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The starting or stopping of pump produces transient flows in pumping systems. These flows may be analyzed by using the method of characteristics presented in Chapter 3. Since the pumping head, discharge and pump speed for a centrifugal pump, are inter-dependent, transient-state speed needs to be included in the analysis. This requires special boundary conditions. These conditions are developed in this chapter. Transients caused by various pump operations are first discussed. A procedure for including the pump characteristics is then outlined, boundary conditions for a cetrifugal pump are developed, and a typical pumping system is analyzed. Design criteria for the pipelines are presented, and the chapter concludes with a case study.
The starting or stopping of pump produces transient flows in pumping systems. These flows may be analyzed by using the method of characteristics presented in Chapter 3. Since the pumping head, discharge and pump speed for a centrifugal pump, are inter-dependent, transient-state speed needs to be included in the analysis. This requires special boundary conditions. These conditions are developed in this chapter. Transients caused by various pump operations are first discussed. A procedure for including the pump characteristics is then outlined, boundary conditions for a cetrifugal pump are developed, and a typical pumping system is analyzed. Design criteria for the pipelines are presented, and the chapter concludes with a case study.
Transients In Pumping Systems
Chaudhry, M. Hanif (author)
Applied Hydraulic Transients ; Chapter: 4 ; 115-153
2014-01-01
39 pages
Article/Chapter (Book)
Electronic Resource
English
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