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Table 10 Characteristic comparisons between the original case and the optimized case

From: Discrete Optimization on Unsteady Pressure Fluctuation of a Centrifugal Pump Using ANN and Modified GA

Parameter

\(\eta_{{0.6Q_{{\text{d}}} }}\)

\(\eta_{{1.0Q_{{\text{d}}} }}\)

\(\eta_{{1.4Q_{{\text{d}}} }}\)

\(H_{{0.6Q_{{\text{d}}} }}\)

\(H_{{1.0Q_{{\text{d}}} }}\)

\(H_{{1.4Q_{{\text{d}}} }}\)

\(C_{{0.6Q_{{\text{d}}} }}^{{{\text{V1}}}}\)

\(C_{{1.0Q_{{\text{d}}} }}^{{{\text{V1}}}}\)

\(C_{{1.4Q_{{\text{d}}} }}^{{{\text{V1}}}}\)

Original case

67.34

79.86

77.84

21.51

19.42

15.00

0.1620

0.0887

0.0896

Optimized case

69.25

82.23

79.55

21.29

18.94

14.24

0.1649

0.0533

0.0716

Change

2.84%

2.97%

2.20%

−1.02%

−2.47%

−5.07%

1.79%

−39.91%

−20.09%