Research Article
Study on Dynamic Response Measurement of the Submarine Pipeline by Full-Term FBG Sensors
Table 2
The maximum working frequency of FBG strain sensor (strain wave is step wave).
| | Effective length (mm) | 20 | 25 | 30 | 40 |
| Sensor is glued onto steel
(kHz) ( m/s) | 99 | 79.2 | 66 | 49.5 | Sensor is glued onto plexiglass
(kHz) ( m/s) | 37.4 | 29.92 | 24.93 | 18.7 | Sensor is glued onto concrete
(kHz) ( m/s) | 77 | 61.6 | 51.33 | 38.5 | Sensor is glued onto rubber
(kHz) ( = 30 m/s) | 0.66 | 0.528 | 0.44 | 0.33 |
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