Research Article
Investigation on Nonlinear Flow Behavior through Rock Rough Fractures Based on Experiments and Proposed 3-Dimensional Numerical Simulation
Table 3
Fitting coefficients
and
in the Forchheimer equation and corresponding critical Reynolds numbers.
| Fracture aperture (mm) | Specimen S1 | Specimen S2 | Specimen S3 | Specimen S4 | (108) | (1013) | | (108) | (1013) | | (108) | (1013) | | (108) | (1013) | |
| 0.50 | 20.085 | 9.688 | 5.06 | 20.456 | 10.668 | 5.57 | 20.591 | 11.459 | 5.98 | 20.82 | 12.573 | 6.56 | 0.75 | 4.86 | 3.733 | 1.95 | 5.117 | 3.953 | 2.06 | 5.314 | 4.184 | 2.18 | 5.588 | 4.61 | 2.41 | 1.00 | 1.462 | 1.895 | 0.99 | 1.512 | 1.982 | 1.03 | 1.574 | 2.146 | 1.12 | 1.627 | 2.285 | 1.19 | 1.25 | 0.415 | 1.201 | 0.63 | 0.437 | 1.282 | 0.67 | 0.476 | 1.410 | 0.74 | 0.503 | 1.511 | 0.79 |
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