<abstract xmlns="http://www.w3.org/1999/xhtml"><p>This article presents the study of three-dimensional, stagnation flow of a Powell-Eyring fluid towards an off-centered rotating porous disk. A uniform injection or suction is applied through the surface of the disk. The Darcy law of porous disk for Powell-Eyring fluid is also obtained. The governing partial differential equations and their related boundary conditions are converted into ordinary differential equations by using a suitable similarity transformation. The analytical solution, of the system of equations is solved by using homotopy analysis method. The convergence region of the obtained solution is determined and plotted. The effects of rotational parameter, porosity of the medium, the characteristics of the non-Newtonian fluid and the suction or injection velocity on the velocity distributions is shown by graphical representation.</p></abstract>

This article presents the study of three-dimensional, stagnation flow of a Powell-Eyring fluid towards an off-centered rotating porous disk. A uniform injection or suction is applied through the surface of the disk. The Darcy law of porous disk for Powell-Eyring fluid is also obtained. The governing partial differential equations and their related boundary conditions are converted into ordinary differential equations by using a suitable similarity transformation. The analytical solution, of the system of equations is solved by using homotopy analysis method. The convergence region of the obtained solution is determined and plotted. The effects of rotational parameter, porosity of the medium, the characteristics of the non-Newtonian fluid and the suction or injection velocity on the velocity distributions is shown by graphical representation.

Flow Analysis of Powell-Eyring Fluid Over an Off-Centered Porous Rotating Disk

Acta Universitatis Cibiniensis. Technical Series

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Flow Analysis of Powell-Eyring Fluid Over an Off-Centered Porous Rotating Disk"}

This article presents the study of three-dimensional, stagnation flow of a Powell-Eyring fluid towards an off-centered rotating porous disk. A uniform...

Flow Analysis of Powell-Eyring Fluid Over an Off-Centered Porous Rotating Disk

Published Online: Dec 26, 2018

Page range: 48 - 65

DOI: https://doi.org/10.2478/aucts-2018-0008

Keywords
Powell-Eyring fluid, porous disk, homotopy analysis method, Darcy’s law

© 2018 Najeeb Alam Khan et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Flow Analysis of Powell-Eyring Fluid Over an Off-Centered Porous Rotating Disk

Published Online: Dec 26, 2018

Page range: 48 - 65

DOI: https://doi.org/10.2478/aucts-2018-0008

KeywordsPowell-Eyring fluid, porous disk, homotopy analysis method, Darcy’s law

© 2018 Najeeb Alam Khan et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
Powell-Eyring fluid, porous disk, homotopy analysis method, Darcy’s law