Heat transfer enhancement using ternary hybrid nanofluid for cross-viscosity model with intelligent Levenberg-Marquardt neural networks approach incorporating entropy generation

Case Studies in Thermal Engineering, Год журнала: 2024, Номер unknown, С. 105290 - 105290

Опубликована: Окт. 1, 2024

Язык: Английский

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A theoretical analysis of the ternary hybrid nano-fluid with Williamson fluid model

Ain Shams Engineering Journal, Год журнала: 2024, Номер 15(8), С. 102839 - 102839

Опубликована: Май 24, 2024

The commercialization of nanotechnology is significant in the areas pharmaceutical delivery, supercapacitors, catalysts, microelectronics, thermal energy plants, automotive cooling, fuel cell membranes, crack-resistant paint, and water purification. Here Darcy-Forchheimeir hydromagnetic flow radiative Williamson trihybrid MOS2+ZrO2+GO/Ethyleneglycol nanofluid subject to entropy generation investigated. Molybdenum disulfide MOS2, zirconium dioxide ZrO2, graphene oxide GO nanoparticles base fluid (Ethylene glycol) are incorporated. Darcy-Forchhiemeir porous medium dissipative heat transfer attributes considered. Furthermore, convective boundary condition incorporated for analysis. Thermal radiation employed perform a study phenomenon while keeping mind practical applications. governing PDEs converted into ODEs by appropriate transformations. Using homotopy analysis method (HAM), resulting non-dimensional systems addressed analytically. implications various factors on transmission rate friction factor tri-hybrid nanofluid, hybrid MOS2+ZrO2/Ethyleneglycol nanomaterial, nanoliquid MOS2/Ethyleneglycol investigated through tables. Further, velocity, temperature, rate, Bejan number all three nano-liquid scenarios response influential parameters (Weissenberg We, magnetic parameter M, Rd, Brinkman Br, suction S, Fr, Biot Bi) graphically evaluated. velocity declines as grows. A greater Weissenberg results an increased number. Temperature increase with higher value. enhanced drag force. decreases increasing effect. In conclusion, current outcome excellent invention that came before it.

Язык: Английский

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Thermal efficiencies of Ohmic cobalt ferrite and magnetite hybrid ferrofluid flow over an exponentially vertically shrinking surface

Alexandria Engineering Journal, Год журнала: 2024, Номер 90, С. 120 - 128

Опубликована: Янв. 31, 2024

The remarkable thermophysical characteristics of hybrid nanofluids have considerable potential for the enhancement heat transport. In recent years, there has been a significant surge in research on nanofluids, with findings indicating that these fluids are favorable transferring engineering contexts. Therefore, theoretical investigation is conducted by adopting Tiwari and Das model, viscous dissipative flow thermal transport nanoparticles an exponentially permeable porous shrinking surface. convective features studied influence Ohmic heating generation/absorption effects. To solve governing problem nanofluid, standard conversion numerical approach used. indicated existence dual solutions within certain range mixed parameters. results reveal high suction strength higher skin friction coefficient transfer rate. It also reveals opposing regions, addition resulted lower rate coefficient. Furthermore, as radiation increases, but upward Eckert number exhibits opposite behavior. addition, velocity profile displays behavior upper when convection parameter increases. Besides, distribution grew radiation, number, Biot were raised.

Язык: Английский

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Theoretical investigation of unsteady MHD flow of Casson hybrid nanofluid in porous medium: Applications of thermal radiations and nanoparticle

Journal of Radiation Research and Applied Sciences, Год журнала: 2024, Номер 17(3), С. 101029 - 101029

Опубликована: Июль 16, 2024

In this research, we investigated the unsteady magnetohydrodynamic (MHD) convective flow of Casson hybrid nanofluids over an oscillating plate, considering effects a porous medium and thermal radiation. These nanofluids, composed multiple nanoparticles dispersed in base fluid, offer advantages single nanoparticle suspensions, including improved heat transfer properties enhanced conductivity. The study focused on Ag–Au/blood across plate. drug-carrying fluid can navigate complex vascular structures effectively by using e.g., silver gold blood. Also, employing external magnetic fields to guide concentrate nanofluid target area. known for its elasticity behavior, is non-Newtonian with diverse applications industrial engineering sectors. Mathematically, incorporated model express blood flow, accounting convection, radiation, effects. By transforming governing partial differential equations into dimensionless form parameters, employed Laplace transform method find exact solutions velocity temperature. Graphical analysis revealed that decreases increasing field parameter but increases Darcy parameter, Grashof number, concentration, parameter. Additionally, temperature rises proportionally radiation volume fraction,

Язык: Английский

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Cattano Christov double diffusion model for third grade nanofluid flow over a stretching Riga plate with entropy generation analysis

Heliyon, Год журнала: 2024, Номер 10(10), С. e30188 - e30188

Опубликована: Май 1, 2024

The current investigation delves into the convective heat and mass transfer characteristics of third-grade radiative nanofluid flow within a porous medium over Riga plate configuration. structure incorporates magnets electrodes strategically arranged on surface. To enhance accuracy energy concentration expressions fluid flow, Cattano Christov Double Diffusion model is employed. Entropy generation analysis conducted by applying second law thermodynamics, Darcy's employed to characterize behavior medium. Appropriate similarity transformations have been used convert partial differential equations monitoring dimensionless ordinary equations. Galerkin weighted residual method resolve these numerically. findings contain detailed explanations how relevant factors affect temperature field, velocity entropy generation, Bejan number, in addition graphic representations results. indicate that medium's porosity Brinkman number promote generation. production affected thermal radiation parameter, which first rises then declines after certain distance.

