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On the thermal boundary layer of a moving flat plate thermometer in the presence of Ohmic heating

Singh A. K., Chandran P., Sacheti N. C.

Applied Mechanics and Engineering

2000

Vol. 5, no 2

303-313

The energy aspect of the boundary layer flow due to Ohmic heating and frictional forces at a moving flat plate has been analyzed based on similarity transformations. The flow is assumed to take place in the presence of an externally applied transverse magnetic field. The velocity and temperature profiles in the boundary layer have been shown by numerically integrating the governing nonlinear ordinary differential equations. Furthermore, the variations of temperature, both close to and away from the boundary plate, have been illustrated graphically as a function of the Prandtl number. The effects of the dissipative processes on the skin friction and plate temperature have been discussed. The magnetic field increases both the skin friction and the wall temperature, whereas, for a fixed magnetic field, the effect of boundary motion is to decrease them.