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Estimating Velocity and Scour in River Bends

by D. C. Baird, Bureau of Reclamation, United States,
D. G. Achterberg, Bureau of Reclamation, United States,



Document Type: Proceeding Paper

Part of: Sediment Transport Modeling

Abstract:

A one-dimensional, steady-state, stream tube model was used to simulate hydraulic characteristics at a cross section. This enabled computation of higher velocities on the outside and lower velocities on the inside of a bend that compared favorably with measurements. The model was then used to compute channel velocities in cross sections for the design discharge. From these simulations, scour was computed and a new cross section predicted.

Subject Headings: Computer models | Simulation models | Scour | Rivers and streams | Mathematical models | Cross sections | Fluid velocity

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