SUSPENDED-LOAD DISTRIBUTION IN AN OPEN CHANNEL FLOW WITH MULTIPLE ROWS OF CYLINDERS

The roles of riparian vegetation have been noted from the view point of the river environment and flood control. Suspended sediment concentrations are measured in an open channel with cylinders installed across the whole channel width in their multiple rows. Cylinders are placed in stagger with thei...

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Published inPROCEEDINGS OF HYDRAULIC ENGINEERING Vol. 44; pp. 807 - 812
Main Authors HASHIMOTO, Haruyuki, TAKABATAKE, Hiroshi, HIBAKO, Takafumi, PARK, Kichan
Format Journal Article
LanguageEnglish
Published Japan Society of Civil Engineers 10.02.2000
Subjects
drag coefficient
multiple rows of cylinders
sand-water mixture
suspended load
trees
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Summary:The roles of riparian vegetation have been noted from the view point of the river environment and flood control. Suspended sediment concentrations are measured in an open channel with cylinders installed across the whole channel width in their multiple rows. Cylinders are placed in stagger with their equal spacing on the bed. Distributions of suspended load in an open channel with cylinders agree with Rouse distributions by using effective frictional velocities which are estimated by considering the drag force of cylinders. Flux distribution of suspended load in an open channel with cylinders is calculated. Flux of suspended load in an open channel with cylinders is found less than that without cylinders over the whole depth.
ISSN:0916-7374
1884-9172
DOI:10.2208/prohe.44.807