Research Article
Theoretical Solutions for Dynamic Characteristics of Liquid Annular Seals with Herringbone Grooves on the Stator Based on Bulk-Flow Theory
Table 3
Comparisons between predicted and measured resultant forces.
| | | Rotating speed (r/min) | | | 720 | 1080 | 1440 | 1800 | 2160 | 2400 |
| Seal 1 | Predicted force (N) | 0.3595 | 0.4290 | 0.4965 | 0.6122 | 0.8042 | 1.0006 | Measured force (N) | 0.38 | 0.46 | 0.54 | 0.69 | 0.96 | 1.19 | Error (%) | 5.4010 | 6.7447 | 8.0536 | 11.2803 | 16.2262 | 15.9123 |
| Seal 2 | Predicted force (N) | 0.9133 | 0.9252 | 0.9378 | 0.9568 | 0.9745 | 1.0000 | Measured force (N) | 0.88 | 0.92 | 0.94 | 0.97 | 1.04 | 1.08 | Error (%) | 3.7852 | 0.5598 | 0.2362 | 1.4144 | 5.9183 | 7.4046 |
| Seal 3 | Predicted force (N) | 0.3677 | 0.4362 | 0.4978 | 0.6011 | 0.7651 | 0.9370 | Measured force (N) | 0.34 | 0.41 | 0.51 | 0.65 | 0.89 | 1.15 | Error (%) | 8.1564 | 6.3828 | 2.3838 | 7.5167 | 14.0353 | 18.5189 |
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