Numerical Investigation of Particle Concentration Distribution Characteristics in Twin-Tunnel Complementary Ventilation System

Table 5

Orthogonal table and test results.

Factor
NO.	A	D	B	E	C
1	175	1	312	1	100	1.045
2	175	2	336	2	125	0.992
3	175	3	360	3	150	0.945
4	175	4	384	4	175	0.902
5	200	1	336	3	175	1.019
6	200	2	312	4	150	1.093
7	200	3	384	1	125	0.690
8	200	4	360	2	100	0.730
9	225	1	360	4	125	0.727
10	225	2	384	3	100	0.579
11	225	3	312	2	175	1.065
12	225	4	336	1	150	0.888
13	250	1	384	2	150	0.622
14	250	2	360	1	175	0.761
15	250	3	336	4	100	0.744
16	250	4	312	3	125	0.913
K1	3.884	3.413	4.116	3.384	3.098	T = 13.715
K2	3.532	3.425	3.643	3.409	3.322	Q = 12.164
K3	3.260	3.444	3.162	3.456	3.548	P = 11.757
K4	3.040	3.433	2.794	3.466	3.747
R	0.844	0.031	1.322	0.083	0.649
	0.099	0.000	0.248	0.001	0.059