Table 2 The fitting result of CH4 adsorption amount and coal strain with time.
From: Experimental study of gas flow and coal deformation at different levels of axial/radial stress ratio
σ% | ax | bx | R2 | εx−X | εx−Y | εx−V | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Ax | Bx | R2 | Ax | Bx | R2 | Ax | Bx | R2 | ||||
1.5 | 3.53 | 0.97 | 0.993 | 1.36 | 1.65 | 0.98 | 0.19 | 1.05 | 0.96 | 2.93 | 1.59 | 0.99 |
2.0 | 3.49 | 0.89 | 0.998 | 1.25 | 1.65 | 0.99 | 0.18 | 1.09 | 0.99 | 2.70 | 1.59 | 0.99 |
2.5 | 3.30 | 0.92 | 0.997 | 1.21 | 1.65 | 0.97 | 0.16 | 1.12 | 0.98 | 2.60 | 1.60 | 0.95 |
3.0 | 3.21 | 0.89 | 0.999 | 1.18 | 1.65 | 0.94 | 0.15 | 1.14 | 0.97 | 2.52 | 1.60 | 0.97 |
3.5 | 2.97 | 1.01 | 0.995 | 1.09 | 1.45 | 0.98 | 0.13 | 1.26 | 0.93 | 2.33 | 1.43 | 0.95 |
