Radiation and chemical reaction effects on the steady boundary layer flow of MHD Williamson fluid through porous medium toward a horizontal linearly stretching sheet in presence nanoparticles are investigated numerically. Adequate similarity transformations used to derive set nonlinear ordinary differential equations governing flow. The resultant nondimensionalized value problem is solved numerically by Runge–Kutta–Fehlberg fourth–fifth order method with Shooting technique. profiles for...

Purpose This study aims to numerically examine the influence of various geometric parameters a novel W-shaped porous cavity undergoing hybrid nanofluid-based magnetohydrodynamic mixed convection. The is modified from classical trapezoidal by constructing triangular shape at its bottom. isothermally active bottom, with different numbers and heights peak (or undulation). heated nanofluid (Cu–Al 2 O 3 –H O) flow cooled through translating top wall. Inclined sidewalls are thermally insulated. To...

In this work, an attempt has been made to explore numerically the thermo-fluidic transport process in a novel M-shaped enclosure filled with permeable material along Al2O3-Cu hybrid nanoparticles suspended water under influence of horizontal magnetizing field. To exercise geometric parameters, classical trapezoidal cavity is modified inverted triangle at top construct cavity. The heated isothermally from bottom and cooled top, whereas inclined sidewalls are insulated. role parameters on...

Purpose This study aims to investigate the impact of different heater geometries (flat, rectangular, semi-elliptical and triangular) on hybrid nanofluidic (Cu–Al 2 O 3 –H O) convection in novel umbrella-shaped porous thermal systems. The system is top-cooled, identical surfaces are provided centrally at bottom identify most enhanced configuration. Design/methodology/approach thermal-fluid flow analysis performed using a finite volume-based indigenous code, solving nonlinear coupled transport...

The investigation of the nonlinearly expanding surface using Casson model has been conducted, with a focus on unique mixture known as hybrid nanofluid. This specific nanofluid consists blood suspended copper and Al 2 O 3 oxide. distinct shape nanoparticles enables swift mobility within nanofluid, accelerating their movement. We derived novel set similarity transformations, where variable is dimensionless appears in formulation function all independent variables. Runge-Kutta Fehlberg 4–5 th...

Free convection heat transfer due to the simultaneous action of buoyancy, radiation and transverse magnetic field is investigated for a semi‐infinite vertical plate. Solutions are derived by expanding stream function temperature into series in terms parameter ζ = x 1/2 L –1/2 , where length Velocity functions shown on graphs numerical values affecting shear stress rate entered table. The effects λ F these discussed.

A boundary layer analysis is presented for the natural convection past a horizontal plate in porous medium saturated with nano fluid. Numerical results friction factor, surface heat transfer rate and mass have been parametric variations of buoyancy ratio parameter Nr, Brownian motion Nb, thermophoresis Nt Lewis number Le. The dependency (Nusselt number) on these parameters has discussed.

Nanofluid refers to a liquid containing dispersion of submicronic solid particles or nanoparticles. Nanofluids display thermal conductivity enhancement. This phenomenon suggests the possibility using nanofluids in electronic cooling and advanced nuclear systems. In this article, boundary layer analysis is presented for natural convection past nonisothermal vertical plate porous medium saturated with nanofluid. Numerical results friction factor, surface heat transfer rate, mass rate are...

Abstract A boundary layer analysis is presented for the mixed convection past a vertical wedge in porous medium saturated with nano fluid. The governing partial differential equations are transformed into set of non-similar and solved numerically by an efficient, implicit, iterative, finite-difference method. parametric study illustrating influence various physical parameters performed. Numerical results velocity, temperature, nanoparticles volume fraction profiles, as well friction factor,...

The problem of conjugate effects heat and mass transfer over a moving/stationary vertical plate has been studied under the influence applied magnetic field, thermal radiation, internal generation/absorption first order chemical reaction. fluid is assumed to be electrically conducting water based Cu-nanofluid. Tiwari Das model used nanofluid, whereas Rosseland approximation for radiation effect. Unified closed form solutions are obtained governing equations using Laplace transform method....

A theoretical investigation of the hydromagnetic three-dimensional boundary layer flow nanofluid due to stretching sheet has been carried out in presence a non-linear thermal radiation, Soret and Dufour effects. Three different types water-based nanofluids containing copper, aluminium oxide titanium dioxide are taken into consideration. The governing equations transformed set similarity using three dimensional type transformations. resultant numerically solved by employing...

The purpose of this study is to investigate the unsteady magnetohydrodynamic three-dimensional flow induced by a stretching surface. An incompressible electrically conducting Eyring-Powell fluid fills convectively heated surface in presence nanoparticles. effects thermal radiation, viscous dissipation and Joule heating are accounted heat transfer equation. model used for nanofluid includes Brownian motion thermophoresis. highly nonlinear partial differential equations reduced ordinary with...

Present study explores the discussion on combined effects of Joule heating and viscous dissipation a three-dimensional flow Oldroyd B nanofluid. The model describes that is generated by bidirectional stretching sheet with thermophoresis Brownian motion also energy equation contain radiation term. Converted self similar equations are solved via shooting algorithm RKF 45 method. influences discussed through graphs. It noticed combination heating, temperature nanofluid profile increases.

The main emphasis of the present study is to discuss effect chemical reaction on flow, heat, and mass transfer Williamson nanofluid over a stretching sheet. flow considered under influence nonlinear thermal radiation. To obtain numerical results, governing equations have been reduced set ordinary differential using appropriate similarity transformations. An efficient Runge-Kutta-Felhberg 45 order method along with shooting technique used get required solutions. accuracy verified existing...

Magnetohydrodynamic natural convection flow and heat transfer in a square porous cavity differentially heated cooled by source sink, respectively, filled with the –water hybrid nanofluid is studied numerically. The active parts of left right side walls are maintained at temperature, top bottom hot temperature. enclosure's inactive its kept insulated. governing equations two-dimensional space discretized using finite difference methodology. A proper upwinding scheme employed to obtain...