International Journal of
Physical Sciences

  • Abbreviation: Int. J. Phys. Sci.
  • Language: English
  • ISSN: 1992-1950
  • DOI: 10.5897/IJPS
  • Start Year: 2006
  • Published Articles: 2569

Full Length Research Paper

Newtonian heating and magnetohydrodynamic effects in flow of a Jeffery fluid over a radially stretching surface

T. Hayat1,2, M. Awais1* and A. Alsaedi2
  1Department of Mathematics, Quaid-i-Azam University, 45320 Islamabad 44000, Pakistan. 2Department of Mathematics, Faculty of Science, King Abdulaziz University, P. O. Box. 80257, Jeddah 21589, Saudi Arabia.
Email: [email protected]

  •  Accepted: 26 April 2012
  •  Published: 31 May 2012

Abstract

 

The combined effects of Newtonian heating and magnetohydrodynamics (MHD) in a flow of a Jeffery fluid are analyzed in stagnation point flow over a radially stretching surface. The governing equations are modeled by invoking boundary layer analysis. The computed solution by a homotopy approach is valid in the spatial domain.  Graphical results for the velocity and temperature fields are displayed and discussed. The local Nusselt number for various values of embedding parameters is shown. It is noted that the magnetic field retards the flow, whereas Newtonian heating acts as a boosting agent in order to increase the temperature of the fluid.

 

Key words: Radially stretching surface, Newtonian heating, Jeffery fluid, magnetohydrodynamics (MHD).

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