Research Article
A Water Hammer Protection Method for Mine Drainage System Based on Velocity Adjustment of Hydraulic Control Valve
Table 4
Results comparison of simulation and experiment.
| | Parameters | Max acceleration (m/s2) | Max displacement (mm) | Max pressure | | | | | | | (Mpa) |
| | Simulation | 4.5830 | 6.2672 | 5.2341 | 16.5122 | 27.3335 | 14.8726 | 4.5798 | | Experiment | 4.8308 | 6.4582 | 5.4457 | 15.7660 | 28.5192 | 15.3051 | 4.5867 | | Errors | 4.6% | 2.9% | 3.9% | 4.7% | 4.2% | 2.8% | 0.2% | | Simulation | 1.6876 | 0.8446 | 1.3651 | 8.6395 | 5.6689 | 10.4653 | 3.4901 | | Experiment | 1.6987 | 0.8692 | 1.4112 | 8.9482 | 5.9354 | 10.6432 | 3.5006 | | Errors | 0.7% | 2.8% | 3.3% | 3.4% | 4.4% | 1.7% | 0.3% |
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