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Journal articles on the topic 'Wind turbines- Structural engineering'

Author: Grafiati

Published: 6 September 2023

Last updated: 31 July 2025

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1

Zong, Shuai, Kun Liu, Yichi Zhang, Xingpeng Yan, and Yukai Wang. "The Dynamic Response of a Floating Wind Turbine under Collision Load Considering the Coupling of Wind-Wave-Mooring Loads." Journal of Marine Science and Engineering 11, no. 9 (2023): 1741. http://dx.doi.org/10.3390/jmse11091741.

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As the number of offshore wind turbines continues to rise and their proximity to navigational routes decreases, the risk of collisions between passing vessels and wind turbines increases, thereby presenting serious threats to the safety of personnel and equipment. Given that collisions between floating wind turbines and vessels entail a complex interplay of wind, wave, and mooring loads, this study established a bidirectional fluid-structure coupling simulation methodology based on Star-CCM+ and ABAQUS. Under the combined influences of wind, wave, and mooring loads, the study investigated the

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2

Roddier, Dominique, and Joshua Weinstein. "Floating Wind Turbines." Mechanical Engineering 132, no. 04 (2010): 28–32. http://dx.doi.org/10.1115/1.2010-apr-2.

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This article discusses the functioning of floating wind turbines. The engineering requirements for the design of floating offshore wind turbines are extensive. Wind turbine design tools usually consist of an aerodynamic model (for flow around the blades) coupled with a structural code. Aero-elastic models used in the design of fixed turbines calculate all the necessary loading parameters, from turbine thrust and power generation, to blade and tower deflections. The design of floating structures usually involves hydrodynamics tools such as WAMIT Inc.’s software for studying wave interactions wi

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3

Hua, Xugang, Qingshen Meng, Bei Chen, and Zili Zhang. "Structural damping sensitivity affecting the flutter performance of a 10-MW offshore wind turbine." Advances in Structural Engineering 23, no. 14 (2020): 3037–47. http://dx.doi.org/10.1177/1369433220927260.

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Classical flutter of wind turbine blades is one of the most destructive instability phenomena of wind turbines especially for several-MW-scale turbines. In the present work, flutter performance of the DTU 10-MW offshore wind turbine is investigated using a 907-degree-of-freedom aero-hydro-servo-elastic wind turbine model. This model involves the couplings between tower, blades and drivetrain vibrations. Furthermore, the three-dimensional aerodynamic effects on wind turbine blade tip have also been considered through the blade element momentum theory with Bak’s stall delay model and Shen’s tip

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4

Asim, Taimoor, Sheikh Zahidul Islam, Arman Hemmati, and Muhammad Saif Ullah Khalid. "A Review of Recent Advancements in Offshore Wind Turbine Technology." Energies 15, no. 2 (2022): 579. http://dx.doi.org/10.3390/en15020579.

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Offshore wind turbines are becoming increasingly popular due to their higher wind energy harnessing capabilities and lower visual pollution. Researchers around the globe have been reporting significant scientific advancements in offshore wind turbines technology, addressing key issues, such as aerodynamic characteristics of turbine blades, dynamic response of the turbine, structural integrity of the turbine foundation, design of the mooring cables, ground scouring and cost modelling for commercial viability. These investigations range from component-level design and analysis to system-level re

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Abreu, Rafael, Daniel Peter, and Christine Thomas. "Reduction of wind-turbine-generated seismic noise with structural measures." Wind Energy Science 7, no. 3 (2022): 1227–39. http://dx.doi.org/10.5194/wes-7-1227-2022.

