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contributor authorJolanda M. I. Jenzer Althaus
contributor authorGiovanni De Cesare
contributor authorAnton J. Schleiss
date accessioned2017-05-08T22:08:09Z
date available2017-05-08T22:08:09Z
date copyrightFebruary 2015
date issued2015
identifier other31636015.pdf
identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/72048
description abstractReservoir sedimentation is considered as a sustainability problem. A concept getting down to the root of the cause was developed and tested in laboratory experiments. The idea is to maintain sediment in suspension, i.e., avoiding its settling near the dam by generating a jet induced artificial flow field and related turbulence (rotational flow), enabling the release of suspended sediment through the power intake. Therefore, a perpendicular jet configuration consisting of four jets arranged in a horizontal plane was investigated in a rectangular basin equipped with an outlet structure. The influence of its geometric parameters and the jet discharge on the sediment release was analyzed in detail. The flow pattern and its effect on the sediment release efficiency were evaluated, by measurements of turbidity and flow velocity. Depending on experiment duration and discharge, an ideal parameter set was identified resulting in a release efficiency between 1.5 and 2 compared to the reference case without jets.
publisherAmerican Society of Civil Engineers
titleSediment Evacuation from Reservoirs through Intakes by Jet-Induced Flow
typeJournal Paper
journal volume141
journal issue2
journal titleJournal of Hydraulic Engineering
identifier doi10.1061/(ASCE)HY.1943-7900.0000970
treeJournal of Hydraulic Engineering:;2015:;Volume ( 141 ):;issue: 002
contenttypeFulltext


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