Ryoko Otomo

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The hydrodynamic effect on a thin particle layer, which moves relative to fluid by an external force, is investigated theoretically and numerically. Because of the presence of layer ends, the arrangement of particles in the layer is anisotropic and the drag force acting on them varies according to the position. The resulting relative motion of particles(More)
Mass transfer in porous media has been of interest to a number of researchers in the field of engineering. The transfer of substances is generally attributed to diffusion, convection of pore fluid and, in some cases, reaction with surfaces of porous media. It is difficult to understand owing to the great sensitivity to ambient conditions such as gravity,(More)
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