A hybrid ultrasonic guidedwave-fiber optic system for flaw detection in pipe

Joseph L. Rose, Jason Philtron, Guigen Liu, Yupeng Zhu, Ming Han

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

The work presented in this paper shows that Fiber Bragg Grating (FBG) optical fiber sensors can potentially be used as receivers in a long-range guided wave torsional-mode pipe inspection system. Benefits over the conventional pulse-echo method arise due to reduced total travel distance of the ultrasonic guided wave reflections, since reflections from defects and structural features do not need to propagate a full round trip back to the transmitting collar. This is especially important in pipe configurations with high attenuation, such as coated and buried pipelines. The use of FBGs as receivers instead of conventional piezoelectric or magnetostrictive elements also significantly reduces cabling, since multiple FBG receivers can be placed along a single optical fiber which has a diameter on the order of only around 100 μm. The basic approach and sample results are presented in the paper. Additionally, a brief overview of some topics in ultrasonic guided waves is presented as a background to understand the inspection problem presented here.

Original languageEnglish (US)
Article number727
JournalApplied Sciences (Switzerland)
Volume8
Issue number5
DOIs
StatePublished - May 5 2018

Fingerprint

nondestructive tests
Guided electromagnetic wave propagation
Fiber optics
fiber optics
receivers
ultrasonics
Ultrasonics
Ultrasonic waves
Pipe
Fiber Bragg gratings
Defects
Bragg gratings
inspection
optical fibers
Inspection
fibers
wave reflection
Fiber optic sensors
travel
Optical fibers

Keywords

  • Fiber Bragg grating
  • Fiber optics
  • Nondestructive testing
  • Pipe inspection
  • Structural health monitoring
  • Ultrasonic guided waves

ASJC Scopus subject areas

  • Materials Science(all)
  • Instrumentation
  • Engineering(all)
  • Process Chemistry and Technology
  • Computer Science Applications
  • Fluid Flow and Transfer Processes

Cite this

A hybrid ultrasonic guidedwave-fiber optic system for flaw detection in pipe. / Rose, Joseph L.; Philtron, Jason; Liu, Guigen; Zhu, Yupeng; Han, Ming.

In: Applied Sciences (Switzerland), Vol. 8, No. 5, 727, 05.05.2018.

Research output: Contribution to journalArticle

Rose, Joseph L. ; Philtron, Jason ; Liu, Guigen ; Zhu, Yupeng ; Han, Ming. / A hybrid ultrasonic guidedwave-fiber optic system for flaw detection in pipe. In: Applied Sciences (Switzerland). 2018 ; Vol. 8, No. 5.
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