Abstract
Turbulent flow in a curved open channel has been investigated by PIV experiments. The curved channel model retains some geometrical features of a small curved river in Nara prefecture and is conceived for modeling the accumulation of contamination in canals or small-scale rivers. The PIV experiments are focused on the cross sectional flows in stream-wise and transverse directions which, respectively, give rise to primary and secondary vortex motions under the influence of the centrifugal force.
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