What is water speed along the boat during the vertical, Ask an Expert

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An anchored barge that extends across a canal by distance d = 30 m and into the water by distance b = 12 m. The canal has a width D = 57 m, a water depth H = 14 m, and a uniform water-flow speed vi = 1.3 m/s. suppose that the flow around the barge is uniform. As the water passes the bow, the water level undergoes a dramatic dip called the canal effect. If the dip has depth h = 0.75 m, what is water speed along the boat during the vertical cross sections at

(a) Point a and

(b) Point b?

The erosion due to the speed enhance is a common concern to hydraulic engineers. Also, the dip is at point a. And point b is on surface of water.

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