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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Effects of magnetohydrodynamics and velocity slip on mixed convective flow of thermally stratified ternary hybrid nanofluid over a stretching/shrinking sheet

Case Studies in Thermal Engineering, Journal Year: 2024, Volume and Issue: 55, P. 104161 - 104161

Published: Feb. 22, 2024

This paper undertakes a numerical exploration into the dynamics of fluid flow and heat transfer within stagnation region mixed convection scenario involving thermally stratified ternary hybrid nanofluid. The study incorporates impact magnetohydrodynamic velocity slip, while also considering permeable sheet that can stretch or shrink. equations governed problem are transformed similarity using transformation. Then solved utilizing built in solver (bvp4c) MATLAB. has two solutions, as expected. Following that, outcomes stability analysis show viability physical robustness first solution. Additionally, identifies magnetic, suction, volume fraction parameters capable delaying turbulence onset boundary layer. Moreover, transmission nanofluid is enhanced by an increased fraction. It important to note reported results specifically pertain combination alumina, copper, titania nanoparticles. Different combinations nanoparticles may exhibits unique properties related both behaviour transmission.

Language: Английский

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Mechanism of heat transfer in Falkner–Skan flow of buoyancy-driven dissipative hybrid nanofluid over a vertical permeable wedge with varying wall temperature

Modern Physics Letters B, Journal Year: 2023, Volume and Issue: 38(01)

Published: Aug. 14, 2023

Heat transport issues of wedge-shaped flow on hybrid nanofluids are special significance by reason their importance in manufacturing uses including heat exchangers solar panels, electronic equipment cooling, drying processes, and air heaters. Consequently, the current investigation investigates behavior dissipative Single-walled Carbone nanotubes (SWCNT) — Multi-walled Carbon (MWCNT) nanofluid buoyant towards a radiative vertical permeable wedge subjected to variable wall temperature considering source/sink. By selecting appropriate similarity conversions, resultant regulating nonlinear boundary layer PDEs subsequently transformed into coupled ODEs. After that, Boussinesq approximations numerically resolved. The significant outcome is which higher for linear radiation, volume fraction, uniform source parameters. momentum controlled with angle fraction nanotube particles. upsurged mixed convection parameters an assisting flow. Changes Nusselt number fluid rate measured flow-controlling Furthermore, results compared effectively validated previously reported literature results.

Language: Английский

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A numerical study on model-based comparative analysis for MHD Magnetite (Fe3O4) and Cobalt Ferrite (CoFe2O4) flow past a heated shrinking Riga surface with radiative heat flux

Journal of Magnetism and Magnetic Materials, Journal Year: 2023, Volume and Issue: 586, P. 171212 - 171212

Published: Sept. 9, 2023

Language: Английский

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Induced flow and heat transfer due to inner stretching and outer stationary coaxial cylinders

International Communications in Heat and Mass Transfer, Journal Year: 2023, Volume and Issue: 146, P. 106903 - 106903

Published: June 26, 2023

Language: Английский

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Numerical simulation of hybrid nanofluid flow consisting of polymer–CNT matrix nanocomposites subject to Lorentz force and heat source/sink across coaxial cylinders

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

Published: May 10, 2024

The hybrid nanofluid (HNF) flow consists of polymer/CNT matrix nanocomposite material (MNC) across coaxial cylinders is numerically described in this study. HNF inspected under the consequences thermal radiation, exponential heat source/sink and viscous dissipation. prepared by adding MNC water. MNCs are highly productive elements with unique designs properties. widely used biomedicine electrical applications due to their exceptional thermophysical Based on exceptionally high conductivity, CNT/polymer nanoparticles (NPs) also utilized as shielding for electrostatic discharge electromagnetic interference (EMI). modeled help energy, continuity, momentum equations. MATLAB package bvp4c handle It has been perceived that intensifying numbers will lessen fluid velocity temperature profile cases both HNF.

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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Optimizing heat transfer rate and sensitivity analysis of hybrid nanofluid flow over a radiating sheet: Applications in solar-powered charging stations

Numerical Heat Transfer Part B Fundamentals, Journal Year: 2024, Volume and Issue: unknown, P. 1 - 21

Published: April 18, 2024

In a solar collector system, absorbing radiation through panel and transforming it into heat, the role of nanofluid is vital. However, combined effect CuO Cu water hybrid efficiently carries fascinated heat away from collector. Further, helps improve in efficiency thermal system by enhancing transfer losses. Based upon advanced properties, study aims at behavior conducting comprised nanoparticles nonlinear stretching surface filled with porous matrix. Essentially, use dissipative convective boundary conditions are important properties. The assemble diversified similarity rules useful for transformation governing equations dimensionless form. numerical technique help built-in function bvp4c MATLAB employed solution designed model equipped different constraints. A robust statistical analysis i.e. response methodology (RSM) variance (ANOVA) used to optimize rate. Sensitivity associated factors united obtained presented briefly. Finally, parametric describe following pattern graph. outcomes are; enhanced volume fraction augments fluid velocity as well temperature significantly. Thermal has influential transport phenomenon nanofluid.

Language: Английский

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Radiative nanofluid flow over a slender stretching Riga plate under the impact of exponential heat source/sink

Open Physics, Journal Year: 2024, Volume and Issue: 22(1)

Published: Jan. 1, 2024

Abstract Recognizing the flow behaviours across a Riga plate can reveal information about aerodynamic efficiency of aircraft, heat propagation, vehicles, and other structures. These data are critical for optimizing design lowering drag. Therefore, purpose current analysis is to examine energy mass transfer mixed convective nanofluid flows over an extending plate. The fluid deliberated under influences viscous dissipation, exponential source/sink, activation energy, thermal radiation. Buongiorno’s concept utilized thermophoretic effect Brownian motion along with conditions. modelled simplified into lowest order by using similarity transformation. obtained set non-dimensional ordinary differential equations then numerically solved through parametric continuation method. For accuracy validation outcomes, results compared existing studies. From graphical analysis, it be observed that velocity boosts rising values divider thickness parameter. temperature also improves Biot number, Eckert source factor. Furthermore, sink factor drops temperature.

Language: Английский

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Optimization of heat transfer in bi-directional flow of sodium alginate-based ternary hybrid nanofluid over an extending heated surface with velocity slip conditions

Journal of Thermal Analysis and Calorimetry, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 11, 2025

Language: Английский

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