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 number | c (%) | υ (m/s) | L (m) | ε | T (min) |
| | 1 | 0.25 | 0.10 | 0.6 | 0.65 | 20.63 | | 2 | 0.25 | 0.15 | 0.8 | 0.70 | 14.32 | | 3 | 0.25 | 0.20 | 1.0 | 0.75 | 10.28 | | 4 | 0.25 | 0.25 | 1.2 | 0.80 | 7.23 | | 5 | 0.25 | 0.30 | 1.4 | 0.85 | 4.73 | | 6 | 0.50 | 0.10 | 0.8 | 0.75 | 28.51 | | 7 | 0.50 | 0.15 | 1.0 | 0.80 | 17.09 | | 8 | 0.50 | 0.20 | 1.2 | 0.85 | 10.36 | | 9 | 0.50 | 0.25 | 1.4 | 0.65 | 25.98 | | 10 | 0.50 | 0.30 | 0.6 | 0.70 | 7.20 | | 11 | 0.75 | 0.10 | 1.0 | 0.85 | 25.05 | | 12 | 0.75 | 0.15 | 1.2 | 0.65 | 51.54 | | 13 | 0.75 | 0.20 | 1.4 | 0.70 | 36.02 | | 14 | 0.75 | 0.25 | 0.6 | 0.75 | 9.30 | | 15 | 0.75 | 0.30 | 0.8 | 0.80 | 7.68 | | 16 | 1.00 | 0.10 | 1.2 | 0.70 | 81.71 | | 17 | 1.00 | 0.15 | 1.4 | 0.75 | 48.31 | | 18 | 1.00 | 0.20 | 0.6 | 0.80 | 11.11 | | 19 | 1.00 | 0.25 | 0.8 | 0.85 | 8.07 | | 20 | 1.00 | 0.30 | 1.0 | 0.65 | 22.95 | | 21 | 1.25 | 0.10 | 1.4 | 0.80 | 67.89 | | 22 | 1.25 | 0.15 | 0.6 | 0.85 | 12.68 | | 23 | 1.25 | 0.20 | 0.8 | 0.65 | 33.63 | | 24 | 1.25 | 0.25 | 1.0 | 0.70 | 27.12 | | 25 | 1.25 | 0.30 | 1.2 | 0.75 | 21.25 |
|
|