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Abstract. Reducing wind turbine noise recorded at seismological stations promises to lower the conflict between renewable energy producers and seismologists. Seismic noise generated by the movement of wind turbines has been shown to travel large distances, affecting seismological stations used for seismic monitoring and/or the detection of seismic events. In this study, we use advanced 3D numerical techniques to study the possibility of using structural changes in the ground on the wave path between the wind turbine and the seismic station in order to reduce or mitigate the noise generated by

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6

Li, Jiawen, Jingyu Bian, Yuxiang Ma, and Yichen Jiang. "Impact of Typhoons on Floating Offshore Wind Turbines: A Case Study of Typhoon Mangkhut." Journal of Marine Science and Engineering 9, no. 5 (2021): 543. http://dx.doi.org/10.3390/jmse9050543.

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A typhoon is a restrictive factor in the development of floating wind power in China. However, the influences of multistage typhoon wind and waves on offshore wind turbines have not yet been studied. Based on Typhoon Mangkhut, in this study, the characteristics of the motion response and structural loads of an offshore wind turbine are investigated during the travel process. For this purpose, a framework is established and verified for investigating the typhoon-induced effects of offshore wind turbines, including a multistage typhoon wave field and a coupled dynamic model of offshore wind turb

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Jiang, Jianlun, Han Koo Jeong, and Haoyu Dou. "Study on the Structural Strength Assessment of Mega Offshore Wind Turbine Tower." Energies 18, no. 1 (2024): 69. https://doi.org/10.3390/en18010069.

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This study addresses the critical engineering challenges in the structural design of offshore wind turbine towers, focusing on enhancing resistance to extreme environmental loads. As the demand for renewable energy increases, the design of mega offshore wind turbines requires robust solutions for structural reliability and longevity. Using finite element analysis (FEA), this research evaluates the effectiveness of various internal stiffener designs—ring stiffeners, skeletal-type stiffeners, and their combinations—in reinforcing cylindrical offshore wind turbine towers against wind and wave for

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8

Gong, Sen, Kai Pan, Hua Yang, and Junwei Yang. "Experimental Study on the Effect of the Blade Tip Distance on the Power and the Wake Recovery with Small Multi-Rotor Wind Turbines." Journal of Marine Science and Engineering 11, no. 5 (2023): 891. http://dx.doi.org/10.3390/jmse11050891.

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In order to investigate the output power and wake velocity of small multi-rotor wind turbines compared to single-rotor wind turbines, which operate in the same swept area at various blade tip distances, this paper used the wind tunnel test method to examine single-rotor wind turbines with diameter D of 0.4 m and 0.34 m corresponding to the triple-rotor wind turbines and double-rotor wind turbines with a single rotor diameter D of 0.24 m, respectively. The experimental results indicated that, without rotation speed control, the triple-rotor wind turbine produced more power than the single-rotor

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9

Moll, Jochen. "Damage detection in grouted connections using electromechanical impedance spectroscopy." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 233, no. 3 (2018): 947–50. http://dx.doi.org/10.1177/0954406218764226.

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Grouted connections are structural joints formed by a cementitious grout cast between two concentric circular tubes. They are widely used in the offshore construction of oil and gas platforms, and for offshore wind turbines (monopiles and jackets). However, their application in offshore wind turbine installations can be critical due to the high bending moments coming from wind loading. Recently, it was found that grouted connections show limited performance in offshore wind turbine installations leading to settlements between the steel tubes and steel/grout debonding. Hence, structural health

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10

Xia, Yaping, Minghui Yin, Ruiyu Li, De Liu, and Yun Zou. "Integrated structure and maximum power point tracking control design for wind turbines based on degree of controllability." Journal of Vibration and Control 25, no. 2 (2018): 397–407. http://dx.doi.org/10.1177/1077546318783363.

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A linearization model is obtained for a three-bladed horizontal-axis wind turbine (HAWT) consisting of blades and a drive-train. Sensitivity analysis of the degree of controllability (DOC) and maximum power point tracking (MPPT) efficiency with respect to the structural parameters of wind turbines is discussed by numerical simulations. It is observed from the simulation results that higher MPPT efficiency can be achieved with the increase of DOC. Based on the observation, this paper proposes a new integrated design method based on DOC to design and optimize the structural parameters of a HAWT.

