Research on Pump Volute Design Method Using CFD

Table 4

List of pump BEPs with different volute design rules.

Design rule	Capacity (m^3/h)	Efficiency (%)	Head (m)	Shaft power (kW)
Constant swirl	215.8	76.92	94.08	71.85
Constant velocity	232.4	76.36	89.59	74.23
Radius linear	232.4	75.92	88.78	73.98
Spline1	232.4	76.25	89.29	74.08
Spline2	332.4	73.96	86.94	74.36