Flow Resistance in Gravel-Bed Riversby Richard D. Hey, Lect.; School of Environmental Sci., Univ. of East Anglia, Norwich, United Kingdom,
Serial Information: Journal of the Hydraulics Division, 1979, Vol. 105, Issue 4, Pg. 365-379
Document Type: Journal Paper
Abstract: The resistance to uniform flow in straight gravel-bed rivers is basically dependent on the flow geometry, the cross-sectional variation in roughness heights, and the roughness height of the graded gravel bed sediment. The effect of these factors on the resistance to flow is evaluated and a general approach for the estimation of the Darcy-Weisbach friction factor is presented. Independent field data indicates that the method can be successfully applied to predict the resistance to uniform flow in gravel-bed rivers.
Subject Headings: Flow resistance | Load and resistance factor design | River flow | River and stream beds | Uniform flow | Hydraulic roughness | Crossflow |
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