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Journal of Applied Mechanics and Technical Physics

2016 year, number 1

Entropy Generation Effects in a Hydromagnetic Free Convection Flow Past a Vertical Oscillating Plate

A. S. Butt, A. Ali
Quaid-i-Azam University, Islamabad, Pakistan
Keywords: энтропия, свободная конвекция, осциллирующая пластина, магнитное поле, entropy, free convection, oscillating plate, magnetic field


An unsteady free convective flow of a viscous fluid past an oscillating plate is considered, and the effects of entropy generation are investigated. The governing partial differential equations are normalized by using suitable transformations, and an exact solution of the problem is obtained by using the Laplace transformation technique. The expressions for the velocity and temperature are then used to compute the skin friction, Nusselt number, local entropy generation number, and Bejan number.