A comparative study of three dimensional flow of Casson–Williamson nanofluids past a riga plate: Spectral quasi-linearization approach

Akolade, Mojeed T.; Tijani, Yusuf O.

doi:10.1016/j.padiff.2021.100108

Cited by 47 publications

(16 citation statements)

References 43 publications

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“…Under the above assumptions, the usual Boussinesq's approximation, the governing equations (continuity, momentum, energy, concentration) accordingly (see Akolade and colleagues 10,17,[44][45][46] ).…”

Section: Model Formulation Analysismentioning

confidence: 99%

“…Sharada and Shankar 8 examined joule heating, partial slip, and convective boundaries conditions on the magnetohydrodynamic (MHD) flow of Williamson fluid. Recently, Raju et al 9 and Akolade and Tijani 10 highlighted graphically the viscosity variation between Casson and Williamson fluid.…”

Section: Introductionmentioning

confidence: 99%

“…Conventionally, an external magnetic field can dominate the flow of largely electrically conducting fluids, but in weakly electrical conducting fluids, the applied magnetic field induces very little current. 10 To demonstrate this theory, Kumar et al 11 presented a chemical reactive and nonlinear radiative flow of non-Newtonian nanofluid over an elongating Riga surface. Loganathan and Deppa 12 discuss the impact of thermal radiation over a melting surface conveying non-Newtonian fluid.…”

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confidence: 99%

“…This study interest has applications in hot rolling, food processing, and wire drawing to mention a few. 15 In this regard, Akolade et al 10,[26][27][28][29] examined the Casson fluid motion with variable thermophysical properties in different flow geometry. Akinbobola and Okoya, 30 Fatunmbi and Fenuga 31 presented the variable thermophysical analysis in second grade and micropolar fluid, respectively, for which both the Newtonian and non-newtonian hydromagnetic fluids have a direct or reverse relation between viscosity and temperature.…”

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confidence: 99%

“…However, the result portrays the same effect for the two instances of the heat models (sink and source). 10,12,17,18,44,45 were assumed constant throughout the flow examination else otherwise stated. At this juncture, it is mentionable that Q > 0 and Q < 0 correspond to heat source and sink, respectively.…”

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confidence: 99%

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Thermophoretic movement, heat source, and sink influence on the Williamson fluid past a Riga surface with positive and negative Soret‐Dufour mechanism

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This study investigates the boundary layer motion of Williamson fluid over an electromagnetic with thermophoretic movement, variable thermal conductivity and viscosity, nonlinear radiation, and ± $\pm $Soret‐Dufour influences. The real prediction of regional movement and temperature‐dependent properties of the non‐Newtonian fluids in real space (three‐dimensional [3D]) becomes imperative due to their numerous industrial, engineering, and biomedical use. This flow motion is induced as a result of the introduced mechanism (Riga plate) capable of controlling a weakly hydromagnetic flow. To actualize the aim of this study, the formulated governing partial differential equations conveying the flow model of Williamson fluid in a 3D sense are transformed to systems of ordinary differential equations (ODEs) via applicable similarity variables. The reduced systems of ODEs are solved numerically by the collocation approach. Therein, the Riga surface is seen preventing the heat source/sink impact on the flow fields, the thermophoretic impact indicates a more accumulation of Williamson fluid particles in the cold region thus resulting in higher fluid concentration. Thermal variability energizes the energy field positively, momentum boundary layer reduction prevails for higher Williamson number while heat source dominates the temperature field and heat sink showcases its ability to enhance the fluid concentration in contrast to the heat source.

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Section: Model Formulation Analysismentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

mentioning

confidence: 99%

mentioning

confidence: 99%

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confidence: 99%

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Thermophoretic movement, heat source, and sink influence on the Williamson fluid past a Riga surface with positive and negative Soret‐Dufour mechanism

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Nonsimilar solution of a boundary layer flow of a Reiner–Philippoff fluid with nonlinear thermal convection

et al. 2022

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The thermodynamics modeling of a Reiner-Philippofftype fluid is essential because it is a complex fluid with three distinct probable modifications. This fluid model can be modified to describe a shear-thinning, Newtonian, or shear-thickening fluid under varied viscoelastic conditions. This study constructs a mathematical model that describes a boundary layer flow of a Reiner-Philippoff fluid with nonlinear radiative heat flux and temperature-and concentration-induced buoyancy force. The dynamical model follows the usual conservation laws and is reduced through a nonsimilar group of transformations. The resulting equations are solved using a spectral-based local linearization method, and the accuracy of the numerical results is validated through the grid dependence and convergence tests. Detailed analyses of the effects of specific thermophysical parameters are presented through tables and graphs. The study reveals, among other results, that the buoyancy force, solute and thermal expansion coefficients, and thermal radiation increase the overall wall drag, heat, and mass fluxes.Furthermore, the study shows that amplifying the

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Numerical simulation of heat and mass transfers radiative–convective fluid flow on a stretching porous surface with temperature‐dependent thermophysical properties

2022

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This paper is focused on the analysis of heat and mass transfer radiative–convective fluid flow using quadratic multiple regression and numerical approach. The physical phenomenon is analyzed by utilizing partial differential equations (PDEs). Thermophysical properties, such as viscosity, thermal conductivity, and mass diffusivity, are varied and temperature‐dependent. This study is unique because of its applications in magnetohydrodynamic power accelerators, drilling operators, and bioengineering. The governing PDEs are transformed into coupled nonlinear ordinary differential equations (ODEs). The transformed ODEs are solved numerically using the spectral homotopy analysis method. Also, a quadratic multiple regression analysis is performed on quantities of engineering interest to show the significance of the flow parameters. It is observed that the heat and mass transfer process is affected by nonlinear buoyancy impact. The Lorentz force produced by the imposed magnetic field decline the thickness of the hydrodynamic boundary layer. Findings revealed that the nonlinear convective parameter and variable thermophysical properties are greatly affected by the rate of heat and mass transfer. Previously published work was used to validate the present one, which conformed with it. The slope of linear regression through data points is adopted to show the rate of change in skin friction, Nusselt, and Sherwood numbers during the flow phenomenon.

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A comparative study of three dimensional flow of Casson–Williamson nanofluids past a riga plate: Spectral quasi-linearization approach

Cited by 47 publications

References 43 publications

Thermophoretic movement, heat source, and sink influence on the Williamson fluid past a Riga surface with positive and negative Soret‐Dufour mechanism

Thermophoretic movement, heat source, and sink influence on the Williamson fluid past a Riga surface with positive and negative Soret‐Dufour mechanism

Nonsimilar solution of a boundary layer flow of a Reiner–Philippoff fluid with nonlinear thermal convection

Numerical simulation of heat and mass transfers radiative–convective fluid flow on a stretching porous surface with temperature‐dependent thermophysical properties

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