In the present study dealing with nanodrug delivery, nanofluid flow in a microchannel is considered. The nanofluid considered is a solid (aluminum oxide) - liquid (water) mixture. A transient 3-D problem of controlled nanodrug delivery has been numerically solved. The study has been carried out using ANSYS CFX Version 11.0. The velocity profile and dimensionless nanodrug concentration profile for different Reynolds number ratios were obtained at different axial stations along the length of the microchannel (z = 0.5, 5, and 10mm). Effect of particle size on drug uniformity has been investigated.
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