Table 6 The fitting results of CH4 desorption amount and coal strain.
From: Experimental study of gas flow and coal deformation at different levels of axial/radial stress ratio
σ% | εj-X | εj-Y | εj-V | ||||||
|---|---|---|---|---|---|---|---|---|---|
ηj | γj | R2 | ηj | γj | R2 | ηj | γj | R2 | |
1.5 | 2.90 | 0.09 | 0.995 | −0.40 | −0.19 | 0.999 | 19.16 | 0.04 | 0.999 |
2.0 | 3.18 | 0.09 | 0.995 | −0.38 | −0.17 | 0.999 | 14.43 | 0.05 | 0.999 |
2.5 | 3.59 | 0.08 | 0.997 | −0.32 | −0.18 | 0.999 | 25.27 | 0.03 | 0.999 |
3.0 | 3.48 | 0.08 | 0.997 | −0.25 | −0.22 | 0.999 | 39.58 | 0.02 | 0.997 |
3.5 | 3.46 | 0.09 | 0.998 | −0.22 | −0.17 | 0.998 | 56.35 | 0.01 | 0.999 |
