Research Article
Prevention and Control of Spontaneous Combustion of Residual Coals in Acid-Soaked Goaf in Gas Drainage Condition
Table 3
Gas drainage data of high-level drainage roadway under different air intake conditions.
| Air intake (m3.min−1) | Mixing amount (m3.min−1) | Gas drainage in high drainage roadway | Volume fraction (%) | Scalar quantity (m3.min−1) | Proportion of gushing volume (%) |
| 1400 | 90 | 32.3 | 29.07 | 69.71 | 1800 | 90 | 11.2 | 10.08 | 24.17 |
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