Coupling Mechanism of Rotating Casing Effect and Impeller Structure of Roto-Jet Pump

Table 4

Flow and head analysis at the highest efficiency point.

	Index	Blade type	Front cover	Rotating casing
Q	K1	30.0	33.0	33.0
	K2	36.0	33.0	33.0
	K1	7.5	8.3	8.3
	K2	9.0	8.3	8.3
	R	1.5	0.0	0.0
H	K1	260.2	284.1	309.4
	K2	269.7	245.8	220.5
	K1	65.1	71.0	77.4
	K2	67.4	61.5	55.1
	R	2.3	9.5	22.3
η	K1	97.6	96.0	100.6
	K2	94.3	95.9	91.3
	K1	24.4	24.0	25.2
	K2	23.6	23.9	22.8
	R	0.8	0.1	2.4