Long range guided waves for detecting holes in pipelines

Salisu El-Hussein, John J. Harrigan, Andrew J. Starkey* (Corresponding Author)

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

The use of low frequency (less than 10 kHz) guided waves for structural health
monitoring (SHM) against third party intrusion into long pipelines is investigated. A guided wave (GW) is sent along a pipeline and its reflection is used to detect the presence of a drilled hole or a branch connected to the pipeline. Finite element (FE) analysis was conducted on 305 mm (12 inch) outside diameter, 12 mm wall thickness mild steel pipe. The effects of pipe diameter and thickness on the GW propagation characteristics are illustrated. It is shown that the use of low frequencies have a lower attenuation and therefore are suitable for long range propagation. It is shown that GWs have the potential to detect holes over 100s of meters of pipeline.
Original languageEnglish
JournalJournal of Structural Integrity and Maintenance
Publication statusAccepted/In press - 14 Oct 2019

Fingerprint

Guided electromagnetic wave propagation
Pipelines
Steel pipe
Wave propagation
Carbon steel
Pipe
Finite element method

Keywords

  • guided waves
  • structural health monitoring
  • pipelines

Cite this

Long range guided waves for detecting holes in pipelines. / El-Hussein, Salisu; Harrigan, John J.; Starkey, Andrew J. (Corresponding Author).

In: Journal of Structural Integrity and Maintenance, 14.10.2019.

Research output: Contribution to journalArticle

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AB - The use of low frequency (less than 10 kHz) guided waves for structural healthmonitoring (SHM) against third party intrusion into long pipelines is investigated. A guided wave (GW) is sent along a pipeline and its reflection is used to detect the presence of a drilled hole or a branch connected to the pipeline. Finite element (FE) analysis was conducted on 305 mm (12 inch) outside diameter, 12 mm wall thickness mild steel pipe. The effects of pipe diameter and thickness on the GW propagation characteristics are illustrated. It is shown that the use of low frequencies have a lower attenuation and therefore are suitable for long range propagation. It is shown that GWs have the potential to detect holes over 100s of meters of pipeline.

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