Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Recirculation and Sand-Feed Type Flume Experiments
Two types of open-channel laboratory flumes (recirculating and sand feed) are used to simulate the hydraulic and sediment transport phenomena which occur in natural sand-bed streams. A 20-cm wide by 10-m long flume which could be operated either as a feed system or as a recirculation system was used to compare the two systems with respect to the hydraulic and sediment transport conditions prevailing at equilibrium for bed configurations from ripples through antidunes. For equilibrium flow with an approximately uniform sand, no significant differences were found between the two systems. In addition to this quantitative study, some qualitative observations were made of the responses of both systems to induced non-equilibrium conditions. It was found that any change which produced a change in the sediment transport rate resulted in new equilibrium conditions for both systems. For the feed system, however, changes other than to the feed rate resulted in the system returning to the conditions prevailing before the change.
Recirculation and Sand-Feed Type Flume Experiments
Two types of open-channel laboratory flumes (recirculating and sand feed) are used to simulate the hydraulic and sediment transport phenomena which occur in natural sand-bed streams. A 20-cm wide by 10-m long flume which could be operated either as a feed system or as a recirculation system was used to compare the two systems with respect to the hydraulic and sediment transport conditions prevailing at equilibrium for bed configurations from ripples through antidunes. For equilibrium flow with an approximately uniform sand, no significant differences were found between the two systems. In addition to this quantitative study, some qualitative observations were made of the responses of both systems to induced non-equilibrium conditions. It was found that any change which produced a change in the sediment transport rate resulted in new equilibrium conditions for both systems. For the feed system, however, changes other than to the feed rate resulted in the system returning to the conditions prevailing before the change.
Recirculation and Sand-Feed Type Flume Experiments
Guy, Harold P. (Autor:in) / Rathbun, R. E. (Autor:in) / Richardson, Everett V. (Autor:in)
Journal of the Hydraulics Division ; 93 ; 97-114
01.01.2021
181967-01-01 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Unbekannt
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