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11

Manolas, Dimitris I., Panagiotis K. Chaviaropoulos, and Vasilis A. Riziotis. "Assessment of Vortex Induced Vibrations on wind turbines." Journal of Physics: Conference Series 2257, no. 1 (2022): 012011. http://dx.doi.org/10.1088/1742-6596/2257/1/012011.

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Abstract Modern wind turbines are prone to Vortex Induced Vibrations (VIV). In the present work, an engineering semi-empirical framework is proposed that assesses VIV aero-elastic instabilities of wind turbine configurations. The procedure employs engineering tools relying on airfoil polars. It uses the state-of-the-art aero-elastic tool hGAST along with the EUROCODE VIV framework for steel structures extended to wind turbine configurations. The aero-elastic tool provides the missing modal input data (i.e. modal frequencies, total structural plus aerodynamic modal damping and modeshapes) to ev

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Zhang, Lidong, Zhengcong Feng, Yuze Zhao, et al. "Experimental Study of Wake Evolution under Vertical Staggered Arrangement of Wind Turbines of Different Sizes." Journal of Marine Science and Engineering 12, no. 3 (2024): 434. http://dx.doi.org/10.3390/jmse12030434.

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During the expansion of a wind farm, the strategic placement of wind turbines can significantly improve wind energy utilization. This study investigates the evolution of wake turbulence in a wind farm after introducing smaller wind turbines within the gaps between larger ones, focusing on aspects such as wind speed, turbulence intensity, and turbulence integral length scale. The flow field conditions are described using parameters like turbulence critical length and power spectral density, as determined through wind tunnel experiments. In these experiments, a single large wind turbine model an

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Ahmed, Fahim Masud, and Mostafa Bakhoday Paskyabi. "Effects of negative shear on loads for a 15 MW offshore wind turbine during low-level jet events." Journal of Physics: Conference Series 2626, no. 1 (2023): 012046. http://dx.doi.org/10.1088/1742-6596/2626/1/012046.

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Abstract Wind turbines are more often interacting with the negative shear region of a low-level jet due to increasing turbine sizes. However, the effects of negative shear on wind turbines are not sufficiently studied, particularly for offshore wind applications. In this paper, we studied the effects of negative shear on wind turbine loading. This was done using user-defined wind profiles and a model chain. The model chain consisted of a turbulence generator and a wake modelling tool coupled to an aero-hydro-servo-elastic engineering tool. We observed significant variations in the structural l

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14

Hsu, Ming-Hung, and Zheng-Yun Zhuang. "An Intelligent Detection Logic for Fan-Blade Damage to Wind Turbines Based on Mounted-Accelerometer Data." Buildings 12, no. 10 (2022): 1588. http://dx.doi.org/10.3390/buildings12101588.

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Many wind turbines operate in harsh marine or shore environments. This study assists industry by establishing a real-time condition-monitoring and fault-detection system, with rules for recognizing a wind turbine’s abnormal operation mainly caused by different types of fan-blade damage. This system can ensure ideal wind turbine operation by monitoring the health status of the blades, detecting sudden anomalies, and performing maintenance almost in real time. This is especially significant for wind farms in areas subject to frequent natural disasters (e.g., earthquakes and typhoons). Turbines m

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15

Zhang, Huiming, Dong Zhang, Yong Zhou, Mark E. J. Cutler, Dandan Cui, and Zhuo Zhang. "Quantitative Analysis of the Interaction between Wind Turbines and Topography Change in Intertidal Wind Farms by Remote Sensing." Journal of Marine Science and Engineering 10, no. 4 (2022): 504. http://dx.doi.org/10.3390/jmse10040504.

