Research Article
Analysis of the Characteristics and Influencing Factors of Gas Explosion in Heading Face
Table 1
Simulation results of different grid sizes.
| | Number | Grid size (m) | Grid number | Maximum overpressure time (s) | Maximum overpressure (kPa) | Note |
| | 1 | 0.05 | 14800000 | 0.138 | 355.9 | | | 2 | 0.1 | 1850000 | 0.145 | 351.6 | | | 3 | 0.2 | 237500 | 0.171 | 337.6 | | | 4 | 0.4 | 26000 | 0.703 | 315.2 | |
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