Analysis of Unsteady Flow Characteristics of Centrifugal Pump under Part Load Based on DDES Turbulence Model

Table 1

Verification of grid independence.

Scheme	Grid number (10^6)	H	H-error	η	η-error
1	1.22	63.41	0.07	67.96	−0.05
2	1.54	62.12	0.04	69.54	−0.03
3	2.21	60.76	0.02	72.56	0.01
4	2.44	60.53	0.02	72.90	0.01