In this study, a new cavity form filled under constant magnetic field by Ag/MgO/H2O nanofluids and porous media consistent with natural convection total entropy is examined. The nanofluid flow considered to be laminar incompressible, while the advection inertia effect in layer taken into account adopting Darcy–Forchheimer model. problem explained dimensionless of governing equations solved finite element method. results values Darcy (Da), Hartmann (Ha) Rayleigh (Ra) numbers, porosity (εp),...

Heat is absorbed from radiations of the sun by a solar collector, concentrated, and then transmitted to an active nanofluid. The flow Casson nanofluid utilized in Parabolic Trough Solar Collector (PTSC) present analysis over infinite porous sheet. Ordinary differential equations are derived nonlinear form solved using suitable similarity transformation reducing into boundary conditions. Keller box method was employed solve system ODEs. Results for nanofluids Copper-engine oil (Cu-EO), as...

MHD Natural convection, which is one of the principal types convective heat transfer in numerous research exchangers and geothermal energy systems, as well nanofluids hybrid nanofluids. This work focuses on investigation evaluation inside a porous triangular cavity filled with silver-magnesium oxide/water nanofluid [H2O/Ag-MgO]hnf under consistent magnetic field. The laminar incompressible flow taken to account while Darcy-Forchheimer model takes advection inertia effect sheet. Controlled...

Objective of the present work is to explore fluidity and thermal performance Silver Magnesium oxide mixed water based hybrid nanofluid over penetrable hollow ampoule under magnetic influence. Effective thermophysical modelling has been adopted along with Darcy Forchheimer model engaged exclusively for inertia porosity layer. Governing equations were solved efficient Galerkin Finite Element Analysis (GFEM) outcomes scrutinized towards error tolerance 10−6. Parametrical study performed crucial...

The current article aims to discuss the natural convection heat transfer of Ag/Al2O3-water hybrid filled in an enclosure subjected a uniform magnetic field and provided with rotating cylinder inner undulated porous layer. various thermo-physical parameters are investigated such as Rayleigh number ([Formula: see text]), Hartmann nanoparticles concentration text]). Likewise, rotational speed well several characteristics related layer, examined li its porosity Darcy text]) which indicates...

Heat transfer in a symmetrical cavity with two semi-cylinders was explored this study. Several parameters, such as (103≤Ra≤106), (10−5≤Da≤10−2), (0.02≤ϕ≤0.08), (0.2≤ε≤0.8), and (0≤Ha≤100) were selected evaluated research. The outcome of the magnetic field temperature gradient on nanofluid flow is considered. geometric model therefore described using symmetry technique. issue for governing equations has been solved Galerkin finite element method (G-FEM), these solutions are presented...

This research presents a numerical investigation of the flow field and heat transfer Visco-plastic fluid, The Bingham-Papanastasiou model is used to examine forced convection Viscoplastic fluid between two concentric cylinders with wavy inner surface. By focusing on this particular configuration (wavy cylinder shape), where surface exhibits as hot wall while outer considered cold wall. numerically achieved by using Comsol Multiphysics, which based finite‐volume method, employing Galerkin’s...

This work explores numerically a computational study of free convection in grooved porous enclosure filled with water-based hybrid-nanoliquid the presence an external magnetic field. To solve governing equations problem, Galerkin finite element technique is utilized. For several parameters such as Rayleigh number (102≤Ra ≤106), field parameter (0≤Ha≤100), Darcy (10-2≤ Da ≤10-4) results are obtained and discussed via streamlines, isotherms average Nusselt number. The has good regulating...

Numerical simulation of MHD free convection in a two-dimensional trapezoidal cavity hybrid nanofluid has been carried out this research. The is heated sinusoidal from the bottom wall, and inclined walls are cooled while top wall isolated. (MgO-Ag/water) used as working fluid. numerical validated with past papers met good agreement. considered parameters range Rayleigh number (Ra= 103 to 106), Hartmann (Ha= 0 60) volume fraction (f= 0.02). results presented isotherms, stream functions, local...

In this study, a new cavity shape was filled with an extension multi-walled carbon nanotubes-Fe 2 O 3 /H nanofluid under constant magnetic field. The Darcy–Forchheimer model is used to account for the inertial impact of advection in porous layer while maintaining laminar and incompressible nature flow. dimensionless version governing equations describe issue finite element approach resolve it. Through complex geometry, various thermophysical factors such as Rayleigh number [Formula: see...

