Radiation effect on stagnation point flow of Casson nanofluid past a stretching plate/cylinder

Scientific Reports, Journal Year: 2024, Volume and Issue: 14(1)

Published: Jan. 16, 2024

Abstract The exclusive behaviour of nanofluid has been actively emphasized due to the determination improved thermal efficiency. Hence, aim this study is highlight laminar boundary layer axisymmetric stagnation point flow Casson past a stretching plate/cylinder under influence radiation and suction/injection. Nanofluid comprises water Fe 3 O 4 as nanoparticles. In article, novel casson model developed studied on stretchable flat plate or circular cylinder. Adequate rational assumptions (velocity components) are employed for transformation governing partial-differential equations into group non-dimensional ordinary-differential formulas, which then solved analytically. momentum energy through complementary error function method scaling quantities. Using various figures, effects essential factors flow, heat transportation, Nusselt number, determined explored. From obtained results, it observed that velocity field diminishes owing magnification in parameter $$B$$ B fluid $$\Lambda$$ Λ . temperature increases by amplifying $$N_{r}$$ N r , solid volume fraction $$\phi$$ ϕ research applicable developing procedures electric-conductive nanomaterials, have potential applications aircraft, smart coating transport phenomena, industry, engineering, other sectors.

Language: Английский

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Thermal analysis of heat transport in a slip flow of ternary hybrid nanofluid with suction upon a stretching/shrinking sheet

Case Studies in Thermal Engineering, Journal Year: 2024, Volume and Issue: 54, P. 103965 - 103965

Published: Jan. 23, 2024

Understanding heat transfer in slip flow scenarios involving a stretching or shrinking sheet has immediate applications numerous fields, including materials processing, production, and temperature management systems. This information supports the development of novel methods Therefore present study focuses on stagnant point discusses dynamics thermal characteristics ternary hybrid nanofluids with application Tiwari Das nanofluids. It is assumed that are stretching/shrinking sheet. The slipping effects suction boundary conditions implemented. simulation will be performed using finite element method software package COMSOL Multiphysics 6.0. system ordinary differential equations (ODEs) obtained through similarity transformation solved numerically to obtain results. average velocity, profiles, Nusselt number patterns non-dimensional parameters also analyzed. These include parameter, ranging from −1 0.5, parameter both 0 2. under investigation consist combination TiO2, Silver-Ag, ZnO particles base fluid (water). volume fraction these tested 0.03 0.3. was found when there no effects, decreases for case increases case. concluded effect, profile

Language: Английский

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Statistical investigation of heat transfer efficiency on a ternary nanoflow over a stretching surface

Case Studies in Thermal Engineering, Journal Year: 2024, Volume and Issue: 61, P. 104958 - 104958

Published: Aug. 9, 2024

Ternary hybrid nanofluids offer significant advantages in heat transfer due to their enhanced thermal conductivity compared traditional fluids. Investigating flow behavior over expanding surfaces can contribute the development of more efficient exchangers and cooling systems electronics, energy production, transportation industries. This paper presents a detailed analysis characteristics ternary nanofluid (SiO2–Cu–Al2O3/H2O) radially stretching surface, utilizing both numerical techniques (Keller Box method) statistical techniques. Furthermore, model includes factors like convective transport, radiation, internal fluid friction, suction. Similarity transformations transform governing equations for into system nonlinear ordinary differential equations. Then are solved numerically using Keller method with aid MATLAB software. Additionally, we have employed such as correlation analysis, probable error estimation, multivariate regression validate ensure accuracy outcomes. Parameter ranges Biot number, unsteadiness, Eckert generation parameter 0.1 ≤ Mp 0.7, Ks 1.5, 0.2 Ps 0.8, EN 0.4, 0.5 RN 2, 1≤ BT 2.5, Hsc 0.7 found significantly impact within these bounds. study utilizes 3D surface plots visualize influence key parameters on engineering quantities. R squared values show that data strongly match model. The findings demonstrate excellent concordance between predicted actual Nusselt number skin friction measurements. has very strong transfer, minimal chance error. And same is evidenced by matrix multiple analysis. also exhibits negative number. translates situation where increasing directly leads decrease rate no margin Energy demonstrates transfer. However, there's slight possibility error, an estimated percentage around 0.0017.

