Abstract
The expanding applications of viscoelastic fluids in biomedical engineering and industrial processes require proper under and physical insights into the flow phenomena of the fluids. In this work, simultaneous effects of slip and magnetic field on the flow of an upper convected Maxwell (UCM) nano fluid through a permeable micro channel embedded in porous medium are analyzed using homotopy analysis method. The results of the approximate analytical solution depict very good agreements with the results of the fifth-order Runge-Kutta Fehlberg method (Cash-Karp Runge-Kutta) coupled with shooting methodfor the verification of the mathematical method used in analyzing the flow. Thereafter, the obtained analytical solutions are used to investigate the effects of pertinent rheological parameters on flow. It is observed from the results that increase in slip parameter, nano particle concentration and Darcy number lead to increase in the velocity of the upper-convected Maxwell fluid while increase in Deborah’s, Hartmann, and Reynold numbers decrease the fluid flow velocity towards the lower plate but as the upper plate is approached a reverse trend is observed. The study can be used to advance the application of upper convected Maxwell flow in the areas of in biomedical, geophysical and astrophysics.
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