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Sharp-crested weirs are control structures causing a defined backwater.Additionally, they are often used to determine the discharge of an open channel.
Contains four different plate weirs as sharp-crested weirs.The fundamentals of flow over sharp-crested weirs are demonstrated with the rectangular weir with optional aeration.The other weirs are typical measuring weirs with defined openings: the opening of the Thomson weir is triangular, the opening of the Rehbock weir is rectangular and for the Cipoletti weir,it’s trapezoidal.