Mathematical Model of Maximum Commutation Half Cycle for Thermal Countercurrent Oxidation of Low-Concentration Gas in Coal Mine Ventilation

Table 1

Influencing factors and levels of the orthogonal test.

Group number	c (%)	υ (m/s)	L (m)	ε
1	0.25	0.10	0.6	0.65
2	0.50	0.15	0.8	0.70
3	0.75	0.20	1.0	0.75
4	1.00	0.25	1.2	0.80
5	1.25	0.30	1.4	0.85