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Offshore wind farms have developed rapidly in Jiangsu Province, China, over the last decade. The existence of offshore wind turbines will inevitably impact hydrological and sedimentary environments. In this paper, a digital elevation model (DEM) of the intertidal sandbank in southern Jiangsu Province from 2018 to 2020 was constructed based on the improved remote sensing waterline method. On this basis, the stability of the sandbank was analysed, and combined with the hypothetical sandbank surface discrimination method (HSSDM), the erosional/depositional influences of wind turbine construction

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16

Sonune, Gaurav G., Chandani S. Bisen, Chhagendranath K. Nagmote, Akshay K. Dhongade, and Akshay B. Kathwate. "Fabrication of Vertical Axis Wind Turbine and Application." International Journal for Research in Applied Science and Engineering Technology 10, no. 4 (2022): 127–29. http://dx.doi.org/10.22214/ijraset.2022.41206.

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Abstract: Wind energy is one of the renewable energy sources and the trend is positive and increasing year by year. This technology is applied widely in several regions in the world and already has maturity in technology, good infrastructure, and relative cost competitiveness. The application of structural health monitoring (SHM) is crucial especially to evaluate the performance of wind turbines in real-time assessment. One of the main advantages of this type of wind turbine is the fact that is the only one that was accepted by the environmental agencies because the special shape of the rotor

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Shaler, Kelsey, Amy N. Robertson, and Jason Jonkman. "Sensitivity analysis of the effect of wind and wake characteristics on wind turbine loads in a small wind farm." Wind Energy Science 8, no. 1 (2023): 25–40. http://dx.doi.org/10.5194/wes-8-25-2023.

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Abstract. Wind turbines are designed using a set of simulations to determine the fatigue and ultimate loads, which are typically focused solely on unwaked wind turbine operation. These structural loads can be significantly influenced by the wind inflow conditions. Turbines experience altered inflow conditions when placed in the wake of upstream turbines, which can additionally influence the fatigue and ultimate loads. It is important to understand the impact of uncertainty on the resulting loads of both unwaked and waked turbines. The goal of this work is to assess which wind-inflow-related an

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18

Serrano-Antoñanazas, Mikel, Jesús-Enrique Sierra-Garcia, Matilde Santos, and María Tomas-Rodríguez. "Identification of Vibration Modes in Floating Offshore Wind Turbines." Journal of Marine Science and Engineering 11, no. 10 (2023): 1893. http://dx.doi.org/10.3390/jmse11101893.

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Compared to onshore turbines, floating offshore wind turbines (FOWTs) take advantage of the increased availability of offshore wind while causing less environmental impact. However, the strong winds, waves, and currents to which they are subjected trigger oscillations that can cause significant damage to the entire structural system and reduce its useful life. To reduce these loads, active tower damping techniques such as filter banks can be used. These filters must be carefully tuned to block specific vibration frequencies. Therefore, it is essential to analyze the nature of the oscillations

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19

Wang, Zhuoran, Gang Hu, Dongqin Zhang, Bubryur Kim, Feng Xu, and Yiqing Xiao. "Aerodynamic Characteristics of a Square Cylinder with Vertical-Axis Wind Turbines at Corners." Applied Sciences 12, no. 7 (2022): 3515. http://dx.doi.org/10.3390/app12073515.

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A preliminary study is carried out to investigate the aerodynamic characteristics of a square cylinder with Savonius wind turbines and to explain the reason why this kind of structure can suppress wind-induced vibrations. A series of computational fluid dynamics simulations are performed for the square cylinders with stationary and rotating wind turbines at the cylinder corners. The turbine orientation and the turbine rotation speed are two key factors that affect aerodynamic characteristics of the cylinder for the stationary and rotating turbine cases, respectively. The numerical simulation r

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20

Ezzine, Marwa, Zied Guidara, Hiba Cherif, and Jalila Sghaier. "Numerical and experimental investigation of a wind rotor equipped with wind catcher system." International Journal of Low-Carbon Technologies 18 (2023): 1140–53. http://dx.doi.org/10.1093/ijlct/ctad096.

