Research Article

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

Table 2

Numerical simulation results.

Test numberc (%)υ (m/s)L (m)εT (min)

10.250.100.60.6520.63
20.250.150.80.7014.32
30.250.201.00.7510.28
40.250.251.20.807.23
50.250.301.40.854.73
60.500.100.80.7528.51
70.500.151.00.8017.09
80.500.201.20.8510.36
90.500.251.40.6525.98
100.500.300.60.707.20
110.750.101.00.8525.05
120.750.151.20.6551.54
130.750.201.40.7036.02
140.750.250.60.759.30
150.750.300.80.807.68
161.000.101.20.7081.71
171.000.151.40.7548.31
181.000.200.60.8011.11
191.000.250.80.858.07
201.000.301.00.6522.95
211.250.101.40.8067.89
221.250.150.60.8512.68
231.250.200.80.6533.63
241.250.251.00.7027.12
251.250.301.20.7521.25