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Mathematical Problems in Engineering
Volume 2005, Issue 5, Pages 555-582
http://dx.doi.org/10.1155/MPE.2005.555

Heat transfer analysis on rotating flow of a second-grade fluid past a porous plate with variable suction

1Department of Mathematics, Quaid-i-Azam University, Islamabad 45320, Pakistan
2Department of Mathematical Sciences, COMSATS Institute of Information Technology, Plot no. 30, Sector H-8, Islamabad, Pakistan

Received 2 November 2004

Copyright © 2005 Hindawi Publishing Corporation. 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.

Abstract

We deal with the study of momentum and heat transfer characteristics in a second-grade rotating flow past a porous plate. The analysis is performed when the suction velocity normal to the plate, as well as the external flow velocity, varies periodically with time. The plate is assumed at a higher temperature than the fluid. Analytic solutions for velocity, skin friction, and temperature are derived. The effects of various parameters of physical interest on the velocity, skin friction, and temperature are shown and discussed in detail.