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Abstract Wind energy is a key driver for the transformation towards a sustainable energy system. From a certain point of view, the main parameter is to increase the turbines' height and the rotor's size to improve the economic aspect and performance. On the other hand, ‘ducted wind turbines’, which can significantly improve the performance of smaller wind turbines, are attracting much attention. The objective is to create system compatible with urban environments and at the same time improve the efficiency of ducted wind turbines. This article studies a configuration, namely a wind turbine equ

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Antoniadou, I., N. Dervilis, E. Papatheou, A. E. Maguire, and K. Worden. "Aspects of structural health and condition monitoring of offshore wind turbines." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 373, no. 2035 (2015): 20140075. http://dx.doi.org/10.1098/rsta.2014.0075.

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Wind power has expanded significantly over the past years, although reliability of wind turbine systems, especially of offshore wind turbines, has been many times unsatisfactory in the past. Wind turbine failures are equivalent to crucial financial losses. Therefore, creating and applying strategies that improve the reliability of their components is important for a successful implementation of such systems. Structural health monitoring (SHM) addresses these problems through the monitoring of parameters indicative of the state of the structure examined. Condition monitoring (CM), on the other

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Benham, A., K. Thyagarajan, Sylvester J. John, and S. Prakash. "Structural Analysis of a Wind Turbine Blade." Advanced Materials Research 768 (September 2013): 40–46. http://dx.doi.org/10.4028/www.scientific.net/amr.768.40.

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Wind turbines blades of propeller type are made according to various blade profiles such as NACA, LS, and LM. There are many factors for selecting a profile. One significant factor is the chord length, which depend on various values throughout the blade. In this work a NACA 4412 profile was created using DESIGN FOIL software to obtain the coordinates of a wind turbine blade in PRO/E. Aerodynamic analysis was done on the created design. Maximum lift to drag ratio was calculated by varying angle of attack of the blade. To find a suitable composite for wind turbine blade, Modal and Static analysi

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Tian, Xiange, Yongjian Jiang, Chen Liang, et al. "A Novel Condition Monitoring Method of Wind Turbines Based on GMDH Neural Network." Energies 15, no. 18 (2022): 6717. http://dx.doi.org/10.3390/en15186717.

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The safety of power transmission systems in wind turbines is crucial to the wind turbine’s stable operation and has attracted a great deal of attention in condition monitoring of wind farms. Many different intelligent condition monitoring schemes have been developed to detect the occurrence of defects via supervisory control and data acquisition (SCADA) data, which is the most commonly applied condition monitoring system in wind turbines. Normally, artificial neural networks are applied to establish prediction models of the wind turbine condition monitoring. In this paper, an alternative and c

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Vennell, Ross. "An optimal tuning strategy for tidal turbines." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 472, no. 2195 (2016): 20160047. http://dx.doi.org/10.1098/rspa.2016.0047.

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Tuning wind and tidal turbines is critical to maximizing their power output. Adopting a wind turbine tuning strategy of maximizing the output at any given time is shown to be an extremely poor strategy for large arrays of tidal turbines in channels. This ‘impatient-tuning strategy’ results in far lower power output, much higher structural loads and greater environmental impacts due to flow reduction than an existing ‘patient-tuning strategy’ which maximizes the power output averaged over the tidal cycle. This paper presents a ‘smart patient tuning strategy’, which can increase array output by

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Sun, Da-Gang, Jin-Jun Guo, Yong Song, Bi-juan Yan, Zhan-Long Li, and Hong-Ning Zhang. "Flutter stability analysis of a perforated damping blade for large wind turbines." Journal of Sandwich Structures & Materials 21, no. 3 (2017): 973–89. http://dx.doi.org/10.1177/1099636217705290.

