Abstract
The authors explored the confining wall’s effect on sedimentation of permeable rigid isolated semi-torus particle submerged in incompressible, Newtonian, viscous fluid in a 2D rectangular fluid domain. The immersed boundary method (IBM) was used to conduct numerical studies of the related problem. It was noticed that by increasing the permeability of the structure immersed in the fluid, their corresponding settling(terminal) velocity also increases. Another important finding was that confining walls enforce an extra hindering effect on sedimenting particle, which concludes that terminal velocity of the particle decreases when the gap between the confining walls decreases.
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