Engineering, 14.04.2020 17:25 Bwinig2021

A rectangular channel 6 m wide carries a discharge of 0.8 m3/s. At a certain section the channel rougness changes suddenly. The normal depths in the reaches upstream and downstream of sudden change are 0.9 m and 0.7 m, respectively. The channel slope is 0.5 %. Using a single step of the direct-step method, estimate the length of the reach of nonuniform flow.

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A rectangular channel 6 m wide carries a discharge of 0.8 m3/s. At a certain section the channel rou...