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JMSE
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Underwater Pipe System Fault Detection
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Underwater Pipe System Fault Detection

A special issue of Journal of Marine Science and Engineering (ISSN 2077-1312). This special issue belongs to the section "Ocean Engineering".

Deadline for manuscript submissions: 20 May 2024 | Viewed by 2302

Special Issue Editors

Prof. Dr. Bruno Brunone

E-Mail Website
Guest Editor
Water Engineering Laboratory, Department of Civil and Environmental Engineering, University of Perugia, I-06125 Perugia, Italy
Interests: pipe systems; pipeline outfalls; fault (leak) detection in pipe systems; transients
Special Issues, Collections and Topics in MDPI journals
Dr. Silvia Meniconi

E-Mail Website
Guest Editor
Water Engineering Laboratory, Department of Civil and Environmental Engineering, University of Perugia, I-06125 Perugia, Italy
Interests: pipeline systems; advanced anomaly detection in pipe systems; transient dynamics analysis
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Underwater pipelines represent a lifeline in the exploitation of water, oil, and gas resources. Not only are they the fastest, safest, and most economical and reliable way of transporting such resources, but they also help to overcome territorial (e.g., due to the nature of crossed lands) and political obstacles. Such prerogatives make underwater pipeline a very crucial infrastructure to defend and protect, on the one side, and to keep in perfect working order, on the other side. Such aims can be condensed into a single goal: to detect any fault as soon as possible and as well as possible. Moreover, failure scenarios should be prevented to avoid the non-transportation of resources. Accordingly, this Special Issue is dedicated to innovative but reliable techniques for fault detection and prevention purposes. Monitoring techniques are welcome, particularly sustainable techniques from an economic point of view.

Prof. Dr. Bruno Brunone
Dr. Silvia Meniconi
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Journal of Marine Science and Engineering is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • underwater pipeline
  • fault detection
  • leak
  • partial blockage
  • monitoring techniques
  • wall deterioration
  • fault prevention

Published Papers (3 papers)

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Research

24 pages, 11707 KiB  
Article
PIV Experimental Research and Numerical Simulation of the Pigging Process
by Shengtao Chen, Yuhan Zhang, Tianyu Su and Yongjun Gong
J. Mar. Sci. Eng. 2024, 12(4), 549; https://doi.org/10.3390/jmse12040549 - 25 Mar 2024
Viewed by 542
Abstract
The initial running speed of the pig during gas–liquid two-phase pipeline pigging can significantly influence the velocities of both gas and liquid phases within the pipeline. However, due to the complexity and limited understanding of these velocity variations, developing an effective operational plan [...] Read more.
The initial running speed of the pig during gas–liquid two-phase pipeline pigging can significantly influence the velocities of both gas and liquid phases within the pipeline. However, due to the complexity and limited understanding of these velocity variations, developing an effective operational plan for pigging becomes challenging. To enhance pigging efficiency and effectively seal the pig, it is crucial to monitor the velocity variations in the gas–liquid phase within the pipeline. In this study, an experimental platform was established to facilitate precise observation of these variations. Particle image velocimetry (PIV) technology was employed for a comprehensive understanding of gas–liquid two-phase velocities during pig operation in the pipeline. The experimental results demonstrated that increasing both the velocity and the initial liquid level height of the pig resulted in a corresponding augmentation of velocity fluctuation range. Specifically, at a holdup rate of 30%, there was a 10% reduction in the maximum liquid-phase velocity, while at a holdup rate of 25%, this reduction amounted to 16% compared to the pigging velocity. Full article
(This article belongs to the Special Issue Underwater Pipe System Fault Detection)
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14 pages, 2984 KiB  
Article
Transient Tests for Checking the Trieste Subsea Pipeline: Diving into Fault Detection
by Silvia Meniconi, Bruno Brunone, Lorenzo Tirello, Andrea Rubin, Marco Cifrodelli and Caterina Capponi
J. Mar. Sci. Eng. 2024, 12(3), 391; https://doi.org/10.3390/jmse12030391 - 24 Feb 2024
Cited by 1 | Viewed by 509
Abstract
Fault detection in subsea pipelines is a difficult problem for several reasons, and one of the most important is the inaccessibility of the system. This criticality can be overcome by using transient test-based techniques. Such an approach is based on the execution of [...] Read more.
Fault detection in subsea pipelines is a difficult problem for several reasons, and one of the most important is the inaccessibility of the system. This criticality can be overcome by using transient test-based techniques. Such an approach is based on the execution of safe transients that result in small over pressures (i.e., on the order of a few meters of water column). In our companion paper, the procedure involving the transient tests was described in detail. This paper analyses the results of the field tests carried out and identifies wall deterioration in some sections of the pipeline. Attention is focused on the numerical procedure based on the joint use of a 1-D numerical model simulating transients in the pressurized flow and analytical relationships and providing the transient response of anomalies such as leaks and wall deterioration. The results obtained are essentially confirmed by the survey carried out by divers. Full article
(This article belongs to the Special Issue Underwater Pipe System Fault Detection)
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15 pages, 20258 KiB  
Article
Transient Tests for Checking the Trieste Subsea Pipeline: Toward Field Tests
by Silvia Meniconi, Bruno Brunone, Lorenzo Tirello, Andrea Rubin, Marco Cifrodelli and Caterina Capponi
J. Mar. Sci. Eng. 2024, 12(3), 374; https://doi.org/10.3390/jmse12030374 - 22 Feb 2024
Cited by 3 | Viewed by 570
Abstract
Subsea pipelines are vital arteries transporting oil, gas, and water over long distances and play a critical role in the global resource supply chain. However, they are the most vulnerable to damage from both human-made and natural causes and are characterized by inherent [...] Read more.
Subsea pipelines are vital arteries transporting oil, gas, and water over long distances and play a critical role in the global resource supply chain. However, they are the most vulnerable to damage from both human-made and natural causes and are characterized by inherent inaccessibility. As a result, routine inspection and monitoring technologies, both reliable and at the lowest possible cost, are needed to ensure their longevity. To fill this need, the use of transient-test-based techniques is proposed. In this first paper of a set of two companion papers, attention is focused on the selection of the appropriate maneuver that generates pressure waves and then on the planned steps—i.e., the sequence of actions—functional to the execution of the transient tests in the best flow conditions for effective fault detection. A brief review of the available fault detection technologies with their limitations is also offered. Finally, the performance of the proposed procedure is evaluated mainly in terms of the stability of the pressure regime prior to the execution of the transient test. Full article
(This article belongs to the Special Issue Underwater Pipe System Fault Detection)
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