Entropy optimization in cubic autocatalysis chemical reactive flow of Williamson fluid subjected to viscous dissipation and uniform magnetic field

2019 ◽  
Vol 26 (5) ◽  
pp. 1218-1232 ◽  
Author(s):  
M. Ijaz Khan ◽  
Sania Javed ◽  
Tasawar Hayat ◽  
M. Waqas ◽  
Ahmed Alsaedi
Keyword(s):  
Magnetic Field ◽  
Viscous Dissipation ◽  
Uniform Magnetic Field ◽  
Reactive Flow ◽  
Williamson Fluid ◽  
Entropy Optimization ◽  
Cubic Autocatalysis

Steady flow of MHD Williamson fluid due to a continuously moving surface with viscous dissipation and slip velocity

2019 ◽  
Vol 31 (01) ◽  
pp. 2050019
Author(s):  
Ahmed M. Megahed
Keyword(s):  
Magnetic Field ◽  
Heat Transfer ◽  
Friction Coefficient ◽  
Viscous Dissipation ◽  
Slip Velocity ◽  
Shooting Method ◽  
Skin Friction Coefficient ◽  
Surface Velocity ◽  
Williamson Fluid ◽  
Fluid Properties

This research attempts to draw a fuller understanding of the magnetohydrodynamic flow of Williamson fluid owing to a continuously moving permeable surface. A detailed illustration of the importance of the effects of viscous dissipation and the variable fluid properties phenomena are also given. Meanwhile, this work has also revived the interest of the slip velocity phenomenon. The success is met after formulating the thorough equations which describe this model, thus it is no longer difficult to get into the numerical solution for this model via the shooting method. By analogy, this interesting subject also stimulates us to pursue further details which can be obtained from both the drag force or the skin-friction coefficient and the rate of heat transfer. Based on our apparent results, the presence of magnetic field, suction phenomena and slip velocity was the reason to reduce the surface velocity. Also, the same parameters can serve as a helpful guide for governing the rate of heat transfer.

Surface of a magnetic fluid containing magnetizable bodies in an applied uniform magnetic field

2008 ◽  
Vol 44 (2) ◽  
pp. 175-182 ◽  
Author(s):  
K. Zimmermann ◽  
V.A. Naletova ◽  
I. Zeidis ◽  
V.A. Turkov ◽  
D.A. Pelevina ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Magnetic Fluid ◽  
Uniform Magnetic Field
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