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Chinese Journal of Mechanical Engineering

Table 4 Decision variables and boundaries

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

Parameter

Range

Blade angle at trailing edge β2(°)

[20, 40]

Impeller outlet diameter D2(mm)

[128, 134]

Impeller outlet width b2(mm)

[15, 20]

Blade wrapping angle θ(°)

[80, 120]

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