Control of the Hydraulic Jump by Sills

Abstract
The hydraulic jump is a phenomenon well known to hydraulic engineers as a useful method of dissipating excess energy and thereby preventing erosion below overflow spillways, chutes, and sluices. Violent turbulence inherent in the jump has also resulted in its use in mixing and aeration processes. The value of relevant data in the design of such processes has initiated many experimental investigations, so that the dimensions and characteristics of a hydraulic jump in a rectangular channel may be predicted within practical limits. Accordingly, the main difficulty in designing any structure whose functioning is dependent on the formation of a hydraulic jump lies in determining how to insure the formation of the jump and control its position, rather than in predicting its dimensions

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