Magnetized nanofluid flowing across an inclined microchannel with heat source/sink and temperature jump: Corcione’s model aspects DOI
G. K. Ramesh,

J. K. Madhukesh,

Pradeep N. Hiremath

et al.

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

Published: Dec. 4, 2024

This paper focuses on applying the Corcione model to microchannel. The is highly relevant because it provides accurate empirical relationships for forecasting dynamic viscosity and effective thermal conductivity of nanofluids. These qualities are crucial building improving different systems. presents discusses two simple correlating equations Hence aim this work use Corcione’s demonstrate fully developed laminar flow an electrically conducting nanoliquid through inclined energy equation takes into account physical impacts heat source/sink, temperature jamp, viscous dissipation. TiO 2 nanoparticles in water taken consideration enhanced cooling. Using numerical program Maple, Runge–Kutta–Fehlberg 4th–5th-order method utilized solve present research. Making graphs, all parameters shown, consequences profiles thoroughly examined. It noted that a higher angle enhances velocity profile whereas larger jump declines profile. Furthermore, often has greater velocities, temperatures, reduced surface drag forces than Tiwari–Das model.

Language: Английский

Sodium alginate-based MHD ternary nanofluid flow across a cone and wedge with exothermic/endothermic chemical reactions: A numerical study DOI

Vithal Singh,

N. B. Naduvinamani,

K. Vinutha

et al.

Numerical Heat Transfer Part A Applications, Journal Year: 2024, Volume and Issue: unknown, P. 1 - 20

Published: May 22, 2024

The use of magnetohydrodynamic ternary nanofluid flow for heat transfer is essential in various industrial and commercial applications. This work examines over cone wedge shapes with Sodium Alginate-based flow, considering the effects activation energy exothermic/endothermic processes. Using similarity transformations, controlling set partial differential equations converted into a network interconnected nonlinear ordinary equations. Numerical solutions using Runge-Kutta Fehlberg 4th 5th order method shooting approach offer insights several dimensionless factors. outcomes show that magnetic field parameter crucial lowering fluid velocity within more efficiently than wedge. Due to considerations, shape notably impacts transmission exothermic reactions, but geometry effective endothermic reactions. Concentration profiles rise fall increasing chemical reaction rates. rate thermal distribution 48.68% case 35.57% while mass higher geometry, about 7.83% 19.27% case. present study has many applications, including optimizing processes sectors such as systems, generation, electronics. Additionally, it may be used guide design magnetically affected systems provide assistance uses engineering.

Language: Английский

Citations

14
Computational analysis of nanoparticles and waste discharge concentration past a rotating sphere with Lorentz forces DOI Creative Commons

P. Nimmy,

Adebowale Martins Obalalu,

K.V. Nagaraja

et al.

Applied Rheology, Journal Year: 2024, Volume and Issue: 34(1)

Published: Jan. 1, 2024

Abstract As industries rely more and on magnetohydrodynamic (MHD) systems for different uses in power, production, management of the environment, it becomes essential to optimize these operations. The study seeks improve effectiveness productivity cooling structures, chemical reaction reactors, contaminant control methods by investigating intricate interconnections. Because this, work scrutinizes endothermic/exothermic (EN/EX) processes, convective boundary conditions, pollutant concentration impacts MHD nanofluid circulation around a rotating sphere. governing equations based above assumptions are reduced into system ordinary differential solved numerically with Runge–Kutta Fehlberg’s fourth- fifth- order schemes. obtained numerical outcomes from scheme presented aid graphs, results show that rate mass transfer decreases an increase external local source solid volume percentage. For changes values activation energy parameter fraction, thermal dispersion drops EN case upsurges EX case. profile shows increment addition variation parameter. present can be helpful equipment, developing advanced controlling pollution, environmental management, generators, various industrial contexts.

Language: Английский

Citations

7
MHD Casson flow over a solid sphere surrounded by porous material in the presence of Stefan blowing and slip conditions DOI Creative Commons
Amal Al-Hanaya,

Z. Z. Rashed,

Sameh E. Ahmed

et al.

Alexandria Engineering Journal, Journal Year: 2024, Volume and Issue: 103, P. 402 - 412

Published: Aug. 1, 2024

Flow around a solid sphere finds utility in numerous single- and two-phase engineering applications, such as sport balls, combustion systems, silt conveyance waterways, hydraulic conveying, pneumatic equipment, food chemical manufacturing. Therefore, this paper aims to examine the Casson nanofluids flow heat transfer over that is saturated an isotropic porous material presence of Stefan blowing slip conditions. The forced situation due stagnation point while surface subjected thermal Besides, various significant impacts are taken into account Lorentz force, radiation, source/sink, activation energy. solution technique based on non-similar transformations implicit finite difference method with Blottner algorithm. It remarkable that, for all values parameter, growth number reduces gradients velocity, temperature, nanoparticle concentration. Also, factor temperature distributions. Additionaly, increase either parameter or Darcy enhances both concentration diminishing. Furthermore, there improvement Nusselt up 50.57 % when magnetic varied from 0 6.

Language: Английский

Citations

5
Enhanced heat transfer using nanofluids: a fractional Prabhakar derivative approach for Brinkman-type fluids DOI

Muhammad Irfan Qadir,

Usman Majeed, Fakhrul Islam

et al.

