Enhancing heat transfer in a high Hartmann number magnetohydrodynamic channel flow via torsional oscillation of a cylindrical obstacle

2012 ◽  
Vol 24 (11) ◽  
pp. 113601 ◽  
Author(s):  
Wisam K. Hussam ◽  
Mark C. Thompson ◽  
Gregory J. Sheard
Keyword(s):  
Heat Transfer ◽  
Channel Flow ◽  
Hartmann Number ◽  
Torsional Oscillation ◽  
Cylindrical Obstacle ◽  
Enhancing Heat Transfer ◽  
Magnetohydrodynamic Channel

The Influence of Wall Conductance on Magnetohydrodynamic Channel-Flow Heat Transfer

1964 ◽  
Vol 86 (4) ◽  
pp. 552-556 ◽  
Author(s):  
W. T. Snyder
Keyword(s):  
Heat Transfer ◽  
Electrical Conductivity ◽  
Channel Flow ◽  
Operating Conditions ◽  
Modes Of Operation ◽  
Electrical Loading ◽  
Finite Electrical Conductivity ◽  
Flow Heat ◽  
Magnetohydrodynamic Channel ◽  
Accelerator Modes

An analysis is made of the influence of finite electrical conductivity of the walls on fully developed magnetohydrodynamic channel-flow heat transfer. The analysis is based on arbitrary external electrical loading and is thus valid for both generator and accelerator modes of operation. Constant properties of the fluid and walls are assumed. It is shown that under certain operating conditions of external electrical loading, the fluid bulk to wall temperature difference for conducting walls differs substantially from that for electrically insulating walls. Representative numerical calculations are presented.

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