Study on Driving Performance of the Axial-Flow Blood Pump under the Condition of Large Gap

Table 3

Driving performance of the system under the condition of different current.

Number	(r/min)	(A)	(V)	(L/min)	(KPa)	Output power (W)	Pressure loss (KPa)	Load torque (N mm)	Driving torque (N mm)	Efficiency η (%)
1	2000	0.55	7	0.43	0.98	0.01	0.02	0.049	0.618	5.6
2	2400	0.60	8	0.53	1.31	0.01	0.04	0.068	0.674	7.0
3	2800	0.65	10	0.62	1.83	0.02	0.05	0.095	0.730	9.1
4	3200	0.70	12	0.74	2.15	0.03	0.07	0.117	0.786	10.4
5	3600	0.80	14	0.87	3.03	0.04	0.10	0.172	0.899	13.4
6	4000	0.85	17	1.02	3.85	0.07	0.13	0.231	0.955	17.0
7	4400	0.90	19	1.19	4.89	0.10	0.18	0.312	1.011	21.6
8	4800	1.00	21	1.40	5.77	0.13	0.25	0.400	1.123	24.9
9	5200	1.05	24	1.59	6.95	0.18	0.33	0.506	1.179	30.0
10	5600	1.10	27	1.76	8.40	0.25	0.40	0.629	1.235	35.6
11	6000	1.20	31	1.95	9.29	0.30	0.49	0.723	1.348	37.5
12	6400	1.25	35	2.18	10.78	0.39	0.61	0.883	1.404	44.0
13	6800	1.30	39	2.41	11.62	0.47	0.75	0.998	1.460	47.8
14	7200	1.40	43	2.66	12.76	0.57	0.91	1.149	1.572	51.2
15	7600	1.45	48	2.93	13.94	0.68	1.11	1.320	1.629	56.7
16	7800	1.50	51	3.06	14.21	0.72	1.21	1.376	1.685	57.2
17	8000	1.55	54	3.14	15.22	0.80	1.27	1.473	1.741	59.2
18	8200	1.60	57	3.30	15.64	0.86	1.41	1.561	1.797	60.8
19	8400	1.65	60	3.44	15.91	0.91	1.53	1.625	1.853	61.4
20	8600	1.70	64	3.57	16.27	0.97	1.64	1.691	1.909	62.0
21	8800	1.75	67	3.76	16.52	1.04	1.82	1.783	1.966	63.5
22	9000	1.80	69	3.91	16.94	1.10	1.97	1.869	2.022	64.7
23	9200	1.90	75	4.02	17.51	1.17	2.07	1.946	2.134	63.9
24	9400	1.95	80	4.12	17.96	1.23	2.19	2.019	2.190	64.2
25	9600	2.05	86	4.22	18.68	1.31	2.31	2.104	2.302	63.8
26	9800	2.15	90	4.33	19.34	1.40	2.41	2.181	2.415	63.2
27	9900	2.20	94	4.40	19.68	1.44	2.50	2.242	2.471	63.5