Question: In Chapter 8, it was stated that an essential feature of weirs is that flow achieves critical depth passing over the weir. Because that is

In Chapter 8, it was stated that an essential feature of weirs is that flow achieves critical depth passing over the weir. Because that is the case, derive Equation 9.9 using Equation 6.14, which relates critical depth to the flow rate.

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Starting with Eqn 614 y c Q 2 gb 2 13 where b L weir width Thus y c Q 2 gL ... View full answer

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