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1 Mechanics and Mechanical Engineering

1 2004

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Oscillatory non-Newtonian viscoelastic fluid flow past a porous bed

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Eldabe N. T. M. , Sallam S. N. , Ghaly A. Y.

2004

tom Vol. 7, nr 2

131-144

An analytical study has been performed to evaluate the flow of viscoelastic fluid through and past an infinite porous bed. A most general form of Darcy law has been taken into account when the free stream oscillates with or without a non-zero mean. In modeling the flow in the bed a separation of variable technique was utilized to represent the governing equations with appropriate boundary layer assumption. The effect of flow inertia was taken into consideration. Results obtained include velocity distributions of the fluid in the bed. The dependence of velocity profile on elasticity parameter of the fluid and permeability parameter of the medium with the variation of the time and position was also obtained and discussed graphically.