Research Article

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

Table 3

Orthogonal test schemes.

Test numberA/mmB/mmC/(°)D/E/mmF/(°)G/mmH/(°)I/(°)J/(°)

11228106288345015
212281063893610520
3122810649038151025
412291572883410520
5122915738936151025
61229157490385015
71221020828834151025
812210208389365015
9122102084903810520
101248158289385525
11124815839034101015
1212481584883615020
13124920628938101015
1412492063903415020
151249206488365525
16124101072893815020
1712410107390345525
181241010748836101015
1912682072903651020
2012682073883810025
2112682074893415515
2212691082903610025
2312691083883815515
2412691084893451020
25126101562903615515
26126101563883851020
27126101564893410025