Roughness Spacing in Rigid Open Channel

by W.W. Sayre,
M.L. Albertson,

Serial Information: Journal of the Hydraulics Division, 1961, Vol. 87, Issue 3, Pg. 121-150

Document Type: Journal Paper


Experiments were conducted in 8 ft wide by 72 ft long adjustable-slope flume; roughness elements consisting of sheet metal baffles were placed on bed of flume at various longitudinal and transverse spacings; data are analyzed in terms of von Karman-Prandtl concepts of turbulent flow near rough boundary; logarithmic flow formulas are developed in which roughness factor is related to size and spacing characteristics of roughness elements.

Subject Headings: Turbulent flow | Hydraulic roughness | Spacing | Open channels | Flumes | Metals (material) | Baffles (hydraulic) | Domain boundary

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