Flow of an Oldroyd-B Fluid Impinging at a Finite Distance from the Axis of the Rotating Disk

Abstract

The present investigation is to analyze the three dimensional stagnation flow of an Oldroyd-B fluid over an off-centered rotating disk. The governing non-linear model and the boundary conditions coupled with it are reduced into ordinary differential equations by means of suitable similarity transformation. To estimate the solution analytically in the form of the infinite series homotopy analysis method is employed. The region of convergence for the solution achieved is also determined and displayed. The influence of various parameters on the velocities of the fluid on radial, azimuthal and induced directions of the flow is presented graphically and discussed.