Effect of Blade Outlet Angle on Radial Force of Marine Magnetic Drive Pump

Table 4

Amplitude of frequency domain and maximum fluctuation of radial resultant force on the blades.

Flow	Model	Main frequency amplitude (N)	Maximum fluctuation amplitude (%)	Amplitude difference (%)
0.8Q	25	14.7	0.1890	0.0657
	30	16.8	0.2065
	35	18.9	0.2346
	40	20.4	0.2547
1.0Q	25	10.5	0.1680	0.0562
	30	12.2	0.1346
	35	14.6	0.1631
	40	16.3	0.2242
1.2Q	25	5.4	0.0623	0.0445
	30	6.5	0.0910
	35	7.3	0.0986
	40	7.9	0.1068