Chapter 3
Pumps operating in systems
3.1 Single pump in a system
3.2 Pumps operated in parallel
3.3 Pumps operating in series
3.4 Regulation of pumps
3.5 Annual energy consumption
3.6 Energy eciency index (EEI)
3.7 Summary
H
loss, pipe friction
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Buffer tank
Tank on roof
H
operation
Q
operation
