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Labyrinth Weirs: A Look Into Geometric Variation And Its Effect On Efficiency And Design Method Predictions, Tyler Robert Seamons
Labyrinth Weirs: A Look Into Geometric Variation And Its Effect On Efficiency And Design Method Predictions, Tyler Robert Seamons
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
The rehabilitation of dams often requires spillway capacity upgrades. Replacing a less hydraulically efficient linear weir with a labyrinth weir can be an effective way to increase discharge efficiency (discharge at a given upstream head) for a fixed-width channel. Labyrinth weirs are linear weirs folded in plan view to increase total spillway crest length (which in turn increases discharge efficiency within a channel). Labyrinth weirs potentially have limitless geometric configurations. This study was performed to analyze the effects of varying certain geometric parameters on discharge efficiency and design method predictions.
Due to limited cross-sectional flow area near the upstream apex, …