Abstract
After a description of the basic principle of vertical ultrasonic guided wave, this paper has made an analysis on the variation of the displacement offset of vertical mode variant with frequency; it has also presented an approach by which a pectinate symmetrical transducer be used to effectively detect pipeline flaws. Data analysis and simulation indicate that longitudinal ultrasonic guided wave can be applied to the on-line distance detection of the pipelines covered or sheltered by barriers.
| Original language | English |
|---|---|
| Pages (from-to) | 348-351 |
| Number of pages | 4 |
| Journal | Zhongbei Daxue Xuebao (Ziran Kexue Ban)/Journal of North University of China (Natural Science Edition) |
| Volume | 27 |
| Issue number | 4 |
| Publication status | Published - Aug 2006 |
Keywords
- Longitudinal ultrasonic guided wave
- Mode
- Pipeline crack
- Simulation