Centrifugal Pumps

Calculation of the effective height (H): PE =-40kPa PS 2 = 180 kPa. Calculation of Pa (KW): (Pot. of control) whereas: kw 3. Efficiency (): P = Power output a . Flow equation in terms of power a .

Flow equation in terms of efficiency FLOW VARIATION OF THE PERCENTAGE METHOD: TABLE OF DATA VARIATION% Q (m3 / s) Hsist. POT. EFIC. 100 0.0320 23. July 4031. 0400 0. 90 69 751 0.0288 20. June 1011.

3360 0. 80 77 502 0.0259 17. May 3389. 7024 0. 70 86 113 0.0233 15. May 1860. 1322 0. 60 95 681 0.0210 13. April 4178. 6189 1. 50 06 312 0.0189 11. April 9526. 1570 1. 40 18 125 0.0170 10. March 7502. 7413 1. 30 31 250 0.0153 9. March 7742. 3672 1. 45 833 20 .0138 8. March 9921. 0305 1. 62 037 10 .0124 8. February 3291. 7274 1. 80 041 CHARACTERISTIC CURVE CHARACTERISTIC CURVE HQ PQ Conclusions a The pump impeller is a closed, no-crown, the shaft radial direction, bending backward, counterclockwise rotation, has a pin for adjustment, safety pin movement in the opposite direction, Albes number is seven. a power data, system efficiency and height were calculated in terms of flow. a noticed a centrifugal pump wear 100/200, oxidation was found in all components and cavitation in some parts of the blades in particular wing exit. a There was a change in the packing of the press stop for the proper functioning of the pump. a Note that the segmentation is wrong RECOMMENDATIONS a Install a check valve to prevent water hammer. a Make the maintenance and repair using appropriate methods such as Total Productive Maintenance (TPM) or BSC. i Claudio Mataix BIBLIOGRAPHY: Fluid Mechanics and Hydraulic Machines. i Pedro Fernandez Diez: Centrifugal Pumps HIDROSTAL i i Catalog construaprende. com. pe CENTRE NATIONAL UNIVERSITY SCHOOL OF MECHANICAL ENGINEERING PERU

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