Table 5 The fitting results of CH4 adsorption amount and coal strain.
From: Experimental study of gas flow and coal deformation at different levels of axial/radial stress ratio
σ% | εx-X | εx-Y | εx-V | ||||||
|---|---|---|---|---|---|---|---|---|---|
ηx | γx | R2 | ηx | γx | R2 | ηx | γx | R2 | |
1.5 | 2.71 | 0.28 | 0.998 | 0.62 | 0.13 | 0.999 | 7.61 | 0.18 | 0.998 |
2.0 | 3.02 | 0.20 | 0.999 | 0.99 | 0.06 | 0.999 | 6.79 | 0.19 | 0.999 |
2.5 | 3.03 | 0.20 | 0.999 | 0.94 | 0.06 | 0.999 | 6.76 | 0.19 | 0.999 |
3.0 | 2.84 | 0.22 | 0.999 | 0.69 | 0.08 | 0.998 | 6.26 | 0.21 | 0.999 |
3.5 | 4.17 | 0.12 | 0.998 | 0.67 | 0.08 | 0.999 | 8.42 | 0.13 | 0.999 |
