obtained by using multistep method named Adams-Bashforth Predictor Corrector technique MATLAB software. velocity is decreasing function Weissenberg number, viscosity coefficient, both Grashof numbers transport. temperature field growing Damkholer conduction generation parameter, whereas declining behavior noted due number difference coefficient. concentration rises increasing inputs coefficient but decline Soret number. skin friction, Nusselt Sherwood also discussed here, these compared Bvp4c Bvp5c built-in commands Matlab

Язык: Английский

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Numerical simulation of a non-Newtonian nanofluid on mixed convection in a rectangular enclosure with two rotating cylinders

International Journal of Ambient Energy, Год журнала: 2024, Номер 45(1)

Опубликована: Апрель 1, 2024

Non-Newtonian fluid flows are a present advancement in industrial heat transfer and mechanics, with numerous applications engineering field as well real life such food industry, petroleum refiners, biological processes, biomedical engineering, chemical etc. As result, this numerical investigation explore the flow behaviour of mixed convective non-Newtonian power-law nanofluid (Al2O3-H2O) rectangular enclosure. The physical model is considered two-dimensional enclosure consisting two rotating hot cylinders (TH)in middle part cavity, where one moving clockwise other counter-clockwise directions. left right walls chamber taken relatively low temperature (TC) while remaining top bottom insulated. important thermophysical property, viscosity, depends on shear rate, thermal conductivity temperature. related governing equations solved by using finite element method, to describe response surfaces surface methodology (RSM) applied. influence relevant non-dimensional parameters, Prandtl number (Pr=6.2), Reynolds (Re=10, 100, 200 400), index (n = 0.6, 0.8, 1.0 1.4), Richardson (Ri=1.0, 2.0, 4.0 6.0), nanoparticle volume fraction (ϕ=0.00, 0.01, 0.02 0.04), explained interpretation streamlines, isotherm lines, velocity profile, average Nusselt (Nuav). To visualise surfaces, 2D 3D contour plots RSM. It concluded that adding into base fluid, rate developed significantly. Same phenomena exhibits for larger magnitudes Ri Re. And, increasing value n from 0.6 1.4, Nuav would go down 39.8 percent.

Язык: Английский

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Numerical computation of joule heating and chemical reaction for the radiated Casson fluid on the slender parabolic surface

ZAMM ‐ Journal of Applied Mathematics and Mechanics / Zeitschrift für Angewandte Mathematik und Mechanik, Год журнала: 2024, Номер 104(4)

Опубликована: Фев. 11, 2024

Abstract This work dealing to solve the numerical results of magnetohydrodynamic flow material (Casson fluid) moving over slender parabolic surface with temperature dependent viscosity. To make enhancement in thermal and solutal fields, we have determined impact radiation, viscous dissipation, joule heating, chemical reaction on considered material. Due huge applications coating processes aerodynamic industries, suction/Injection is assumed at surface. With help assumptions, governing equations are obtained partial differential equation forms, these translated into ordinary form by using Levy‐Lee similarity transformations. The forms ODE's then numerically solved Adams‐Milne (Predictor–Corrector) technique. graphical findings producing emerging parameters. decrement velocity noted due fluid parameter suction coefficient whereas happens natural convection. determination physical quantities including, Nusselt number, Skin friction Sherwood number also examined here compared two techniques (Adam‐Milnes Bvp4c method).

Язык: Английский

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Thermal diffusivity of inclined magnetized Cross fluid with temperature dependent thermal conductivity: Spectral Relaxation scheme

Deleted Journal, Год журнала: 2024, Номер 6(3)

Опубликована: Март 8, 2024

Abstract Understanding and controlling the thermal transport phenomena are crucial in numerous applications. The current research emphasizes diffusivity of an inclined magnetized Cross fluid with temperature-dependent conductivity a computational iterative spectral relaxation scheme. mathematical model is employed to characterizes non-Newtonian behavior uncover viscoelastic properties fluid. Flow incorporated under temperature influence external magnetic strength considered for variations. Various prominent factors, including cross index, field, inclination angle, analyzed on fluid's diffusivity. flow governing PDEs converted into system ODEs by using suitable transformation. Spectral computation scheme then used new set equations. SRM algorithm subsystems built through MATLAB. Numerical results illustrated MATLAB graphs. Physical quantities such as Sherwood numbers, Nusselt skin friction coefficient visually taken place statistical graphs two cases imposed field. this investigation shed light how fluids behave when exposed changes fields useful understanding leverage these effects specific

Язык: Английский

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