Pump Performance Curve
Characteristic curves of a centrifugal pump in dependence of the flow Q.
Usually the following curves are shown:
- Head H(Q)
- Power P(Q)
- Shaft power P2(Q)
- Power input P1(Q)
- Efficiency
- Hydraulic efficieny hhydr
- Total efficieny htot
- NPSHreq(Q)
- Speed n(Q)
While the head curve H(Q) is the basic characteristic of the pump, the other curves appear not for all pump constructions.