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Mathematical Problems in Engineering
Volume 2012, Article ID 378259, 18 pages
Research Article

Axisymmetric Stagnation Flow of a Micropolar Nanofluid in a Moving Cylinder

1Department of Mathematics, Quaid-i-Azam University, Islamabad 44000, Pakistan
2Department of Mathematics, University of Central Florida, Orlando, FL 32816, USA
3School of Mechanical Engineering, Yonsei University, Seoul 120-749, Republic of Korea
4Department of Computational Sciences and Engineering, Yonsei University, Seoul 120-749, Republic of Korea

Received 5 August 2011; Accepted 1 November 2011

Academic Editor: J. Jiang

Copyright © 2012 S. Nadeem et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


An analysis is carried out for axisymmetric stagnation flow of a micropolar nanofluid in a moving cylinder with finite radius. The coupled nonlinear partial differential equations of the problem are simplified with the help of similarity transformations and the resulting coupled nonlinear differential equations are solved analytically by homotopy analysis method (HAM). The features of the flow phenomena, inertia, heat transfer, and nanoparticles are analyzed and discussed.