Language: Английский

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Impact of Navier’s Slip and MHD on a Hybrid Nanofluid Flow over a Porous Stretching/Shrinking Sheet with Heat Transfer

Fluids, Journal Year: 2024, Volume and Issue: 9(8), P. 180 - 180

Published: Aug. 10, 2024

The main objective of this study is to explore the inventive conception magnetohydrodynamic flow a hybrid nanofluid over-porous stretching/shrinking sheet with effect radiation and mass suction/injection. advances both manufactured current region base fluid. For investigation, nanofluids comprising two different kinds nanoparticles, aluminium oxide ferrofluid, contained in water as fluid, are considered. A collection highly nonlinear partial differential equations used model whole physical problem. These then transformed into ordinary using an appropriate similarity technique. nonlinear, thus it difficult analytically solve considering temperature increases. Then, outcome described incomplete gamma function form. considered parameters namely, magnetic field, Inverse Darcy number, velocity slip, suction/injection, jump effects on velocity, temperature, skin friction Nusselt number profiles reviewed plots. results reveal that values increase momentum boundary layer decreases. Moreover, higher heat sources thermal enhance layer. present problem has various applications manufacturing technological devices such cooling systems, condensers, microelectronics, digital cooling, car radiators, nuclear power stations, nano-drag shipments, automobile production, tumour treatments.

Language: Английский

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Mathematical modeling of entropy generation in MHD mixed convective Cu – Ag -Al ₂ O ₃ /H ₂ O tri-hybrid nanofluid over an exponential permeable shrinking surface with radiation and slip impacts: Multiple solutions with stability analysis

Numerical Heat Transfer Part B Fundamentals, Journal Year: 2024, Volume and Issue: unknown, P. 1 - 29

Published: May 10, 2024

The present investigation aims to determine the existence of a dual solution in magnetohydrodynamic (MHD) mixed convective radiative flow Cu-Ag-Al2O3/H2O tri-hybrid nanofluid permeable Darcy–Forchheimer porous medium over an exponentially shrinking surface by considering velocity, thermal slips, and suction effects at surface. This study focuses on assessing entropy production novel coolant applications. To streamline analysis, complex nonlinear partial differential equations (PDEs) are simplified converting them into set ordinary (ODEs) through utilization similarity transformation technique. These ODEs then solved utilizing bvp4c numerical MATLAB function. Graphical tabular analyses conducted investigate impact emerging variables generation, as well temperature, skin friction coefficient, Nusselt number. Due contraction surface, solutions found, but cannot be found beyond critical values. values SC 1.58928, 1.48700, 1.66058, ξC −1.239499, −1.416999, −1.130030 for Cu/H2O nanofluid, Cu−Ag/H2O hybrid Cu−Ag−Al2O3/H2O respectively. A positive minimum eigenvalue γ1 signifies upper stable branch, while negative minimal indicates presence lower unstable branch. exhibits superior properties compared fluids. Adding nanoparticles traditional fluids is perceived improving their ability transmit heat. analysis has demonstrated that radiation temperature slip parameters significantly influence heat transfer rate. Thermal speed up creation entropy. Additionally, case solution, increase Forchheimer number results deceleration liquid flow, effect which further amplified magnetic field velocity parameter.

Language: Английский

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An impact of Navier’s slip on the flow of ternary nanoparticles over a semi-infinite permeable stretching/shrinking sheet with mass transpiration

International Journal of Modern Physics B, Journal Year: 2025, Volume and Issue: unknown

Published: March 15, 2025

The aim of this study is to find out the solution for viscous ternary nanofluid flow over a semi-infinite permeable stretching/shrinking medium with mass transpiration, by taking into account Navier’s slip or second-order slip. However, idea water-based nanofluids incorporating triple different forms solid nanoparticles densities and outlines (ternary hybrid nanofluids) remains fantastic due their range applications in engineering such as polymer production, solar energy storage distribution. Silver (Ag), SWCNTs Graphene are immersed base fluid H 2 O resulting nanofluid. A number boundary conditions employed research considered supposition, which generalization them. physical problem Mathematically modeled partial differential equations. These regulating equations transformed related nonlinear ordinary choice appropriate set similarity transformations. analytical technique solve reduced transformation. Remarkably, despite nonlinearity equation, an exact momentum derived. insights being provided means various phase diagrams also, demonstrate impact thermophysical parameters on velocity profiles.

Language: Английский

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An Analytical Inspection on Effect of Chemical Reaction and Radiation on MHD Biviscous Bingham Tetra Nanofluid Flow With Accelerated Plate

Journal of Nanotechnology, Journal Year: 2025, Volume and Issue: 2025(1)

Published: Jan. 1, 2025

The nanofluids and their advanced models (ternary tetra nanofluids) possess an outstanding thermal mechanism attract engineers industrialists with prominent features. Tetra have high conductivity; thus, by inserting nanoparticles in the base fluids, effective conductivity of heat transfer fluids is enhanced. A framework has now been illuminated throughout this work to scrutinize behavior chemical reactions radiation on water‐based magnetohydrodynamics (MHD) biviscous Bingham flow nanofluid (Al 2 O 3 –Fe 4 –TiO –Cu/H O) over accelerated plate through a porous medium presence slip conditions, source/sink, viscous dissipation. overall physical problem designed form nonlinear partial differential equation, which then altered into highly ordinary equation via proper dimensionless variable. These equations are solved analytically, along associated boundary conditions. flow, energy, mass problems were examined especially transport phenomena performed for both prescribed surface temperature (PST) flux (PHF) cases, was also evaluated two different namely concentration (PSC) (PMF) then, these solutions demonstrated terms confluent hypergeometric function. There plots showing how variables affected velocity concentration, skin friction, rate transmission. dual solution found velocity, temperature, profiles. finding discloses that performance magnetic parameter, fluid parameters experience slowdown impact corresponding velocities cases stretching boundaries. For magnitude field parameter increases increasing profile second solution, whereas reverse trend observed first solution.

