Research Article
Eliminating the Fluid-Induced Vibration and Improving the Stability of the Rotor/Seal System Using the Inerter-Based Dynamic Vibration Absorber
Table 2
The comparison results of the instability threshold speed.
| | εb | Optimized ζa | Optimized σa | Optimized σb | ωi | Increment |
| DVA | — | 0.05 | 0.99 | — | 2.687 | — | IDVAc1 | 0.01 | 0.05 | 1.00 | — | 2.696 | +0.33% | IDVAc2 | 0.10 | 0.05 | 1.00 | — | 2.504 | −6.81% | IDVAc3 | 0.03 | 0.05 | 0.98 | 0.95 | 2.759 | +2.68% | IDVAc4 | 0.09 | 0.03 | 1.01 | 0.76 | 2.728 | +1.53% | IDVAc5 | 0.09 | 0.14 | 0.93 | 1.79 | 2.730 | +1.60% | IDVAc6 | 0.04 | 0.01 | 0.98 | 1.03 | 2.755 | +2.53% |
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