Abstract
Ultrasonic flexural torsional guided wave properties, including the excitation and propagation have been studied recently. Natural focusing is one of the major characteristics exhibited by partial loading excitation. With the aid of phased array transducer we propose a wave focusing method to enhance the signal to noise ratio and defect resolution in pipe inspection. With time delays and amplitudes applied to different elements constructive wave interference at specific point can be achieved in order to focus wave energy. Focusing effect is examined by angular profile, which is the circumferential displacement distribution.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 53-57 |
| Number of pages | 5 |
| Journal | American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP |
| Volume | 484 |
| DOIs | |
| State | Published - Nov 17 2004 |
| Event | 2004 ASME/JSME Pressure Vessels and Piping Conference - San Diego, CA, United States Duration: Jul 25 2004 → Jul 29 2004 |
All Science Journal Classification (ASJC) codes
- Mechanical Engineering