Example (2-3):A centrifugal pump is installed to supply water from areservoir to a tank which is at a vertical height of 12 m above it. The diameter of the suction pipe is 300 mm and it is 6 m long. At the end of the suction pipe which extends under the water level in the reservoir, are fitted a foot valves and strainer. There is one 90° bend on the side of suction. The discharge pipe is 250 mm diameter and 135 m long. It is fitted with a gate valve and two medium radius 90°- elbows. Find the HP of the pump to discharge 85 L/s of water considering all losses of head in pipe fitting. The overall efficiency of pump is 70%. Find also the size of driving motor. Assume; Kinematic viscosity of water v = 1.146 * 10-6 m²/s %3D Loss of head due to friction in pipes Hf 4fL v2 d 2g 0.21 /here; 4f = 0.0032 + R0.237

Example (2-3):A centrifugal pump is installed to supply water from areservoir to a tank which is at a vertical height of 12 m above it. The diameter of the suction pipe is 300 mm and it is 6 m long. At the end of the suction pipe which extends under the water level in the reservoir, are fitted a foot valves and strainer. There is one 90° bend on the side of suction. The discharge pipe is 250 mm diameter and 135 m long. It is fitted with a gate valve and two medium radius 90°- elbows. Find the HP of the pump to discharge 85 L/s of water considering all losses of head in pipe fitting. The overall efficiency of pump is 70%. Find also the size of driving motor. Assume; Kinematic viscosity of water v = 1.146 * 10-6 m²/s %3D Loss of head due to friction in pipes Hf 4fL v2 d 2g 0.21 /here; 4f = 0.0032 + R0.237

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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