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 |
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