tutorial - hyd structures(1).docx

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FACULTY OF ENGINEERING 48362 HYDRAULICS AND HYDROLOGY Tutorial on Hydraulic Structures 1. A sharp crested weir is constructed in a channel which width is 80% of channel and centered. Width of the channel is 3.6 m and coefficient of discharge (c d ) is 0.79. If the gauge height is 2.1m, estimate the discharge of channel? 2. A sharp crested weir, which width is 2m, same as channel, is installed in channel for measuring purpose. Sets of water height and discharge measurements are obtained. Using the below data, Find out the coefficient of Discharge (C d ) for the weir? Gauge Height (m) Discharge (m3/s) 1.360 2.791 1.860 4.465 1.430 3.010 1.790 4.215 2.100 5.356 3. Consider an open channel, 6 m wide, with a maximum anticipated flow rate of 36 m 3 /s at a flow depth of 2 m. What is the minimum height needed for a broad crested weir to ensure critical flow over the weir crest?

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• Weir, sharp crested weir

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