Sill-Controlled Flow Transitions and Extent of Erosionby Walter Rand, (M.ASCE), Prof.; Dept. of Civ. Engrg., The City Coll. of City Univ. of New York, NY,
Serial Information: Journal of the Hydraulics Division, 1970, Vol. 96, Issue 4, Pg. 927-939
Document Type: Journal Paper
Errata: (See full record)
Abstract: The distance is determined over which scour will develop downstream of a sill-controlled flow transition in an erodible open channel, in which the sediment motion is impending. This determination is based on the concept of dynamic similarity that makes it possible to relate the erosion length in an erodible channel to the total length of flow transition in a fixed-bed channel. Accordingly, prediction of the limiting extent of erosion becomes possible for a wide variety of sill-controlled flow transitions, including the cases present in the hydraulic jump stilling basins, and the natural hydraulic jump.
Subject Headings: Erosion | Sediment transport | Hydraulic jump | Scour | Rivers and streams | Open channel flow | Open channels
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