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

Table 1

Data structure of the multi-target orthogonal test.

First level

Experimental index

Second level

Factor A 1

Factor A 2

Factor A l

Third level

𝐴11

…

𝐴1𝑚−1

𝐴1𝑚

𝐴21

…

𝐴2𝑚−1

𝐴2𝑚

𝐴𝑙1

…

𝐴𝑙𝑚−1

𝐴𝑙𝑚