This examination aimed to mathematically investigate the blended convective intensity movement inside a three-layered nook that consolidates spinning roundabout chamber and an undulating permeable pit. Using limited component technique (FEM), mathematical reproductions were executed across different boundaries, enveloping Darcy number going from10−5to10−2 Hartmann (going from 0 100, angular velocity between − 4000 4000, of undulations in The results, addressed through stream capability,...

Fluidity and thermal transport across the triangular aperture with lower lateral inlet apply placed at vertical outlet of chamber which filled efficient TiO2-SiO2/water hybrid nanofluid under parametrical influence. Several parameters are tested like numbers Hartmann ([Formula: see text]), Richardson Reynolds text]) were critiqued through streamlines, isotherms, Nusselt number text]). Numerical model has to be developed solved Galerkin finite element method (GFEM) by discretized 13,569...

ABSTRACTThis study focuses on the analysis of conjugate natural convection heat transfer in a cavity filled with permeable medium. It specifically considers influence confined thermal non-equilibrium and presence circular solid walls partially active arcs. The also explores bifurcation at interface medium walls. A finite element approach is employed to solve governing equations for porous spaces, including matrices walls, represented as partial differential equations. These are transformed...

In this work, local thermal non-equilibrium effects are examined as they relate to conjugate natural convection heat transfer in a cavity filled with porous medium. The investigation also considers the rotation of central cylinder and undulation cavity's solid sides. Additionally, analysis includes consideration bifurcation occurring at interface between walls equations that govern behavior fluid within region for matrix mathematically expressed partial differential equations. To solve these...

In a cylindrical cavity, the convection and entropy of hybrid nanofluid were studied. We have introduced rectangular fin inside cylinder; temperature is at Th. The right waving wall cooled to Tc. upper lower walls are insulated. This study contains induction constant magnetic field. Galerkin finite element method (GFEM) utilized treat controlling equations obtained by giving Rayleigh number values between Ra (103-106) Hartmann ratio Ha (0, 25, 50, 100) Darcy ranging Da (10-2-10-5) porosity ε...

The present work focuses on the Magnetohydrodynamic free convection heat of Ag–water nanofluid involved in a porous C-shaped enclosure equipped with an undulated baffle. Various thermophysical parameters are investigated through this specific configuration, such as Rayleigh number , Hartmann Darcy porosity and nanoparticles concentration . calculations were carried out finite element method for Prandtl novelty paper was implementation inner baffle special shape inside cavity instead...

Abstract In process engineering as chemical and biotechnological industry, agitated vessels are commonly used for various applications; mechanical agitation mixing performed to enhance heat transfer improve specific Physico-chemical characteristics inside a heated tank. The research subject of this work is numerical investigation the thermo-hydrodynamic behavior viscoplastic fluid (Casson–Papanastasiou model) in stirred tank, with introducing new anchor impeller design by conducting some...

Several industrial fields require mixing and mechanical agitation processes. This operation is mainly used to enhance heat mass transfer inside stirred tank systems improve the degree of homogeneity obtain a high-quality final product. The main goal this research paper analyze thermal hydrodynamic behavior non-Newtonian nanofluid (Bingham–Papanastasiou–Al2O3) symmetrically tank. A 3D numerical study has been conducted for stationary laminar flow symmetric cylindrical vessel under influencing...

This study reveals that nano-refrigerants can improve the overall performance of these systems, particularly when used as nanoparticles in conjunction with a base refrigerant. The results show nano refrigerants outperform liquids warm conductivity, and size affects this conductivity. thickness shows vertical pattern volume particles increases, while it decreases temperature increases. Traditional models, such Hamilton-Crosser Einstein fail to accurately predict conductivity consistency...

Abstract The purpose of the current research is to inspect free convection nanofluid (Cu–water) within a hexagonal cavity containing square obstacle with isothermal vertical walls at <m:math xmlns:m="http://www.w3.org/1998/Math/MathML"> <m:msub> <m:mrow> <m:mi>T</m:mi> </m:mrow> <m:mi mathvariant="normal">h</m:mi> </m:msub> </m:math> {T}_{{\rm{h}}} and mathvariant="normal">c</m:mi> {T}_{{\rm{c}}} , insulated horizontal walls. aim this study analyze interaction between Rayleigh number (...