Self-induced unsteady flow on pooled stepped chutes

被引：0
|
作者：
Thorwarth, Jens [1 ]
Köngeter, Jürgen [1 ]
机构：
[1] Institut für Wasserbau und Wasserwirtschaft, RWTH Aachen, Kreuzherrenstraße 7, 52056 Aachen, Germany
来源：
WasserWirtschaft | 2007年 / 97卷 / 10期
关键词：
Energy dissipation - Hydraulic models;
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学科分类号：
摘要：
Pooled stepped chutes are used to increase the energy dissipation compared to stepped chutes and cascades with horizontal and flat steps. Despite that fact this geometry causes the formation of unsteady flow thus the inflow is constant. Based on hydraulic model tests this paper presents data to calculate the parameters of the unsteady flow region (occurrence, wave heights and wave frequencies) from the geometric parameters (step height, depth of the pool) and discharge. The mechanism of wave development is explained.
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页码：39 / 41
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