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Damir Karabaic, Marko Kr?ulja, Sven Maricic and Lovro Liveric
The most commonly used subsea pipeline installation method is the S-Lay method. A very important and complex task in an S-Lay installation engineering analysis is to find the optimal pipelay vessel installation configuration for every distinctive pipelin...
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Muhammad Zahid Jiwa, Young Tae Kim, Zahiraniza Mustaffa, Seungjun Kim and Do Kyun Kim
Traditionally, subsea pipelines designed for the transportation of oil, gas, and water are constructed using carbon steel due to its strength, toughness, and ability to operate at temperatures up to 427 °C. However, polyethylene (PE), especially its high...
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Chengyu Liang, Wei Xiong, Meiling Wang, David S. K. Ting, Rupp Carriveau and Zhiwen Wang
As an emerging flexible-scale energy storage technology, underwater compressed gas energy storage (UW-CGES) is regarded as a promising energy storage option for offshore platforms, offshore renewable energy farms, islands, coastal cities, etc. Liquid acc...
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Xing Zou, Botao Xie, Zhipeng Zang, Enbang Chen and Jing Hou
Sand waves are commonly formed on the sandy seabed of the continental shelf and characterized by their regular wave-like shape. When a submarine pipeline is laid on this type of seabed, it often experiences free spans due to the unevenness of the seabed....
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Youkou Dong, Enjin Zhao, Lan Cui, Yizhe Li and Yang Wang
Submarine pipelines are widely adopted around the world for transporting oil and gas from offshore fields. They tend to be severely ruined by the extreme waves induced by the natural disaster, such as hurricanes and tsunamis. To maintain the safety and f...
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Mohammad Najafzadeh and Giuseppe Oliveto
Offshore pipelines are occasionally exposed to scouring processes; detrimental impacts on their safety are inevitable. The process of scouring propagation around offshore pipelines is naturally complex and is mainly due to currents and/or waves. There is...
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Dongfang Liang, Jie Huang, Jingxin Zhang, Shujing Shi, Nichenggong Zhu and Jun Chen
In the past few decades, there have been many numerical studies on the scour around offshore pipelines, most of which concern two-dimensional setups, with the pipeline infinitely long and the flow perpendicular to the pipeline. Based on the Ansys FLUENT ...
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Fredrik Fogh Sørensen, Malte von Benzon, Jesper Liniger and Simon Pedersen
Offshore pipelines and structures require regular marine growth removal and inspection to ensure structural integrity. These operations are typically carried out by Remotely Operated Vehicles (ROVs) and demand reliable and accurate feedback signals for o...
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Yan Dong, Guanglei Ji, Lin Fang and Xin Liu
During the service life of offshore pipelines, many start-up and shut-down cycles take place, possibly leading to significant cyclic loads. Fatigue failure may occur, resulting in serious environmental pollution and loss of property. The study aims to as...
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Ming Ju, Xiaodong Xing, Liquan Wang, Feihong Yun, Xiangyu Wang and Hongqian Liao
During the reeling process of the reel-lay method, the pipe will be subjected to combined loading of tension and bending. Excessive ovalization of the pipe will affect the structural performance and even lead to structural instability of the pipe. In thi...
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