The Effects of Velocity on Scour

by Emmett M. Laursen, Univ of Arizona, United States,
Adnan J. Alawi, Univ of Arizona, United States,



Document Type: Proceeding Paper

Part of: Sediment Transport Modeling

Abstract:

Four effects of 'velocity' on scour are discussed: clear-water scour, scour by light sediment-transporting flow, mode of movement, and kinetic terms included in the definition of scour. The first three are related to flow parameters and sediment size rather than simply velocity, the fourth to velocity heads and energy loss. Experimental measurements to illustrate the first two effects are presented.

Subject Headings: Scour | Fluid velocity | Head (fluid mechanics) | Flow measurement | Fluid flow | Sediment transport | Parameters (statistics) | Energy loss

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