Research on stress detection technology of long-distance pipeline applying non-magnetic saturation

Bin Liu, Luyao He, Hai Zhang, Stefano Sfarra, Henrique Fernandes, Stefano Perilli, Jian Ren

Research output: Contribution to journalArticle

Abstract

In order to study the stress detection method on long-distance oil and gas pipeline, the distribution characteristics of the surface remanence signals in the stress concentration regions must be known. They were studied by using the magnetic domain model in the non magnetic saturation state. The finite element method was used herein with the aim to analyse the static and mechanical characteristics of a ferromagnetic specimen. The variation law of remanence signal in stress concentration regions was simulated. The results show that a residue signal in the stress concentration region exists. In addition, a one-to-one correspondence in the non-magnetic saturation environment is evident. In the case of magnetic saturation, the remanence signal of the stress concentration region is covered and the signal cannot be recognised.

Original languageEnglish
Pages (from-to)168-174
Number of pages7
JournalIET Science, Measurement and Technology
Volume13
Issue number2
DOIs
Publication statusPublished - 1 Mar 2019

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stress concentration
Remanence
Stress concentration
Pipelines
saturation
remanence
Saturation magnetization
Magnetic domains
Gas pipelines
static characteristics
magnetic domains
finite element method
Finite element method
oils
gases

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering

Cite this

Research on stress detection technology of long-distance pipeline applying non-magnetic saturation. / Liu, Bin; He, Luyao; Zhang, Hai; Sfarra, Stefano; Fernandes, Henrique; Perilli, Stefano; Ren, Jian.

In: IET Science, Measurement and Technology, Vol. 13, No. 2, 01.03.2019, p. 168-174.

Research output: Contribution to journalArticle

Liu, Bin ; He, Luyao ; Zhang, Hai ; Sfarra, Stefano ; Fernandes, Henrique ; Perilli, Stefano ; Ren, Jian. / Research on stress detection technology of long-distance pipeline applying non-magnetic saturation. In: IET Science, Measurement and Technology. 2019 ; Vol. 13, No. 2. pp. 168-174.
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