Experimental phased array focusing in pipe using ultrasonic guided waves

B. J. Gavigan, L. Zhang, Z. Sun, Joseph Lawrence Rose

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations

Abstract

The phased array focusing technique is being developed with the intent to inspect hundreds of feet of pipeline from a single array position. The single array position is beneficial if access to a pipe is limited, e.g. steam pipes onboard U.S. Naval ships, nuclear power plants, oil and gas pipelines, etc. From a single array position, ultrasonic guided waves propagate down the length of the pipe and return information about potential defects. Focusing the ultrasonic energy at a predetermined location along the length of the pipe enhances the ability to detect defects that current state of the art inspection systems cannot detect. In this paper, theoretical time delays are used to focus torsional ultrasonic guided waves in the frequency ranges of 30 to 130 kHz and 200 to 800 kHz. Results of the focusing experiments are presented along with some concluding remarks and future work.

Original languageEnglish (US)
Title of host publicationReview of Progress in Quantitative Nondestructive Evaluation Volume 24
Pages1773-1779
Number of pages7
Volume760
DOIs
StatePublished - Apr 9 2005
EventReview of Progress in Quantitative Nondestructive Evaluation - Golden, CO, United States
Duration: Jul 25 2004Jul 30 2004

Other

OtherReview of Progress in Quantitative Nondestructive Evaluation
CountryUnited States
CityGolden, CO
Period7/25/047/30/04

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All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

Gavigan, B. J., Zhang, L., Sun, Z., & Rose, J. L. (2005). Experimental phased array focusing in pipe using ultrasonic guided waves. In Review of Progress in Quantitative Nondestructive Evaluation Volume 24 (Vol. 760, pp. 1773-1779) https://doi.org/10.1063/1.1916885