Ogee Spillway Designxls Install Upd [2025]

Ogee Spillway is a high-efficiency overflow structure characterized by an "S-shaped" profile that follows the trajectory of a free-falling water jet. This specialized design prevents vacuum formation and cavitation by ensuring the water remains in constant contact with the surface. Ogee Spillway Design Principles

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Engineers must therefore use the spreadsheet as a preliminary design tool and validate results with physical modeling or computational fluid dynamics (CFD) for high-hazard dams. Furthermore, any .xls file should be checked for formula integrity; a common error is a broken relative reference in a lookup table. Input Section: Enter ( Q_design = 1200 ,

⚠️ Return these settings to a safer level after running the tool. crest length ( L = 50

1. Input Section: Enter ( Q_design = 1200 , m^3/s ), crest length ( L = 50 , m ).
2. Sheet calculates: Design head ( H_d = 4.2 , m ).
3. Crest coordinates generated: From ( x = -1.2m ) (upstream of crest) to ( x = 12m ) downstream.
4. Output: Press "Export to CSV" button (VBA macro). Copy into CAD to draw the spillway profile.

Engineering Communities: The Water Structures Design Spreadsheets provided by The Engineering Community offer a suite of tools for hydraulic checks and stability analysis.