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Research Journal of Science and Technology
Year : 2017, Volume : 9, Issue : 4
First page : ( 569) Last page : ( 575)
Print ISSN : 0975-4393. Online ISSN : 2349-2988.
Article DOI : 10.5958/2349-2988.2017.00096.1

Convective conditions on magnetohydrodynamic flow over stretched cylinder with time and space dependent heat source or sink

Rao B. Madhusudhana1,*, Nagendramma V.2, Raju C.S.K.3, Leelaratnam A.2, Prakash P.4

1Lecturer in Mathematics, Higher College of Technology, Muscat, Oman-105

2Department of Mathematics, S.P.M.V.V, Tirupati, A.P

3Department of Mathematics, GITAM University, Bangalore Campus, K.A

4Research Scholar, Dept. of Mechanical Engineering, NIT Warangal, Warangal (Telangana), India

*Corresponding Author E-mail: madhusudhana@hct.edu.com

Online published on 12 June, 2018.

Abstract

The present study emphases steady boundary layer flow and heat transfer of a hyperbolic tangent fluid flowing over a vertical exponentially stretching cylinder in its axial directionwith non-uniform heat source/sink. Proposed mathematical model has a tendency to characterize the effect of the non-uniform heat source/sink. The non-linear ordinary differential equations are solved using the Runge-Kutta Feldberg (RKF) integration method. The characteristics of velocity and temperature boundary layers in the presence of Weissennberg number We are presented for different physical parameters such as heat source/sink parameter, Reynolds number Re, the Prandtl number Pr, the Weissennberg number We and the natural convection parameter, λ magnetic field parameter and porosity parameter. K Moreover, the friction factor coefficients, Nusselt number are also estimated and discussed for aforesaid physical parameters. In addition, the rate of heat transfer rate is higher in case of We=0.5 compared to We=O with n=0.2

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Keywords

Weissennberg number, stretching cylinder, non-uniform heat source/sink, non-Newtonian fluid.

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