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The flutter stability of wind turbine blades is one of the important contents in the research of wind turbines. The bending stiffness of blades has decreased with the development of large-sized wind turbines. To achieve damping flutter-suppressing on the long spanwise blades, perforated damping blade was proposed under the consideration of the structural damping factor and the structural stiffness in this paper. Through the study of the unit cell, the deformation model was established and the structural loss factor of the perforated damping blade was derived. The undamped blade and the perfora

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Devriendt, Christof, Filipe Magalhães, Wout Weijtjens, Gert De Sitter, Álvaro Cunha, and Patrick Guillaume. "Structural health monitoring of offshore wind turbines using automated operational modal analysis." Structural Health Monitoring 13, no. 6 (2014): 644–59. http://dx.doi.org/10.1177/1475921714556568.

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This article will present and discuss the approach and the first results of a long-term dynamic monitoring campaign on an offshore wind turbine in the Belgian North Sea. It focuses on the vibration levels and modal parameters of the fundamental modes of the support structure. These parameters are crucial to minimize the operation and maintenance costs and to extend the lifetime of offshore wind turbine structure and mechanical systems. In order to perform a proper continuous monitoring during operation, a fast and reliable solution, applicable on an industrial scale, has been developed. It wil

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Berdugo-Parada, I., B. Servan-Camas, and J. Garcia-Espinosa. "Numerical Framework for the Coupled Analysis of Floating Offshore Multi-Wind Turbines." Journal of Marine Science and Engineering 12, no. 1 (2023): 85. http://dx.doi.org/10.3390/jmse12010085.

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Floating offshore multi-wind turbines (FOMWTs) are an interesting alternative to the up-scaling of wind turbines. Since this is a novel concept, there are few numerical tools for its coupled dynamic assessment at the present time. In this work, a numerical framework is implemented for the simulation of multi-rotor systems under environmental excitations. It is capable of analyzing a platform using leaning towers that handle wind turbines with their own features and control systems. This tool is obtained by coupling the seakeeping hydrodynamics solver SeaFEM with the single wind turbine simulat

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Omidi, Javad. "Advances and opportunities in wind energy harvesting using plasma actuators: a review." Clean Energy 8, no. 1 (2024): 197–225. http://dx.doi.org/10.1093/ce/zkad085.

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Abstract The dielectric barrier discharge plasma actuator has been recognized as a leading technology for controlling fluid flow and has found remarkable applications in wind energy harvesting over the past decade. Wind turbine aerodynamics are critical in this concept and performance is mainly determined by flow controllers, although significant technical progress is still required. This paper examines all the critical studies to investigate the potential application of plasma actuators for airflow control over wind turbines. This approach has been divided into three categories: wind turbine

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Alhrshy, Laurence, Alexander Lippke, and Clemens Jauch. "Variable Blade Inertia in State-of-the-Art Wind Turbine Structural-Dynamics Models." Energies 16, no. 16 (2023): 6061. http://dx.doi.org/10.3390/en16166061.

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This paper presents a comparison of two methods to represent variable blade inertia in two codes for aero-servo-elastic simulations of wind turbines: the nonlinear aeroelastic multi-body model HAWC2 and the nonlinear geometrically exact beam model BeamDyn for OpenFAST. The main goal is to enable these tools to simulate the dynamic behavior of a wind turbine with variable blade inertia. However, current state-of-the-art load simulation tools for wind turbines cannot simulate variable blade inertia, so the source code of these tools must be modified. The validity of the modified codes is proven

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Liu, Qinming, Zhinan Li, Tangbin Xia, Minchih Hsieh, and Jiaxiang Li. "Integrated Structural Dependence and Stochastic Dependence for Opportunistic Maintenance of Wind Turbines by Considering Carbon Emissions." Energies 15, no. 2 (2022): 625. http://dx.doi.org/10.3390/en15020625.

