Multiobjective Optimization of Low-Specific-Speed Multistage Pumps by Using Matrix Analysis and CFD Method

Table 5

Shaft power at design flow contrast of different stages (kW).

Stage	1st Shaft power	2nd Shaft power	3rd Shaft power	4th Shaft power	Total shaft power
1	0.853				0.853
2	0.855	0.856			1.711
3	0.857	0.854	0.851		2.562
4	0.851	0.854	0.858	0.861	3.424