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

Published: Feb. 8, 2025

Language: Английский

Citations

0
Enhancement of heat sink performance through undulated fins with lateral ribs, radiative nanofluid and uniform heat absorption via natural convection DOI

Mohamed Dhia Massoudi,

Mohamed Bechir Ben Hamida

International Journal of Numerical Methods for Heat &amp Fluid Flow, Journal Year: 2025, Volume and Issue: unknown

Published: April 14, 2025

Purpose One of the most significant fields research that academics are constantly pursue on is damage to electronic components caused by poor cooling processes using natural convection-based heat sinks. Researchers always working improve effectiveness sinks resolve this problem protect equipment and avoid their destruction. The shape configuration regarded as one critical variables influencing efficiency. Furthermore, with advances in technology, use radiative nanoparticles high thermal conductivity has become approved solutions problem. purpose study examine enhancement sink efficiency via convection within a rectangular enclosure outfitted bottom undulated fins provided lateral external ribs filled (graphene-water) nanofluid. contains uniform source absorption. impact buoyancy forces (Rayleigh number), strength magnetic field (Hartmann radiation graphene (radiation parameter), absorption (q*) solid fraction (f) performance have been widely researched. Design/methodology/approach This presents computational investigation COMSOL Multiphysics, which uses finite element method. Findings outcomes illustrate employment instead classic significantly enhances convective flow between 39.56%. In addition, providing laterally increases nanofluid 6.3%. occurrence effect encourages 36.48%. presence absorption, goes up 6.13%. A 3% produces highest increase. Originality/value current numerical aims based used cool devices adopting rather than first step. second step, border joined ribs, resulting new shape. fitted not examined yet. Thus, aimed appeal wide variety readers practical insights into optimizing for better management.

Language: Английский

Citations

0
Activation energy effect on magnetohydrodynamics Jeffery nanofluid flow due to motile cilia in a symmetric channel with modified Darcy’s law DOI
Nabil T. Eldabe,

Alaa Abuiyada

International Journal of Ambient Energy, Journal Year: 2025, Volume and Issue: 46(1)

Published: April 14, 2025

Language: Английский

Citations

0
Repercussions of Nanofluid Flow and Internal Heat Generation Radiation on a Spiral Porous Fin with Variable Thermal Conductivity DOI Creative Commons

Manohar R. Gombi,

S. Manu, P. Venkatesh

et al.

Partial Differential Equations in Applied Mathematics, Journal Year: 2025, Volume and Issue: unknown, P. 101211 - 101211

Published: April 1, 2025

Language: Английский

Citations

0
Analyzing the impact of non‐Newtonian fluid flow through an inclined microchannel with exponential space/temperature‐dependent effects DOI

A. Roja,

Mehboob Ul Hassan, Umair Khan

et al.

ZAMM ‐ Journal of Applied Mathematics and Mechanics / Zeitschrift für Angewandte Mathematik und Mechanik, Journal Year: 2025, Volume and Issue: 105(5)

Published: April 25, 2025

Abstract This study presents a novel investigation into the heat and mass transfer in fully developed Carreau fluid flow within an inclined microchannel. Unlike traditional analyses, this work considers combined effects of Hall current, space/temperature‐dependent properties, binary chemical reactions, radiative flux, offering more comprehensive understanding microchannel transport. To strengthen work, velocity slip convective boundary conditions are incorporated. By applying suitable transformation constraints, governing equations converted system ordinary differential equations, which subsequently solved using Runge–Kutta–Fehlberg fourth‐ fifth‐order method. The graphs provide detailed analysis impact physical parameters on concentration, temperature, velocity, providing new insights optimization systems. results show that thermal field is significantly enhanced with increase parameter, leading to overall improvement system's performance. It demonstrated concentration decreases reaction rate, while it increases activation energy, Additionally, drag force presence rate higher Biot number.

Language: Английский

Citations

0
Artificial neural network-based optimized thermal performances of hybrid nanofluid with shape features: A case study for mono nanofluid DOI
Sami Ullah Khan, Imen Safra, Muhammad Ishaq

et al.

Journal of Radiation Research and Applied Sciences, Journal Year: 2025, Volume and Issue: 18(2), P. 101540 - 101540

Published: April 27, 2025

Language: Английский

Citations

0
A Semi-Analytical Study on Boundary Layer Flow of Casson Nanofluid DOI

V. Ananthaswamy,

Chandra Mohan Gantha Lakshmi,

Sathyamoorthy Sivasankari

et al.

Journal of Advanced Research in Numerical Heat Transfer, Journal Year: 2025, Volume and Issue: 33(1), P. 48 - 75

Published: April 30, 2025

An approximate analytical inquiry is performed on the Magnetohydrodynamic flow of Casson nanofluid via a porous medium having changeable thickness and exhibiting viscous dispersion ohmic heating. The semi-analytical responses for non-dimensional velocity, dimensionless concentration, temperature are acquired by utilizing Modified Homotopy Analysis methodology. schematics distinct physical components, including shape, thickness, magnetic field Brownian motion factors model, illustrated with their implications. Also, skin friction factor, Nusselt number portrayed graphically provided numerically in tables. error percentage computed to establish efficiency precision strategy utilized. It discovered that increasing factor leads decreased temperature, increased concentration.

Language: Английский

Citations

0