Table 4 Flow rate results of seawater hydraulic motor under no-load state
Pressure (MPa) | Rotating speed (r/min) | Input flow (L/min) | Output flow (L/min) | Calculated flow (L/min) | Error rate (%) | Volumetric efficiency (%) |
|---|---|---|---|---|---|---|
0.7 | 55 | 7.624 | 6.442 | 6.040 | 6.24 | 84.49 |
0.7 | 62 | 8.704 | 7.440 | 6.895 | 7.33 | 86.62 |
0.7 | 74 | 9.820 | 8.628 | 8.361 | 3.09 | 87.86 |
0.7 | 84 | 11.018 | 9.784 | 9.582 | 2.06 | 88.80 |
0.7 | 95 | 12.246 | 10.900 | 10.925 | 0.23 | 89.01 |
0.7 | 108 | 14.220 | 12.908 | 12.513 | 3.06 | 90.77 |
0.7 | 128 | 16.868 | 15.402 | 14.956 | 2.90 | 91.31 |
0.7 | 145 | 18.354 | 16.980 | 17.033 | 0.31 | 92.51 |
0.7 | 156 | 19.754 | 18.436 | 18.376 | 0.33 | 93.33 |
0.7 | 164 | 20.656 | 19.306 | 19.353 | 0.24 | 93.46 |
0.7 | 173 | 21.592 | 20.330 | 20.453 | 0.61 | 94.16 |
0.7 | 184 | 23.570 | 22.208 | 21.796 | 1.86 | 94.22 |
0.7 | 200 | 25.498 | 24.148 | 23.751 | 1.64 | 94.71 |