scholarly journals MHD boundary layer stagnation point flow of non-Newtonian Micropolar Nanofluid flow over a permeable vertical plate with chemical reaction effects

2017 ◽  
Vol 29 (12) ◽  
pp. 554-568
Author(s):  
S. JAGADHA ◽  
◽  
N. KISHAN ◽  
Keyword(s):  
Boundary Layer ◽  
Stagnation Point ◽  
Chemical Reaction ◽  
Vertical Plate ◽  
Stagnation Point Flow ◽  
Nanofluid Flow ◽  
Micropolar Nanofluid ◽  
Mhd Boundary Layer

Effects of Partial Slip on Chemically Reactive Solute Distribution in MHD Boundary Layer Stagnation Point Flow Past a Stretching Permeable Sheet

2015 ◽  
Vol 13 (1) ◽  
pp. 29-36 ◽  
Author(s):  
Swati Mukhopadhyay
Keyword(s):  
Boundary Layer ◽  
Differential Equations ◽  
Stagnation Point ◽  
Free Stream ◽  
Free Stream Velocity ◽  
Stagnation Point Flow ◽  
Partial Slip ◽  
Stream Velocity ◽  
Slip Parameter ◽  
Mhd Boundary Layer

Abstract This paper presents the magnetohydrodynamic (MHD) boundary layer stagnation point flow with diffusion of chemically reactive species undergoing first-order chemical reaction over a permeable stretching sheet in presence of partial slip. With the help of similarity transformations, the partial differential equations corresponding to momentum and the concentration equations are transformed into non-linear ordinary differential equations. Numerical solutions of these equations are obtained by shooting method. It is found that the horizontal velocity increases with the increasing value of the ratio of the free stream velocity and the stretching velocity. Velocity decreases with the increasing magnetic parameter when the free-stream velocity is less than the stretching velocity but the opposite behavior is noted when the free-stream velocity is greater than the stretching velocity. Due to suction, fluid velocity decreases at a particular point of the surface. With increasing velocity slip parameter, velocity increases when the free-stream velocity is greater than the stretching velocity. But the concentration decreases in this case. Concentration decreases with increasing mass slip parameter.

Stagnation Point Flow of Burgers' Fluid and Mass Transfer with Chemical Reaction and Porosity

2013 ◽  
Vol 29 (3) ◽  
pp. 453-460 ◽  
Author(s):  
A. Alsaedi ◽  
F. E. Alsaadi ◽  
S. Ali ◽  
T. Hayat
Keyword(s):  
Boundary Layer ◽  
Mass Transfer ◽  
Stagnation Point ◽  
Chemical Reaction ◽  
Nonlinear Ordinary Differential Equation ◽  
Stagnation Point Flow ◽  
Shrinking Sheet ◽  
Surface Mass ◽  
Flow Equations ◽  
Burgers Fluid

AbstractThis paper studies the influence of mass transfer in the magnetohydrodynamic (MHD) boundary layer stagnation point flow of Burgers' fluid over a shrinking sheet. Analysis has been carried out in the presence of first order chemical reaction. The two-dimensional flow equations are modeled and then simplified using boundary layer approach. Similarity variables are used to transform the partial differential equations into nonlinear ordinary differential equation. The resulting system is computed using homotopy analysis method (HAM). It is noted that retardation time in Burgers' fluid enhances the magnitude of the flow. The gradient of mass transfer and surface mass transfer for various interesting parameters are also tabulated and analyzed.

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