Optimization Design and Internal Flow Field Study of Open-Design Vortex Pump

Table 4

Numerical results with different turbulence models at Q_des.

Turbulence model	Standard k-ε	RNG k-ε	Realizable k-ε	Standard k-ω	SST k-ω	Test data
Efficiency η (%)	46.34	48.22	47.48	46.45	48.51	42.36
H (m)	23.54	24.64	24.16	23.74	24.89	20.24