Numerical Investigation on Pressure Pulsation Characteristics and Radial Force of a Deep-Sea Electric Lifting Pump at Off-Design Conditions

Table 2

Grid independence analysis (Q = 420 m³/h; n = 1450 rpm).

Grid	Impeller	Diffuser	Inlet and outlet	Total (two stages)	Head (m)
1	388455	504336	324512	2110094	87.14
2	562764	788689	432589	3135495	88.48
3	863458	1097513	467894	4389836	89.57
4	1012468	1365458	522434	5278286	89.75
5	1413368	1545079	625603	6542497	89.81
6	1732435	1887846	651450	7892012	89.89