Couette flow of a Bingham plastic in a channel with equally porous parallel walls |
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| Authors: | Sokrates Tsangaris Christos Nikas Grigorios TsangarisPanagiotis Neofytou |
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| Institution: | 1. School of Mechanical Engineering, Fluids Section, National Technical University of Athens, Zografou, 15773 Athens, Greece;2. Environmental Research Lab., INT-RP, National Centre for Scientific Research “Demokritos”, Agia Paraskevi, 15310 Athens, Greece |
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| Abstract: | In the present paper the flow of a Bingham fluid between two parallel porous walls is studied. One of the walls moves with constant velocity parallel to the other, which is fixed, while a longitudinal pressure gradient exists, as well as a transverse flow field due the porosity of the walls. An exact analytical solution is given for the u-velocity field, which has four different forms depending on the values of the three dimensionless parameters, which are the Bingham, Couette and Reynolds numbers. |
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| Keywords: | Bingham plastic Analytical solution CFD Porous boundary |
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