Influence of Blade Profiles on Plastic Centrifugal Pump Performance

Table 4

Performance experiment of single arc method.

	Measured value					n = 2900 (r/min)
	Inlet pressure	Outlet pressure	Q	n	Pin	Q	H	Pin	η
	(kPa)	(kPa)	(m^3/h)	(r/min)	(kW)	(m^3/h)	(m)	(kW)	(%)
1	−70.00	170.00	20.95	2998.60	5.85	20.26	25.72	5.29	26.83
2	−80.00	220.00	19.93	3001.44	5.83	19.26	31.19	5.26	31.11
3	−70.00	240.00	18.92	3002.21	5.81	18.28	31.94	5.24	30.37
4	−60.00	260.00	16.35	3001.81	5.56	15.80	32.47	5.01	27.87
5	−50.00	280.00	14.86	3001.81	5.37	14.36	33.21	4.84	26.82
6	−40.00	300.00	12.93	3002.06	5.12	12.49	33.90	4.62	24.99
7	−30.00	310.00	10.91	3002.36	4.96	10.54	33.66	4.47	21.62
8	−20.00	330.00	8.28	3001.63	4.68	8.00	34.39	4.22	17.76
9	−20.00	340.00	6.33	3001.54	4.53	6.12	35.21	4.09	14.36
10	−10.00	350.00	2.44	3001.34	4.26	2.36	35.06	3.84	5.86
11	−10.00	360.00	1.49	3001.16	4.22	1.44	36.00	3.81	3.71
12	−10.00	360.00	0.21	3000.81	4.15	0.20	35.99	3.75	0.53
13	0.00	380.00	0.00	3000.90	4.03	0.00	36.94	3.64	0.00