Impacts of nonuniform heat source or sink on MHD mixed convection along an exponentially stretching surface

2018 ◽  
Vol 19 (3) ◽  
pp. 185-193
Author(s):  
Prabhugouda Patil ◽  
Geeta Hadimani ◽  
A. Shashikant
Keyword(s):  
Heat Source ◽  
Mixed Convection ◽  
Stretching Surface ◽  
Exponentially Stretching Surface ◽  
Exponentially Stretching

Unsteady MHD mixed convection along an exponentially stretching surface

2018 ◽  
Vol 28 (12) ◽  
pp. 2769-2783 ◽  
Author(s):  
Prabhugouda Mallanagouda Patil ◽  
Shashikant A. ◽  
Ebrahim Momoniat
Keyword(s):  
Partial Differential Equations ◽  
Differential Equations ◽  
Heat Source ◽  
Mixed Convection ◽  
Stretching Surface ◽  
Partial Differential ◽  
Content Type ◽  
Buoyancy Flow ◽  
Exponentially Stretching Surface ◽  
Exponentially Stretching

Purpose This paper aims to investigate the unsteady mixed convection along an exponentially stretching surface in presence of transverse magnetic field applied at the wall and the opposing buoyancy flow. Design/methodology/approach The dimensional partial differential equations governing the flow field are transformed to non-dimensional coupled partial differential equations with the aid of suitable non-similar transformations. The resulting equations are then solved by the coalition of quasilinearization technique and the finite difference method. Findings Effects of volumetric heat source/sink, suction/blowing and other dimensionless parameters on velocity and temperature profiles are examined numerically. This investigation reveals that in presence of opposing buoyancy flow, the suction and volumetric heat source enhances the skin-friction coefficient, while the rise in the MHD increases the momentum boundary layer. Originality/value To the best of the authors’ knowledge, no such investigation has been carried out in the literature.

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