Efficiency-House Optimization to Widen the Operation Range of the Double-Suction Centrifugal Pump

Table 14

Hydraulic head distribution of optimized and original cases.

Flowrate	Model	Suction (m)	Impeller (m)	Volute (m)	Power (kw)
0.8Qd	Original	−1.307	48.620	−4.342	53.291
	Optimized	−0.258	45.920	−3.725	52.957
1.0Qd	Original	−0.167	44.196	−3.141	62.735
	Optimized	−0.150	42.372	−2.673	59.877
1.2Qd	Original	−0.200	41.243	−4.187	70.206
	Optimized	−0.210	39.196	−2.582	66.554