Language: Английский

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Nanoparticle Aggregation Effects on MHD Nanofluid Flow Over a Permeable Sheet with Stretching/Shrinking and Thermal Radiation

Advanced Theory and Simulations, Journal Year: 2025, Volume and Issue: unknown

Published: May 2, 2025

Abstract This research aimed to analyze the effects of both without aggregation and with nanoparticles (i.e., titania‐ethylene glycol ) on velocity temperature profiles over a permeable MHD stretching/shrinking sheet permeability parameter thermal radiation . For purpose studying nanoparticle aggregation, improved Maxwell‐Bruggeman Krieger‐Dougarty models are applied. By applying similarity transformation, simple partial differential equations that arise from mathematical modeling transformed into nonlinear ordinary equations. The calculated equation is then numerically solved using Runge‐Kutta‐Fehlberg 4th‐5th (RKF45) order method shooting technique analytically via Adomian decomposition (ADM). validation, outcomes this inquiry linked those available in literature. In addition, acquired analytical ADM data compared numerical RKF45, homotopy analysis (HAM)‐package values, given It found skin friction coefficient also lower presence than absence such effects. Furthermore, when shrinking, heat transport (HT) decreases increases, respectively, stretching. reduces HT coefficient.

Language: Английский

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Enhanced Energy Transfer Performance in an Inclined Magneto-Convective Sutterby Ternary Hybrid Nanoflow: Application for Nano Diesel

Contemporary Mathematics, Journal Year: 2024, Volume and Issue: unknown, P. 1707 - 1737

Published: April 17, 2024

This study investigates sodium alginate-based nano-lubricants with added copper and aluminum oxides. The thermal performance of nano (Al2O3), hybrid (Al2O3 + CuO) ternary CuO TiO2) nanofluids is studied compared in this article. Due to the significant impact higher stream rates, nanofluid crucial domains such as petroleum engineering. A Sutterby nanoflow model past a stretching sheet embedded permeable media considered. In fluid, effects radiation, hotness source/sink, inclined magneto-convection under Stefan blowing, chemical reaction are assumed. highest-order nonlinear partial differential equation handled by utilizing similarity function, producing new set ordinary equations. derived equations then quantitatively analyzed using bvp4c approach MATLAB.Graphical representations several features for specific non-dimensional variables, including heat transfer, Sherwood, drag coefficient, velocity, temperature, concentration, presented. An increase curve observed due source/sink parameter; however, Nusselt number exhibits opposite pattern. participation Nb thermophoresis force led greater radiation. For Sc Kr, mass transfer ratio lower. results show very good congruence when literature. Our also prove that transfers more from system than or nanofluid. With an rate energy rises, while local skin friction coefficients tendency direction.

Language: Английский

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Radiative influence on axisymmetric ternary hybrid nanofluid flow with convective boundary conditions over a nonlinearly permeable stretching/shrinking disk

International Journal of Numerical Methods for Heat &amp Fluid Flow, Journal Year: 2024, Volume and Issue: unknown

Published: Sept. 27, 2024

Purpose In recent times, ternary hybrid nanofluid has garnered attention from scientist and researchers due to its improved thermal efficiency. This study aims delve into the examination of (Al 2 O 3 –Cu–TiO /water), particularly concerning axisymmetric flow over a nonlinearly permeable stretching/shrinking disk. addition, investigation convective boundary conditions radiation effects is also considered within context described problem. Design/methodology/approach Mathematical formulations representing this problem are reduced set ordinary differential equations (ODEs) using similarity transformation. The MATLAB value solver then used solve obtained ODEs. impact physical parameters such as suction parameter, nonlinear nanoparticle volumetric concentration Biot number on profiles well quantities illustrated in graphical form. Findings findings revealed flux for shrinking disk approximately 1.33%, significantly higher when compared linearly Moreover, existence dual solutions attributed unveiled, with first solution being identified stable reliable through temporal stability analysis. Practical implications Understanding behavior applications engineering, energy systems materials research. may help develop optimize like heat exchangers cooling systems. Originality/value dynamics across gains less linear geometries. Many natural industrial processes involve changes shapes or sizes. shrinking/stretching disks therefore essential various fields processing, biomedical engineering environmental sciences. Hence, highlights composed alumina ), copper (Cu) titania (TiO ). Besides, tackles complex involving multiple factors suction, conditions. Analyzing can provide valuable insights real-world phenomena where interact.

Language: Английский

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