Optimal Design of Diversion Piers of Lateral Intake Pumping Station Based on Orthogonal Test

Table 2

Test plan and calculation results.

Test plan	A	B	C	D	E (error)	Flow rate uniformity (%)	Weighted average angle (°)
1	1	1	1	1	1	84.46	70.51
2	1	2	2	2	2	85.12	71.44
3	1	3	3	3	3	86.77	72.65
4	1	4	4	4	4	90.75	72.24
5	2	1	2	3	4	85.02	71.68
6	2	2	1	4	3	87.23	73.28
7	2	3	4	1	2	84.35	70.10
8	2	4	3	2	1	85.45	71.54
9	3	1	3	4	2	85.16	71.93
10	3	2	4	3	1	86.02	71.60
11	3	3	1	2	4	85.88	72.97
12	3	4	2	1	3	85.28	71.23
13	4	1	4	2	3	84.15	70.24
14	4	2	3	1	4	84.18	70.39
15	4	3	2	4	1	88.06	73.70
16	4	4	1	3	2	87.41	74.09
K1	347.10	338.79	344.98	338.27	343.99
K2	342.05	342.55	343.48	340.60	342.04
K3	342.34	345.06	341.56	345.22	343.43
K4	343.80	348.89	345.27	351.20	345.83
k1	86.77	84.70	86.24	84.57	86.00
k2	85.51	85.64	85.87	85.15	85.51
k3	85.58	86.26	85.39	86.31	85.86
k4	85.95	87.22	86.32	87.80	86.46
Rj	1.26	2.53	0.93	3.23	0.95