Offshore Pipes and Energy Equipment

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: closed (20 October 2025) | Viewed by 631

Special Issue Editors

School of Mechatronic Engineering, Southwest Petroleum University, Chengdu 610500, China
Interests: pipeline safety; hydrogen storage and transportation; pressure vessels design; safe and efficient utilization of clean energy

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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
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Special Issue Information

Dear Colleagues,

Offshore pipes and energy equipment represent core infrastructure that drives global ocean resource development and clean energy transformation. Their technological innovation and reliability are directly related to energy security, environmental protection, and economic benefits. With the rapid development of deep-sea exploration and development, offshore wind power, and hydrogen production from seawater, offshore pipes and equipment are facing challenges such as extreme environments, material durability, intelligent operation, and maintenance. To promote technological progress and exchange in this field, this Special Issue seeks original papers or reviews in the areas of ocean pipeline systems, offshore wind power, seawater hydrogen production, hydrogen energy equipment, oil and gas extraction equipment, material failure, corrosion and protection, and risk management.

Dr. Jie Zhang
Dr. Dejan Brkić
Prof. Dr. Bruno Brunone
Guest Editors

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Keywords

  • pipe integrity
  • offshore platform
  • storage and transportation equipment
  • oil and gas extraction equipment
  • offshore power generation
  • hydrogen production from seawater
  • offshore photovoltaics
  • clean energy equipment

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Published Papers (1 paper)

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Research

18 pages, 3597 KB  
Article
A Pipeline Hoop Stress Measurement Method Based on Propagation Path Correction of LCR Waves
by Bing Chen, Binbin Wang, Feifei Qiu, Chunlang Luo, Jiakai Chen and Guoqing Gou
J. Mar. Sci. Eng. 2025, 13(10), 1845; https://doi.org/10.3390/jmse13101845 - 24 Sep 2025
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Abstract
Pipelines are extensively used in offshore equipment. Accurate and non-destructive measurement of hoop stress conditions within pipes is critical for ensuring the integrity of offshore structures. However, the existing technology to measure the hoop stress of the pipeline needs to planarize the surface [...] Read more.
Pipelines are extensively used in offshore equipment. Accurate and non-destructive measurement of hoop stress conditions within pipes is critical for ensuring the integrity of offshore structures. However, the existing technology to measure the hoop stress of the pipeline needs to planarize the surface of the pipeline, which greatly limits the detection efficiency. This study proposes a method for pipeline hoop stress measurement using a planar longitudinal critically refracted (LCR) probe, based on correcting LCR wave-propagation paths, which solves the problem of pipeline planarization in pipeline hoop stress measurement. First, a linear relationship between stress variations and ultrasonic time-of-flight changes in the material was established based on the acoustoelastic effect. Finite element analysis was then used to construct an acoustic simulation model for the hoop direction of the pipeline. Simulation results showed that LCR waves propagated within a wedge as quasi-plane waves and, upon oblique incidence into the pipeline, traveled along the chordal direction. Furthermore, using ray tracing methods, a mapping relationship between the pipeline geometry and the ultrasonic propagation path was established. Based on this, the LCR pipeline hoop stress measurement (LCR-HS) method was proposed. Finally, a C-shaped ring was employed to verify the measurement accuracy of the LCR-HS method. Experimental results indicated that the measurement error decreased with increasing pipe diameter and fell below 8% when the diameter exceeded 400 mm. This method enables precise measurement of hoop stress on curved surfaces by revealing the hoop propagation behavior of LCR waves in pipelines. The findings provide a technical reference for evaluating pipeline stress states, which is of significant importance for assessment of pipeline integrity. Full article
(This article belongs to the Special Issue Offshore Pipes and Energy Equipment)
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