Abstract
Scour is a characteristic marvel caused because of the erosive activity of flowing stream on alluvial beds which expels the silt around or close structures situated in streaming water. In this paper, an experimental study was directed to foresee the impact of oriented vanes introduced on level stilling basin downstream a sluice gate on bed material planning to limit the local geometry of scour and silting. The considered shape in this exploration is easy to be utilized as an additional component to be implemented on the stilling basin of any current water structures. Two hundred and sixty runs were executed using 10 models of stilling basins considering different heights and angles of vanes under various flow conditions including the discharges and tail gate water depths. An instance of level floor without vanes was incorporated into the test program to foresee the impact of vanes establishment. The experimental outcomes were accounted for 2 distinctive bed materials. Results were analyzed and graphically introduced. Simple formulas were given to estimate the geometry of the local scour and silting.
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