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Yan Dong, Jian Zhang, Shaofeng Zhong and Yordan Garbatov
The study aims to develop a simplified strength assessment method for the preliminary structural design of a semi-submersible floating offshore wind turbine platform. The method includes load cases with extreme wave load effects and a load case dominated...
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Thinh Huynh and Young-Bok Kim
This study investigates the automated transportation control problem of an offshore floating platform that has limited or no maneuverability. The proposed solution involves two tugboats pushing into the platform and two other tugs towing it in the opposi...
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Pouria Amouzadrad, Sarat Chandra Mohapatra and Carlos Guedes Soares
An analytical model of a current load?s interaction with a moored floating flexible structure based on the Timoshenko?Mindlin beam theory is developed under the assumption of small-amplitude wave theory and the structural response. Theoretical solutions ...
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Wenxiang Yang, Yaozhen Han, Ronglin Ma, Mingdong Hou and Guang Yang
The floating platform motion of an offshore wind turbine system can exacerbate output power fluctuations and increase fatigue loads. This paper proposes a new scheme based on a fast second-order sliding mode (SOSM) control and an adaptive super-twisting ...
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Hongjian Zhang, Hao Wang, Xin Cai, Jiaojie Xie, Yazhou Wang and Ningchuan Zhang
Floating offshore wind turbines (FOWTs) still face many challenges in improving platform stability. A fully submersible FOWT platform with inclined side columns is designed to tackle the current technical bottleneck of the FOWT platform, combining the st...
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Shamsan Alsubal, Mohd S. Liew and Lim Eu Shawn
Floating offshore wind turbine foundations are based on platforms operated by the oil and gas industry. However, they are designed and optimized to meet the wind turbines? operating criteria. Although Malaysia is considered a low-wind-speed country, ther...
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Mohamad Hmedi, Emre Uzunoglu, Antonio Medina-Manuel, Jordi Mas-Soler, Felipe Vittori, Oscar Pires, José Azcona, Antonio Souto-Iglesias and C. Guedes Soares
This work evaluates the experimental test results regarding the operational performance of a free-float capable tension leg platform with a 10 MW wind turbine. It covers the platform dynamics in the selected installation area: Ribadeo, Spain. The model a...
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Xiaojiang Guo, Yu Zhang, Jiatao Yan, Yiming Zhou, Shu Yan, Wei Shi and Xin Li
Wind energy in the deep-sea area is more abundant and the capacity of wind turbines can be made larger. Therefore, the research on deep-sea floating offshore wind turbines will be the primary strategy for wind energy exploitation in the future. The spar-...
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Zong-Yu Chang, Xin Duan, Zhong-Qiang Zheng, Lin Zhao, Yu-Hu Yang, Xian-Yi Zhou, Peng Zhu, Jing-Wen He
Pág. 182 - 189
The offshore floating platform is the key equipment in offshore and gas development. The significant heave motions occur with the excitation of wind and waves, which will affect the safety of a riser system. A direct acting tensioner can be applied to re...
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Shan Gao, Lixian Zhang, Wei Shi, Bin Wang and Xin Li
Offshore wind energy, a clean energy resource, is considered to be a possible alternative to fossil energy. Floating offshore wind technology is considered to be a proper concept to develop abundant wind energy in deep water. Considering the reality of o...
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Islam Amin, Mohamed E.A. Ali, Seif Bayoumi, Selda Oterkus, Hosam Shawky and Erkan Oterkus
The supply of freshwater has become a worldwide interest, due to serious water shortages in many countries. Due to rapid increases in the population, poor water management, and limitations of freshwater resources, Egypt is currently below the water scarc...
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Beatrice Fenu, Valentino Attanasio, Pietro Casalone, Riccardo Novo, Giulia Cervelli, Mauro Bonfanti, Sergej Antonello Sirigu, Giovanni Bracco and Giuliana Mattiazzo
The energy innovation scenario sees hybrid wind-wave platforms as a promising technology for reducing the variability of the power output and for the minimization of the cost of offshore marine renewable installations. This article presents a model that ...
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Yin Zhang and Bumsuk Kim
Accurate prediction of the time-dependent system dynamic responses of floating offshore wind turbines (FOWTs) under aero-hydro-coupled conditions is a challenge. This paper presents a numerical modeling tool using commercial computational fluid dynamics ...
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Climent Molins, Pau Trubat, Xavi Gironella and Alexis Campos
One of the main aspects when testing floating offshore platforms is the scaled mooring system, particularly with the increased depths where such platforms are intended. The paper proposes the use of truncated mooring systems to emulate the real mooring s...
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Yongsheng Zhao, Jianmin Yang and Yanping He
Currently, floating wind turbines (FWTs) may be the more economical and suitable systems with which to exploit offshore wind energy in deep waters. Among the various types of floating foundations for offshore wind farms, a tension leg platform (TLP) foun...
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Nianxin Ren, Yugang Li and Jinping Ou
In this study, two types of floating offshore wind turbine (FOWT) systems were proposed: a traditional tension leg platform (TLP) type and a new TLP type with additional mooring chains. They were both based on the National Renewable Energy Laboratory 5 M...
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Dongxi Liu, Xiaoying Wang and Yujiao Chen
In this work, in order to elucidate the three-dimensional (3D) resonant sloshing dynamics of the oil?water interface in an offshore cylindrical wet storage tank, a series of model experiments are conducted in a completely filled cylindrical tank containi...
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Hoi-Yi Tong, Tsung-Yueh Lin and Shiu-Wu Chau
This study predicted the motion response and power performance of a floating wind turbine system equipped with a semisubmersible Taida platform, an IEA 15 MW wind turbine, and a 3 × 2 mooring design in the Hsinchu offshore area in the Taiwan Strait. The ...
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Yiming Zhou, Yajun Ren, Wei Shi and Xin Li
Tension leg platform (TLP) is a cost-effective and high-performance support structure for floating offshore wind turbine (FOWT) because of its small responses in heave, pitch, and roll with the constraint of the tendons. China, as the largest market of o...
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Chiemela Victor Amaechi, Facheng Wang and Jianqiao Ye
The application of marine bonded hoses has increased in recent times, due to the need for more flexible conduits and flexible applications in the offshore industry. These marine structures include Catenary Anchor Leg Moorings (CALM) buoys and ocean monit...
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