Focusing techniques for long range ultrasonic guided wave inspection of pipelines

Joseph L. Rose, Li Zhang, Michael J. Avioli, Scott Lebsack, Peter J. Mudge

Research output: Contribution to conferencePaper

Abstract

A long range ultrasonic guided wave focusing technique for pipelines with improved defect signal amplitude signal to noise ratio, and penetration power is developed. Focusing techniques consequently reduces the false alarm rate, increases the probability of detection, hence inspection confidence, and also leads to excellent defect circumferential length and depth measurement potential. The focusing techniques include frequency tuning for axisymmetric loading of the pipe, natural focusing as a result of partial loading around the circumference of the pipe, and phased array focusing via multi-element array excitation and receiving with time delay profiling. Sample results are provided that points out the significant advantages of beam focusing in pipeline inspection compared to current inspection techniques. This is an abstract of a paper presented at the Gas Technology Institute's Natural Gas Technologies 2005 Conference (Orlando, FL 1/30/2005-2/2/2005).

Original languageEnglish (US)
StatePublished - Dec 1 2005
EventGTI Natural Gas Technologies 2005: What s New and What s Next - Orlando, FL, United States
Duration: Jan 30 2005Feb 2 2005

Other

OtherGTI Natural Gas Technologies 2005: What s New and What s Next
CountryUnited States
CityOrlando, FL
Period1/30/052/2/05

Fingerprint

Guided electromagnetic wave propagation
Ultrasonic waves
Pipelines
Inspection
Pipe
Defects
Time delay
Signal to noise ratio
Natural gas
Tuning
Gases

All Science Journal Classification (ASJC) codes

  • Energy(all)

Cite this

Rose, J. L., Zhang, L., Avioli, M. J., Lebsack, S., & Mudge, P. J. (2005). Focusing techniques for long range ultrasonic guided wave inspection of pipelines. Paper presented at GTI Natural Gas Technologies 2005: What s New and What s Next, Orlando, FL, United States.
Rose, Joseph L. ; Zhang, Li ; Avioli, Michael J. ; Lebsack, Scott ; Mudge, Peter J. / Focusing techniques for long range ultrasonic guided wave inspection of pipelines. Paper presented at GTI Natural Gas Technologies 2005: What s New and What s Next, Orlando, FL, United States.
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Rose, JL, Zhang, L, Avioli, MJ, Lebsack, S & Mudge, PJ 2005, 'Focusing techniques for long range ultrasonic guided wave inspection of pipelines', Paper presented at GTI Natural Gas Technologies 2005: What s New and What s Next, Orlando, FL, United States, 1/30/05 - 2/2/05.

Focusing techniques for long range ultrasonic guided wave inspection of pipelines. / Rose, Joseph L.; Zhang, Li; Avioli, Michael J.; Lebsack, Scott; Mudge, Peter J.

2005. Paper presented at GTI Natural Gas Technologies 2005: What s New and What s Next, Orlando, FL, United States.

Research output: Contribution to conferencePaper

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AU - Rose, Joseph L.

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AU - Lebsack, Scott

AU - Mudge, Peter J.

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AB - A long range ultrasonic guided wave focusing technique for pipelines with improved defect signal amplitude signal to noise ratio, and penetration power is developed. Focusing techniques consequently reduces the false alarm rate, increases the probability of detection, hence inspection confidence, and also leads to excellent defect circumferential length and depth measurement potential. The focusing techniques include frequency tuning for axisymmetric loading of the pipe, natural focusing as a result of partial loading around the circumference of the pipe, and phased array focusing via multi-element array excitation and receiving with time delay profiling. Sample results are provided that points out the significant advantages of beam focusing in pipeline inspection compared to current inspection techniques. This is an abstract of a paper presented at the Gas Technology Institute's Natural Gas Technologies 2005 Conference (Orlando, FL 1/30/2005-2/2/2005).

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Rose JL, Zhang L, Avioli MJ, Lebsack S, Mudge PJ. Focusing techniques for long range ultrasonic guided wave inspection of pipelines. 2005. Paper presented at GTI Natural Gas Technologies 2005: What s New and What s Next, Orlando, FL, United States.