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

Table 13

Comparison of performance.

	(%)		Deviation (%)	Head (m)		Deviation (%)
	Original	Optimized		Original	Optimized
0.8 Qd	84.92	86.3	1.63	41.84	41.65	0.45
1.0 Qd	87.99	89.71	1.95	40.53	39.32	2.99
1.2 Qd	85.00	89.2	4.94	36.51	36.18	0.90