Review of Experimental-Numerical Methodologies and Challenges for Floating Offshore Wind Turbines
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RESEARCH ARTICLE
Review of Experimental-Numerical Methodologies and Challenges for Floating Offshore Wind Turbines Peng Chen 1 & Jiahao Chen 2 & Zhiqiang Hu 1,3 Received: 15 July 2019 / Accepted: 1 May 2020 # The Author(s) 2020
Abstract Due to the dissimilar scaling issues, the conventional experimental method of FOWTs can hardly be used directly to validate the full-scale global dynamic responses accurately. Therefore, it is of absolute necessity to find a more accurate, economic and efficient approach, which can be utilized to predict the full-scale global dynamic responses of FOWTs. In this paper, a literature review of experimental-numerical methodologies and challenges for FOWTs is made. Several key challenges in the conventional basin experiment issues are discussed, including scaling issues; coupling effects between aero-hydro and structural dynamic responses; blade pitch control strategies; experimental facilities and calibration methods. Several basin experiments, industrial projects and numerical codes are summarized to demonstrate the progress of hybrid experimental methods. Besides, time delay in hardware-in-the-loop challenges is concluded to emphasize their significant role in real-time hybrid approaches. It is of great use to comprehend these methodologies and challenges, which can help some future researchers to make a footstone for proposing a more efficient and functional hybrid basin experimental and numerical method. Keywords Floating offshore wind turbines . Hybrid approach . Basin experiment . Numerical simulation . Wind energy
1 Introduction 1.1 Background In the face of rapidly growing energy demands and increasingly harsh environmental conditions, traditional energy supply will hardly meet the demand for sustainable development. Offshore wind has its enormous potential in renewable energy Article Highlights • Several basin experiments, industrial projects and numerical codes are summarized and discussed. • Integrated new challenges that distinguish them from traditional ones in basin model experiments and those in wind tunnel experiments. • Discussion of the state-of-the-art real-time hybrid approaches. * Peng Chen [email protected] 1
School of Engineering, Newcastle University, Newcastle upon Tyne NE1 7RU, UK
2
Guangdong Electric Power Design Institute Co., Ltd. of China Energy Engineering Group, Guangzhou 510663, China
3
College of Shipbuilding Engineering, Harbin Engineering University, Harbin 150001, China
markets, worldwide (James and Ros 2015). Compared with conventional fixed-bottom offshore wind, the floating offshore wind turbines (FOWTs) can take the merits of abundant wind resources over the deeper sea, also as the capacity of being dragged out to the wind site and assembly in port (Stewart and Muskulus 2016a). Meanwhile, reduction of visibility impacts if their distance far from the coast (Musial et al., 2003; Sclavounos 2008). The concept of FOWTs was firstly proposed by Heronemus (1972). Being dependent on the way of supporting the platform to obtain stability and res
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