Pipe attrition acoustic locator (PAAL) from multi-mode dispersion analysis

B. Vogelaar, M. Golombok, X. Campman

Research output: Contribution to journalArticleAcademicpeer-review

6 Citations (Scopus)
4 Downloads (Pure)

Abstract

Multi-mode dispersion imaging shows that pure dispersion-free torsional waves are reflected at a pipe end and flexural wave modes are suppressed. This effect can be used to locate and assess internal damage. The end reflection coefficient of this single propagating mode decreases with increasing wear. The pipe damage is located from the travel time of the torsional wave component reflected from the damage point.
Original languageEnglish
Pages (from-to)80-88
JournalUltrasonics
Volume68
DOIs
Publication statusPublished - 2016

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