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Energy Dissipation Of Type A Piano Key Weirs, Kam R. Eslinger, Brian M. Crookston
Energy Dissipation Of Type A Piano Key Weirs, Kam R. Eslinger, Brian M. Crookston
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A Piano Key weir (PK weir) is a nonlinear, labyrinth-type weir well suited for rehabilitation projects due to a relatively small footprint and the ability to pass large discharges for lesser upstream-head values when compared with other weir types. A critical component of a hydraulic structure is the energy-dissipative properties. Currently, information and guidance is limited, with previous energy dissipation studies of PK weirs primarily of specific projects. Therefore, to document and quantify energy dissipation, four laboratory-scale Type A PK weir models with different width ratios (Wi/Wo) were studied, with 255 tests comprising this new …