Question

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Water at 20 C (p 998kg/mA3 and v-1.004 x 10A-6 mA2/s) flows through a horizontal pipe of 0.1 -m diameter and 2 km long. The frictional head loss is 580 m. Suppose the friction coefficient at the pipe is f-0.022 a. determine the flow rate. Is the flow laminar or turbulent? b. determine the friction velocity and thickness of the viscous sublayer? c. determine the centerline velocity and the velocity at 0.025 m above the pipe wall (Point A) Show all work a-c for thumbs up ong. D 0.1 nm A 0.025 m

Answer 1

sec f -0.022 29 530 0.022 X20 0oxV 5.085 nm 19.62×0.1 3 506.52 xIo าร 1004 XIoG oiction Veloctu 0.022 x5.025 0.2671%ec -テー 11 hicknesso i so us Jub layes O-26 entre, i ne ve loei .91ニ0-025m 4 X 1.002 Kla-3 1.33 m/sec