Abstract
When a rectangular side cavity section is installed to a relatively narrow open-channel flow, water surface oscillation is generated within the side cavity and main channel. However detailed experimental examinations of the three-dimensional flow field for these hydraulic structures have not been conducted so far. So we measured the three-dimensional local flow structure by applying the particle image velocimetry technique (PIV) to multiple vertical and horizontal cross-sections. Numerical analysis by three-dimensional large eddy simulation (LES) is also performed for comparison. It was made clear that the LES yields comparable results to the experiments in terms of the three-dimensional flow structure and surface oscillation.
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Schedule a callMore From: Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering)
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