Roughness Spacing in Rigid Open Channels
- 1 May 1961
- journal article
- Published by American Society of Civil Engineers (ASCE) in Journal of the Hydraulics Division
- Vol. 87 (3) , 121-150
- https://doi.org/10.1061/jyceaj.0000600
Abstract
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.Keywords
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