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Canal effect. Figureshows 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 = 55 m, a water depth H = 14 m, and a uniform water-flow speed v_(i) = 1.2 m/s. Assume that the flow around the barge is uniform. As the water . passes the bow, the water level undergoes a dramatic dip known as the canal effect. If the dip has depth h = 0.80 m, what is the water speed alongside the boat through the vertical cross sections at (a) point a and (b) point b? The erosion due to the speed increase is a common concern to hydraulic engineers. |
| Answer» SOLUTION :(a) 2.37 m/s ~~ 2.4` m/s (B) 2.3 m/s | |