Flow Over a Dentated Sill in an Open Channel

by Walter Rand,

Serial Information: Journal of the Hydraulics Division, 1966, Vol. 92, Issue 5, Pg. 135-153

Document Type: Journal Paper


An investigation of a flow transition in an open channel consisting of a forced hydraulic jump which is controlled by a dentated sill and of a nonuniform flow reach downstream of the sill, is reported. The flow and its boundaries are described by six dimensionless variables. The relationships among the variables are given by graphs based on experimental data. The boundary values for the flow are defined. The investigated flow is compared to a flow transition controlled by a continuous sill. The results are applicable to the design of hydraulic jump stilling basins.

Subject Headings: Flow control | Nonuniform flow | Open channel flow | Reefs and sills | Open channels | Hydraulic design | Hydraulic jump | Domain boundary

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