The Flow Simulation and Experimental Study of a Large Low-Head Mixed-Flow Pumping System

Table 2

Performance parameters of model pumping system at BEP.

𝛽	Φ	𝜓	𝜂 (%)
−4°	0.218	1.104	70.14
−2°	0.247	1.125	69.83
0°	0.281	1.139	66.89
+2°	0.281	1.322	65.01
+4°	0.292	1.390	63.26