Behavior of micro-polar flow due to linear stretching of porous sheet with injection and suction

Authors:
H. Bararnia;E. Ghasemi;G. Domairry;S. Soleimani
Affiliations:
Babol University of Technology, Department of Mechanical Engineering, P.O. Box 484, Babol, Iran;Babol University of Technology, Department of Mechanical Engineering, P.O. Box 484, Babol, Iran;Babol University of Technology, Department of Mechanical Engineering, P.O. Box 484, Babol, Iran;Babol University of Technology, Department of Mechanical Engineering, P.O. Box 484, Babol, Iran
Venue:
Advances in Engineering Software
Year:
2010

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Abstract

The boundary layer flow of a micro-polar fluid due to a linearly stretching sheet is investigated. The influence of various flow parameters like 'suction and injection velocity through the porous surface', 'viscosity parameter causing the coupling of the micro-rotation field and the velocity field' and 'vortex viscosity parameter' on 'shear stress at the surface', 'fluid velocity' and 'micro-rotation' are studied. The governing equations of the transformed boundary layer are solved analytically using homotopy analysis method (HAM). The convergence of the obtained series solutions is explicitly studied and a proper discussion is given for the obtained results. Comparison between the HAM and numerical solutions showed excellent agreement.