Effects of thermal radiation on Casson fluid flow and heat transfer over an unsteady stretching surface subjected to suction/blowing

doi:10.1088/1674-1056/22/11/114702

Abstract The unsteady flow of a Casson fluid and heat transfer over a stretching surface in presence of suction/blowing are investigated. The transformed equations are solved numerically by using the shooting method. The exact solution corresponding to the momentum equation for the steady case is obtained. Fluid velocity initially decreases with the increase of unsteadiness parameter. Due to an increasing Casson parameter the velocity field is suppressed. Thermal radiation enhances the effective thermal diffusivity and the temperature rises.

Keywords: unsteady flow Casson fluid stretching surface suction/blowing

Received: 17 January 2013
Revised: 28 March 2013
Accepted manuscript online:

PACS:	47.15.Cb	(Laminar boundary layers)
	44.20.+b	(Boundary layer heat flow)
	47.50.-d	(Non-Newtonian fluid flows)

Fund: Project supported by the Special Assistance Program, DSA Phase-1, UGC, New Delhi, India.

Corresponding Authors: Swati Mukhopadhyay
E-mail: swati_bumath@yahoo.co.in

Cite this article:

Swati Mukhopadhyay Effects of thermal radiation on Casson fluid flow and heat transfer over an unsteady stretching surface subjected to suction/blowing 2013 Chin. Phys. B 22 114702

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Effects of thermal radiation on Casson fluid flow and heat transfer over an unsteady stretching surface subjected to suction/blowing

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