Sediment-Pickup Function

by Albert R. LeFeuvre, (M.ASCE), Envir. Quality Coordinator; Canada Centre for Inland Waters, Dept. of Energy, Mines, and Resour., Burlington, Ontario, Canada,
Hilmi D. Altinbilek, (A.M.ASCE), Asst. Prof.; Dept. of Civ. Engrg., Middle East Tech. Univ., Ankara, Turkey,
Marion R. Carstens, Prof.; School of Civ. Engrg., The Georgia Inst. of Technol., Atlanta, GA,


Serial Information: Journal of the Hydraulics Division, 1970, Vol. 96, Issue 10, Pg. 2051-2063


Document Type: Journal Paper

Discussion: Agrawal Ashutosh K. (See full record)

Abstract: A function expressing the rate of removal of bed is presented in terms of the following variables: local velocity; coefficient of drag; particle diameter; bed slope; angle of repose; and fluid density in the vicinity of the particle. The variables of the function are established by consideration of the forces acting on a typical surface particle. The functional relationship was established by the results of an experimental study. The sediment-pickup function is formulated as a local rate of bed removal in order to be able to incorporate the function in the differential form of the equation of continuity.

Subject Headings: Particle velocity | Fluid velocity | Drag (fluid dynamics) | Sediment | Slopes | Fluidized bed technology | Particles | Bed materials

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