Research Article
Investigation on Nonlinear Flow Behavior through Rock Rough Fractures Based on Experiments and Proposed 3-Dimensional Numerical Simulation
Table 2
Comparison of flow rate between the experiments and numerical simulation of specimen S1.
| Pressure gradient (kPa/m) | Flow rate at outlet (×105 m3/s) | Experimental value | Simulated value | Relative error |
| 1 | 0.289 | 0.239 | 17.3% | 2 | 0.499 | 0.449 | 10.0% | 3 | 0.656 | 0.633 | 3.5% | 4 | 0.803 | 0.794 | 1.1% | 5 | 0.956 | 0.938 | 1.9% | 7 | 1.188 | 1.189 | 0.1% | 9 | 1.480 | 1.402 | 5.3% | 11 | 1.642 | 1.589 | 3.2% | 13 | 1.821 | 1.756 | 3.6% |
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