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

Table 4

Head at design flow contrast of different stages (m).

Stage	1st head	2nd head	3rd head	4th head	Total head
1	16.93				16.56
2	16.89	16.53			32.17
3	16.87	16.62	16.77		48.87
4	16.79	16.60	16.92	16.84	64.50