Author(s): Detlef Aigner
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Abstract: Cascades and stepped chutes are used for the discharge of water over dams or steep slopes. These are sequentially placed drops which either enable the step by step dissipation of the hydraulic energy or overflow by skimming flow. The stepped transitions ensure a good aeration of the water as a result of which an air-water mixture type of flow takes place. If the steps are designed as small stilling basins to dissipate the energy, they are called pooled step cascades. The hydraulic design of these structures will be dealt with in this paper.
Year: 2001