Guided Wave Focusing Mechanics in Pipe

Hayashi, Takahiro; Kawashima, Koichiro; Sun, Zongqi et al.

Journal of Pressure Vessel Technology, 2005, 127(3), 317-321

Number of Access:236（2025-08-15 22:51 Counts）

Identifier to cite or link to this item: https://hdl.handle.net/11094/89132

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Title
Guided Wave Focusing Mechanics in Pipe
Creator
NRID
1000030324479 1000030324479
ORCID
0000-0001-6064-4658 0000-0001-6064-4658
researchmap permalink
takahiro_hayashi takahiro_hayashi
Scopus Author ID
37064150200 37064150200
CreatorName
Hayashi, Takahiro
NRID
1000050023239 1000050023239
CreatorName
Kawashima, Koichiro
CreatorName
Sun, Zongqi
CreatorName
Rose, L. Joseph
Subject
ultrasonic focusing
pipes
ultrasonic materials testing
finite element analysis
Abstract
Guided waves can be used in pipe inspection over long distances. Presented in this paper is a beam focusing technique to improve the S∕N ratio of the reflection from a tiny defect. Focusing is accomplished by using nonaxisymmetric waveforms and subsequent time delayed superposition at a specific point in a pipe. A semianalytical finite element method is used to present wave structure in the pipe. Focusing potential is also studied with various modes and frequencies.
Publisher
American Society of Mechanical Engineers (ASME)
Source Title
Journal of Pressure Vessel Technology
Volume (Issue)
127(3)
Page
317-321
Date of Issued
2005-01-24
Language
English
Handle URL
https://hdl.handle.net/11094/89132
PISSN
00949930
eISSN
15288978
NCID
AA00705442
AA11943464
Relation.isVersionOf
DOI (Publisher Version)
https://doi.org/10.1115/1.1990209
Access Rights
open access
CopyRight
© 2005 by American Society of Mechanical Engineers. This manuscript version is made available under the Creative Commons Attribution 4.0 International License.
oaire:version
Accepted Manuscript
Category
学術雑誌論文 Journal Article