Evaluating Pump Characteristics in Developing Countries

by John Briscoe, Asst. Prof.; Dept. of Environmental Sci. and Engrg., Univ. of North Carolina,


Serial Information: Civil Engineering—ASCE, 1984, Vol. 54, Issue 11, Pg. 58-61


Document Type: Feature article

Abstract:

How do you assess normal operating characteristics for pumps used in small water supply systems when no information on the pumps is available and when the technicians have little technical education? On the basis of manufacturers' information and theoretical analyses, functional forms were developed for relating pump parameters to pump performance characteristics for manual and motor-driven reciprocating pumps, simple centrifugal and multi-stage centrifugal (including submersible and vertical-turbine) pumps, helical rotary borehold pumps and hydraulic rams. The theoretical functional forms were calibrated to give equations for estimating the rated characteristics (head, flow and efficiency) for each type of pump. Case histories for each are presented along with solutions.

Subject Headings: Pumps | Water supply systems | Information systems | Case studies | Water supply | Parameters (statistics) | Hydraulics

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