Язык: Английский

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Ferromagnetic effect on Casson nanofluid flow and transport phenomena across a bi-directional Riga sensor device: Darcy–Forchheimer model

Nanotechnology Reviews, Год журнала: 2024, Номер 13(1)

Опубликована: Янв. 1, 2024

Abstract Ferromagnetic hybrid nanofluids can be employed in electronics and microelectronics cooling applications to minimise the accumulation of heat effectively eliminate excess heat. By increasing transfer rate, these serve maintain suitable operating temperatures avoid device overheating. This study examines influence convective heating on fluid flow a three-dimensional ferromagnetic Casson nanofluid (composed Mn-ZnFe 2 O 4 /CoFe nanoparticles) over radiative Riga sensor device. The investigation takes place within permeable medium characterised by Darcy–Forchheimer dynamics. Additionally, analysis incorporates assessment interaction viscous dissipation. To establish standardised set governing partial differential equations along with their associated boundary circumstances, similarity transformations are implemented. Following this, resultant transformed ordinary efficiently solved using bvp5c solver. solution process employs shooting technique facilitated MATLAB software. impact influencing factors was carefully observed thoroughly analysed graphical representations. Specifically, effects pertinent shear stress rates concisely depicted tabular formats.

Язык: Английский

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Complex cilia-generated flow of hybrid nanofluid with electroosmosis, viscous dissipation and slippage

International Journal of Thermofluids, Год журнала: 2024, Номер 22, С. 100624 - 100624

Опубликована: Март 5, 2024

In this study, we investigated how electroosmsis, viscous dissipation, and slippage affect the peristaltic flow of complex cilia-generated hybrid nanofluid in a ciliated tube. The is characterized by sinusoidal wave that transmits along wall tube with uniform speed having distinct amplitudes. main objective work to examine cilia on drives under electroosmosis. Helmholtz–Smoluchowski equation used model electroosmosis, Poisson solved analytically using Debye-Huckel approximation. lubrication approach utilized simplify governing equations. non-dimensional equations for are exactly DSolve command Mathematica. results presented graphically accomplish theoretical from complex-cilia evolution necessary parameters an asymmetric study shows increasing electroosmotic parameter leads increase velocity profile at boundary decrease middle Conversely, has opposite effect. Brinkman increases temperature nanofluid. also presents graphical analysis pressure rise gradient various values parameters. against volumetric rate Helmholtz-Smoluchowski parameter, while it decreases slip parameter. streamlines drawn trapping phenomena blood formation bolus division streamlines. It observed size number close artery walls reverse behavior tabular presentation heat transfer coefficient presented. current can be bio mathematical models control fluid through micro-channels investigate ways cure blockages cancer tumors biomedicine. design optimize microfluidic devices drug delivery, lab-on-a-chip devices, other biomedical applications.

Язык: Английский

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HARK formulation for entropy optimized convective flow beyond constant thermophysical properties

Case Studies in Thermal Engineering, Год журнала: 2024, Номер 54, С. 103983 - 103983

Опубликована: Янв. 9, 2024

Ohmic heating has a pivotal role in food processing industry. For example, chocolate industry for cocoa beans shell is significant substrate bioactive compounds recovery sustainability. In addition, the Soret and Dufour effects have importance chemical petroleum processes involving separation treatments, convective movements lakes solar ponds, solidification, humidity migration building, drying processes, crystal growth many others. view of such applications here we discuss hydromagnetic mixed convection flow with variable thermophysical properties. Formulation Reiner-Rivlin material made. Entropy generation presence dissipation, magnetohydrodynamics radiation are discussed. Thermal relation consists heat dissipation. outcomes under consideration. attended. Binary reactive been accounted. Convective conditions implemented. By utilization appropriate variables, get ordinary differential equations. ND-solve method implemented to provide computations. Evaluation different variables flow, concentration, entropy rate temperature studied. Analysis surface drag force solutal thermal transport rates via influential examined. An augmentation velocity noted viscosity parameters. Reverse effect holds field variation magnetic variable. intensification distribution found through Biot number. A reverse impact observed concentration Schmidt numbers. Higher mass diffusivity parameter correspond improves rate. Brinkman number increasing trend

Язык: 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, Год журнала: 2024, Номер unknown, С. 1 - 23

Опубликована: Июнь 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.

Язык: Английский

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Diversified characteristic of carbon nanotube nanoparticles on the entropy minimization for the flow of hybrid nanofluid through a convectively heated surface

ZAMM ‐ Journal of Applied Mathematics and Mechanics / Zeitschrift für Angewandte Mathematik und Mechanik, Год журнала: 2024, Номер 104(9)

Опубликована: Июль 19, 2024

Abstract An analysis of entropy is essential to determine the heat transfer efficiency characteristics nanofluids in different applications. Implementation carbon nanotubes (CNTs) that combined effect “single‐wall nanotube” (SWCNT) and “multi‐wall (MWCNT) water shows their effective properties enhancing transport phenomena. In general, these are useful industrial processes for better shape product proposed as a coolant, cancer therapy, solar radiation, etc. Based on special characteristics, current investigation analyses flow water‐based CNT cross‐hybrid nanofluid past convectively heated surface. The characteristic enriches by insertion dissipative heat, thermal external source/sink. appropriate choice similarity rules transforming governing designed problem non‐dimensional form further, “ spectral quasi‐linearization method (SQLM) ” imposed solve set equations. After getting result, process irreversibility due various factors obtained, is, presented briefly. physical significance deployed graphically described discussion section. However, validation with earlier result projected show good correlation.

Язык: Английский

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