In this work, flow visualization experiments of cellular Stokes flows induced by rotation of a circular cylinder variously positioned inside channels of different shapes have been performed. Flow visualization experiments have been carried out inside wedge-shaped and rectangular channels. High quality visualization photographs have been presented. The inner cylinder is positioned at different locations inside these channels and many interesting flow patterns have been visualized. The shape of the separating streamline and recirculating eddies are clearly seen and compared for the channels.
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