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Journal of Marine Science and Engineering, Volume 12, Issue 8

August 2024 - 222 articles

Cover Story: Cathodic protection (CP) is critical to the long-term deployment of steel monopiles used to support offshore wind turbines. The application of CP to internal surfaces has created byproducts which alter seawater chemistry and may accelerate corrosion. One option for this is to incorporate perforations into the design to enable seawater flow. This could also create habitats for marine organisms and contribute to the sustainability goals of the industry. This research investigated aluminum sacrificial anode and impressed current CP applied to the inside of sealed and perforated steel pipes on the basis of current demand, internal water chemistry, and marine life. The CP systems inside the perforated pipes effectively controlled corrosion and behaved similarly to external systems. Marine organisms grew inside the perforated pipes, demonstrating the ability to create habitats for marine life. View this paper
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Articles (222)

  • Article
  • Open Access
2 Citations
1,376 Views
18 Pages

An integrated numerical model was developed to investigate the interaction between a tsunami-like solitary wave and a monopile on a sloping sandy seabed in this study. The solitary wave motion is governed by the RANS equations with the k-ε tu...

  • Article
  • Open Access
3 Citations
2,020 Views
19 Pages

Room-Temperature Creep Deformation of a Pressure-Resistant Cylindrical Structure Made of Dissimilar Titanium Alloys

  • Zirui Liu,
  • Fang Wang,
  • Bingxiong Zhao,
  • Jinfei Zhang,
  • Oleg Gaidai,
  • Zhongzhou Sun and
  • Kelin Wang

The long-term safety of pressure-resistant structures used in deep-sea equipment may be threatened by creep deformation. The creep deformation behavior of a pressure-resistant structure made of different titanium alloys, Ti-6Al-4V and Ti-4Al-2V, at r...

  • Article
  • Open Access
6 Citations
1,755 Views
19 Pages

Sailing speed is a critical factor affecting the ship’s energy consumption and operating costs for a voyage. Inland waterways present a complex navigation environment due to their narrow channels, numerous curved segments, and significant varia...

  • Article
  • Open Access
1 Citations
1,232 Views
22 Pages

Wave–Induced Soil Dynamics and Shear Failure Potential around a Sandbar

  • Ning Chen,
  • Linlong Tong,
  • Jisheng Zhang,
  • Yakun Guo,
  • Bo Liu and
  • Zhipeng Zhou

Sandbars are commonly encountered in coastal environments, acting as natural protections during storm events. However, the sandbar response to waves and possible shear failure is poorly understood. In this research, a two–dimensional numerical...

  • Article
  • Open Access
6 Citations
1,903 Views
20 Pages

Comparative Study on the Performances of a Hinged Flap-Type Wave Energy Converter Considering Both Fixed and Floating Bases

  • Mingsheng Chen,
  • Qihao Yun,
  • Thiago S. Hallak,
  • Hao Zhou,
  • Kai Zhang,
  • Yi Yang,
  • Tao Tao,
  • Shi Liu,
  • Wei Jiang and
  • Changjie Li

The dynamical modeling and power optimization of floating wind–wave platforms, especially in regard to configurations based on constrained floating multi-body systems, lack in-depth systematic investigation. In this study, a floating wind-flap...

  • Article
  • Open Access
5 Citations
2,783 Views
18 Pages

In some automated container terminals, railway lines have been implemented into the port, saving container transfer time. However, the equipment scheduling level of the railway yard needs to be improved for managers. In the equipment scheduling of lo...

  • Article
  • Open Access
6 Citations
2,696 Views
19 Pages

Among the extreme sea scenarios, freak waves pose a serious threat to offshore structures, potentially leading to structural failure, such as mooring line failure, floater capsizing, or structural damage. In this study, we conducted a numerical inves...

  • Article
  • Open Access
2 Citations
1,935 Views
16 Pages

Attention-Enhanced Bi-LSTM with Gated CNN for Ship Heave Multi-Step Forecasting

  • Wenzhuo Shi,
  • Zimeng Guo,
  • Zixiang Dai,
  • Shizhen Li and
  • Meng Chen

This study addresses the challenges of predicting ship heave motion in real time, which is essential for mitigating sensor–actuator delays in high-performance active compensation control. Traditional methods often fall short due to training on...

  • Article
  • Open Access
1 Citations
1,482 Views
16 Pages

In recent years, jacket foundations have been increasingly employed in offshore wind farms. Their complex design comprising piles and trusses poses challenges for conducting comprehensive flow field measurements using physical experiments. Consequent...

  • Article
  • Open Access
5 Citations
1,866 Views
14 Pages

Ship segmentation with small imaging size, which challenges ship detection and visual navigation model performance due to imaging noise interference, has attracted significant attention in the field. To address the issues, this study proposed a novel...

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J. Mar. Sci. Eng. - ISSN 2077-1312