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A $1:50$ model of a spillway is to be tested in the laboratory. The discharge in the prototype spillway is $1000 \: m^3/s$. The corresponding discharge (in $m^3/s$, up to...
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Variation of water depth $(y)$ in a gradually varied open channel flow is given by the first order differential equation$$ \dfrac{dy}{dx} = \dfrac{1-e^{-\frac{10}{3} \ln(...