Research Article
A Fluid-Solid Coupling Mathematical Model of Methane Driven by Water in Porous Coal
Table 3
Space-time distribution of the pore pressure at the axial monitoring points.
| Time (min) | Monitoring point (mm) | 10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 | 90 | Pore pressure (MPa) | Pore pressure (MPa) | Pore pressure (MPa) | Pore pressure (MPa) | Pore pressure (MPa) | Pore pressure (MPa) | Pore pressure (MPa) | Pore pressure (MPa) | Pore pressure (MPa) |
| 0 | 0.500 | 0.500 | 0.500 | 0.500 | 0.500 | 0.500 | 0.500 | 0.500 | 0.500 | 5 | 0.648 | 0.604 | 0.569 | 0.542 | 0.519 | 0.493 | 0.462 | 0.413 | 0.325 | 10 | 0.656 | 0.617 | 0.582 | 0.548 | 0.517 | 0.483 | 0.441 | 0.383 | 0.294 | 15 | 0.656 | 0.616 | 0.578 | 0.543 | 0.509 | 0.474 | 0.430 | 0.371 | 0.284 | 20 | 0.654 | 0.613 | 0.575 | 0.539 | 0.504 | 0.468 | 0.424 | 0.365 | 0.278 |
|
|