Comparison of Saddle-Shaped Region of Head-Flow Curve between Axial-Flow Pump and Its Corresponding Axial-Flow Pump Device

Table 3

Saddle bottom head of the axial-flow pump.

Blade mounting angle (°)	−4	−2	0	+2
The first saddle bottom head (m)	7.64	7.74	7.62	7.78
The second saddle bottom head (m)	7.06	6.88	6.21	6.00