Influence of Blade Profiles on Plastic Centrifugal Pump Performance

Table 5

Performance experiment of double 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	−80.00	190.00	21.19	3000.59	5.47	20.48	28.60	4.94	32.31
2	−80.00	220.00	19.98	2998.58	5.33	19.32	31.26	4.82	34.13
3	−70.00	240.00	18.09	2997.92	5.21	17.50	31.89	4.72	32.23
4	−70.00	250.00	16.89	2998.15	5.18	16.34	32.64	4.69	30.98
5	−50.00	280.00	14.25	2998.20	5.01	13.78	33.20	4.53	27.50
6	−40.00	290.00	12.63	2998.18	4.82	12.22	33.00	4.36	25.17
7	−30.00	310.00	10.85	2997.94	4.60	10.50	33.76	4.16	23.18
8	−20.00	330.00	8.56	2998.14	4.44	8.28	34.50	4.02	19.36
9	−20.00	340.00	6.70	2998.48	4.32	6.48	35.31	3.91	15.95
10	−10.00	350.00	4.83	2998.58	4.20	4.67	35.20	3.80	11.79
11	−10.00	360.00	2.06	2998.72	3.99	1.99	36.06	3.61	5.42
12	−10.00	370.00	0.24	2999.02	3.82	0.23	36.99	3.45	0.68
13	−10.00	380.00	0.00	2999.52	3.71	0.00	37.93	3.35	0.00