Abstract
In this exploration, a double stratified mixed convective flow of couple stress nanofluid past an inclined stretching cylinder using a Cattaneo-Christov heat and mass flux model is considered. The governing partial differential equation of the boundary layer flow region is reduced to its corresponding ordinary differential equation using a similarity transformation technique. Then, the numerical method called the Galerkin finite element method (GFEM) is applied to solve the proposed fluid model. We performed a grid-invariance test or grid-convergence test to confirm the convergence of the series solution. The effects of the different noteworthy variables on velocity, temperature, concentration, local skin friction, local Nusselt number, and local Sherwood number are analyzed in both graphical and tabular forms. We have compared our result with the existing results in the literature, and it is shown that GFEM is accurate and efficient. Moreover, our result shows that the velocity field is retarded when the angle of inclination enhances and the heat transfer rate is reduced with larger values of the curvature of the cylinder.
Highlights
Most recently, the investigation of fluid flow around a stretching cylinder has gained much consideration by different scholars
The investigation of fluid flow around a stretching cylinder has gained much consideration by different scholars. This is due to the fact that many industrial applications like geothermal power generation, spinning of fiber, drilling operations, and plastic sheet extrusion may grip the boundary layer flow around the stretching cylinder
The boundary layer flow of a nanofluid past a permeable stretching cylinder is analyzed by Hayat et al [2]
Summary
The investigation of fluid flow around a stretching cylinder has gained much consideration by different scholars. A dual stratification effect on a mixed convection flow of the non-Newtonian fluid (Eyring-Powell) past an inclined cylinder with heat generation/absorption is reported by Rehman et al [5]. They employed a shooting technique with the fifth-order Runge-Kutta scheme to solve the coupled differential equations. From the above brief investigation, it has been noticed that the problem of the double stratified mixed convection couple stress nanofluid flow past an inclined cylinder with the Cattaneo-Christov heat and mass flux model has not been yet considered. We employed the influential numerical method for solving engineering and fluid dynamics problems called the Galerkin finite element method carried out in equations (20)–(29) to solve coupled nonlinear differential equations governing the boundary layer flow
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