Effects of Magnetic Field on Entropy Generation in Flow and Heat Transfer due to a Radially Stretching Surface

doi:10.1088/0256-307X/30/2/024701

Chin. Phys. Lett.

2013, Vol. 30

Issue (2): 024701 DOI: 10.1088/0256-307X/30/2/024701

FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS)

Effects of Magnetic Field on Entropy Generation in Flow and Heat Transfer due to a Radially Stretching Surface

Adnan Saeed Butt^*, Asif Ali

Department of Mathematics, Quaid-I-Azam University 45320, Islamabad 44000, Pakistan

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Adnan Saeed Butt, Asif Ali 2013 Chin. Phys. Lett. 30 024701

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Abstract We investigate the effects of magnetic field on the entropy generation during fluid flow and heat transfer due to the radially stretching surface. The partial differential equations governing the flow and heat transfer phenomenon are transformed into nonlinear ordinary differential equations by using suitable similarity transformations. These equations are then solved by the homotopy analysis method and the shooting technique. The effects of the magnetic field parameter M and the Prandtl number Pr on velocity and the temperature profiles are presented. Moreover, influence of the magnetic field parameter M and the group parameter Br/Ω on the local entropy generation number Ns as well as the Bejan number Be are inspected. It is observed that the magnetic field is a strong source of entropy production in the considered problem.

Received: 19 October 2012 Published: 02 March 2013

PACS:	47.15.Cb	(Laminar boundary layers)
	44.20.+b	(Boundary layer heat flow)

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https://cpl.iphy.ac.cn/10.1088/0256-307X/30/2/024701 OR https://cpl.iphy.ac.cn/Y2013/V30/I2/024701

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	Adnan Saeed Butt
	Asif Ali

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