Research Article
Vibration in a Multistage Centrifugal Pump under Varied Conditions
Table 2
Peak value and relative harmonics of each monitoring point under varied conditions.
| Channel number | Flow rate | f/fbp | 2f/fbp | 3f/fbp | 4f/fbp |
| CH3 | 0Qdes | 2.81 | 2.12 | 0.74 | 0.41 | 1.0Qdes | 1.48 | 0.54 | 1.13 | 0.97 | 1.5Qdes | 0.76 | 0.74 | 0.88 | 1.99 |
| CH4 | 0Qdes | 1.64 | 2.85 | 1.01 | 0.30 | 1.0Qdes | 0.46 | 0.56 | 0.78 | 0.49 | 1.5Qdes | 0.45 | 1.46 | 0.72 | 1.05 |
| CH5 | 0Qdes | 1.51 | 2.47 | 1.45 | 0.48 | 1.0Qdes | 1.53 | 2.24 | 0.13 | 0.35 | 1.5Qdes | 1.63 | 0.90 | 0.49 | 0.63 |
| CH6 | 0Qdes | 1.89 | 1.61 | 0.82 | 0.47 | 1.0Qdes | 1.28 | 0.84 | 0.30 | 0.09 | 1.5Qdes | 1.55 | 0.19 | 0.11 | 0.06 |
|
|