Modern smart coating systems are increasingly exploiting functional materials which combine multiple features including rheology, electromagnetic properties and nanotechnological capabilities provide a range of advantages in diverse operations medical, energy transport designs (aerospace, marine, automotive). The simulation the industrial synthesis these multi-faceted coatings (including stagnation flow deposition processes) requires advanced mathematical models can address effects...

The ureter typically experiences a frequency of one to five peristaltic contractions per minute. However, it is important note that these can be disrupted by various physical and mechanical irritants. Ionic contents in the urine make electrically conducting responsive electromagnetic body forces. MHD deployed bio magnetic therapy control or mitigate symptoms associated with pumping urinary system. This article therefore focuses on hydromagnetic effects flow patterns debris (monoliths)....

A mathematical model is presented to analyze the mixed convective magnetohydrodynamic (MHD) flow of two different nanofluids within a cavity saturated with porous media. The Tiwari–Das model, along Maxwell and Brinkman formulations, adopted feature characteristics considered nanofluids. working fluids this investigation are aluminum oxide (Al2O3)-water copper (Cu)-water impacts viscous dissipation, internal heat generation/absorption, magnetic field, Joule heating examined in model. robust,...

A theoretical and numerical study is conducted on nonlinear, steady-state thermal convection boundary layer flow of a magnetized incompressible Tangent Hyperbolic non-Newtonian fluid from rotating cone to non-Darcy porous medium. Power-law variation in temperature the surface considered radiation heat transfer also present. The Brinkman-Darcy-Forchheimer model deployed for motivated by rotational (spin) coating with new emerging magnetic rheological polymers, process which often utilizes...

Motivated by emerging technologies in smart functional nanopolymeric coating systems pharmaceutical and robotics applications, the convective heat transfer characteristics swirl with a magnetic hybrid power-law rheological nanofluid polymer on radially stretching rotating disk are examined theoretically. An axial field is imposed. Copper (Cu) aluminium alloy (AA7075) nanoparticles sodium alginate (C 6 H 9 NaO 7 ) as base fluid considered, volume fraction model deployed. A non-Fourier...

Non-Newtonian nanofluids offer significant advantages in thermal enhancement a variety of applications including numerous areas engineering solar collectors and nano-coating manufacturing processes. When combined with porous media, yet further benefits can be gained for example flow heat transfer manipulation nano-rheological coating extrusion. Motivated by exploring this industrial application, to furnish deeper understanding the rheological nanoscale effects such fluids we examine steady...

A mathematical model is developed to simulate the steady, laminar exothermic reactive electromagneto-hydrodynamic combustible non-Newtonian natural convective transport in a vertical duct. Static uniform axial electrical field and transverse magnetic are imposed. The Frank-Kamenetskii thermal explosion theory utilized also Carreau fluid model, latter due its ability shear-thinning, Newtonian shear-thickening behaviour. duct contains homogenous, isotropic porous medium accomodate Forchheimer...

This analysis theoretically investigates the transport phenomena of mixed convection flows in an enclosure rectangular geometry saturated with a permeable medium filled electrically conducting nanofluid. An inclined magnetic field is taken into consideration. Buongiorno’s model utilized to characterize nanoliquid. The has adiabatic walls and hot slits. A uniform cold temperature maintained at enclosure’s lower upper walls. vertical are thermally insulated slits center kind on convective,...

Abstract Motivated by studying emerging nanofluid‐based magnetic fuel cells and hybrid direct absorber solar collectors, a numerical study is presented for buoyancy‐driven flow in vertical enclosure containing porous medium saturated with magnetized nanofluid under transverse static field. The features adiabatic side walls heat slits, ensuring consistent cold temperatures on the lower upper bounded walls. of regime are insulated, hot slits centrally located these finite difference method...

Motivated by emerging applications in bio-microfluidic devices, the present study rigorously examines generalized Taylor–Gill hydrodynamic dispersion of a point source solute injected into microchannel, influenced constant axial static electric field along channel and charged surface with different wall potentials. The engages first-order irreversible chemical reaction at both microchannel walls. By incorporating potentials absorptive coefficients lower upper walls, current transport model...

Magnetic nanoparticles are increasingly being deployed in smart coating systems due to their exceptional functionalities and abilities be tuned for specific environmental conditions. Inspired by the emergence of tri-hybrid magnetic nanofluids which utilize three distinct a single base fluid coating, present article examines analytically computationally swirl ternary hybrid nanofluid from rotating disk, as simulation spin deposition processes materials manufacturing. Owing high temperature...

Abstract Hybrid fuel cells are becoming increasingly popular in 21st century energy systems engineering. These combine multiple features including various geometries, electromagnetic fluids, bacteria (micro-organisms), thermo-solutal convection and porous media. Motivated by these developments the present work we simulate two-dimensional magnetohydrodynamic (MHD) natural triple flow a semi-trapezoidal enclosure saturated with electrically conducting water containing oxytactic microorganisms...

ABSTRACT The present work describes a numerical simulation of free convection heat transfer inside square cavity containing prismatic obstacle at various angles inclination. nondimensional governing equations are discretized by the finite element method and solved in commercial software “COMSOL Multiphysics 6.1” with appropriate boundary conditions. effect prominent parameters on streamline, isotherm contours, local Nusselt number profiles depicted graphically. control Prandtl Rayleigh (10 3...

ABSTRACT Increasing attention is being paid to the study of heat transfer properties non‐Newtonian fluids as a result their growing use in many industrial and manufacturing processes. Micropolar have garnered lot interest for potential uses because distinctive microstructures. Both viscoelastic microstructural characteristics fluid make it mimic several polymers. Motivated by magnetic polymer coating dynamics operations, this article, thermoconvective nonlinear, steady‐state boundary layer...

Motivated by simulating emerging hybrid designs in annular solar direct absorber collectors, a theoretical and numerical study of natural convection an porous medium collector is presented. An aspect ratio 2 considered where the geometry twice depth relative to diameter. The non-dimensional conservation equations for Newtonian fluid are solved axisymmetric coordinate system (R, Z) using COMSOL finite element platform, which uses Galerkin ormulation. optimized mesh designed following...

The water-based bioconvection of a nanofluid containing motile gyrotactic micro-organisms (moves under the effects gravity) over nonlinear inclined stretching sheet in presence nonuniform magnetic field has been investigated. This regime is encountered bio-nanomaterial electroconductive polymeric processing systems currently being considered for third-generation organic solar coatings, anti-fouling marine etc. Oberbeck–Boussinesq approximation along with ohmic dissipation (Joule heating)...

Motivated by exploring the near-wall transport phenomena involved in bioconvection fuel cells combined with electrically conducting nanofluids, present article, a detailed analytical treatment using homotopy analysis method (HAM) is presented of non-similar flow nanofluid under influence magnetic field (Lorentz force) and gyrotactic microorganisms. The induced stretching sheet action an oblique field. In addition, nonlinear radiation effects are considered which representative solar flux...

This article presents both a theoretical and numerical analysis of thermo-gravitational magnetic convection in electro-conductive Eringen micropolar fluids two-dimensional enclosure. The computational regime is bound with cold top, hot bottoms, adiabatic side walls. governing equations were transformed via scaled variables into dimensionless partial differential equations. A Finite volume method (FVM) used to get solution the regime. Validation FVM solutions included for non-magnetic special...