Performance Improvement of a Micro Impulse Water Turbine Based on Orthogonal Array

Table 5

Orthogonal experiment results at the rated rotational speed ( r/min).

Number	0.8	1.0	1.2
(1)	34.52	34.92	35.45
(2)	30.89	31.46	31.13
(3)	29.63	30.39	30.22
(4)	35.80	36.32	37.26
(5)	25.30	26.91	27.77
(6)	37.87	39.10	38.98
(7)	31.69	32.74	32.94
(8)	34.58	35.46	35.36
(9)	34.61	35.30	35.22
(10)	29.96	30.46	30.46
(11)	28.23	29.48	29.47
(12)	35.68	35.85	35.19
(13)	35.56	36.49	36.56
(14)	37.81	39.27	39.68
(15)	28.13	30.36	31.32
(16)	32.90	33.55	33.38
(17)	34.64	35.42	36.18
(18)	31.39	31.77	31.58