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Question: the bed of a rectangular canal is raised by a...

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The bed of a rectangular canal is raised by a 0.1 m step. Upstream of the step, the canal width is 10 m and downstream the width contracts to 8 m. The energy head loss across the contraction is equal to 20% of the downstream velocity head. For a steady flow rate of 10 m3 /s, the flow depth upstream of the contraction is 1.6 m. Find the flow depth downstream of the contraction

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