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Wind turbines have a wide range of applications as the main equipment for wind-power generation because of the rapid development of technology. It is very important to select a reasonable maintenance strategy to reduce the operation and maintenance costs of wind turbines. Traditional maintenance does not consider the environmental benefits. Thus, for the maintenance problems of wind turbines, an opportunistic maintenance strategy that considers structural correlations, random correlations, and carbon emissions is proposed. First, a Weibull distribution is used to describe the deterioration tre

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Ibrahim, Mohd Zamri, and Aliashim Albani. "Wind turbine rank method for a wind park scenario." World Journal of Engineering 13, no. 6 (2016): 500–508. http://dx.doi.org/10.1108/wje-09-2016-0083.

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Purpose This paper aims to present a method of the wind turbine ranking, either stall or pitch-regulated wind turbine (WTG), to determine the suitability of wind turbine in a selected site. Design/methodology/approach The method included the wind park target capacity, the maximum hub-height, the standard rotor diameter and the characteristic of wind speed on the site. As the method had been applied to a wind park, with more than one wind turbine, the wake losses had been considered by subtracting the gross capacity factor. Besides, the turbine-site matching index (TSMI) was computed by dividin

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Farrell, Alayna, Fernando Ponta, and Apurva Baruah. "Analysis of the Aeroelastic Dynamics of Lightweight Flexible Variations of the SNL-NRT Turbine." Applied Mechanics 5, no. 2 (2024): 280–304. http://dx.doi.org/10.3390/applmech5020017.

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Current trends show that wind turbines are growing in size to meet a rising demand for renewable energy generation, and their upscaled rotors have inherently become more flexible to maintain a proportionally lighter design. This is because larger rotors must be less massive relative to their diameter to minimize the levelized cost of energy (LCOE), which means that blades that are notably less stiff are produced as a result. These structural changes to blades are often reflected in their compromised aeroelastic stability and amplified deformation during operation, which has the potential to de

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Deda Altan, Burcin, and Gursel Seha Gultekin. "Investigation of Performance Enhancements of Savonius Wind Turbines through Additional Designs." Processes 11, no. 5 (2023): 1473. http://dx.doi.org/10.3390/pr11051473.

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This study examines the literature on improving the low performance of Savonius wind turbines, which are a type of vertical axis wind turbine. The literature studies on improving the performance of Savonius turbines have been summarized into two categories: interior structural design and exterior additional design. Due to the extensive nature of studies focusing on interior design changes, this research primarily focuses on performance studies related to exterior design modifications of Savonius wind turbines, particularly in recent years. This study aimed to provide a comprehensive examinatio

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Lu, Nan-You, Lance Manuel, Patrick Hawbecker, and Sukanta Basu. "A Simulation Study on Risks to Wind Turbine Arrays from Thunderstorm Downbursts in Different Atmospheric Stability Conditions." Energies 14, no. 17 (2021): 5407. http://dx.doi.org/10.3390/en14175407.

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Thunderstorm downbursts have been reported to cause damage or failure to wind turbine arrays. We extend a large-eddy simulation model used in previous work to generate downburst-related inflow fields with a view toward defining correlated wind fields that all turbines in an array would experience together during a downburst. We are also interested in establishing what role contrasting atmospheric stability conditions can play on the structural demands on the turbines. This interest is because the evening transition period, when thunderstorms are most common, is also when there is generally ack

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Guo, Xiaojiang, Yu Zhang, Jiatao Yan, et al. "Integrated Dynamics Response Analysis for IEA 10-MW Spar Floating Offshore Wind Turbine." Journal of Marine Science and Engineering 10, no. 4 (2022): 542. http://dx.doi.org/10.3390/jmse10040542.

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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-type platform depends on the characteristics of a small water plane, deep draft, and good stability, which has been applied to the commercial development of deep-sea wind energy. In the next ten years, the 10-MW wind turbine will become the mainstream class installed in the floating offshore wind turbine farm. Thus, it is very necessary to cond

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Wang, Xin, Deyou Liu, Ling Zhou, and Chao Li. "A Compound Approach for Monitoring the Variation in Wind Turbine Power Performance with SCADA Data." Applied Sciences 14, no. 7 (2024): 2963. http://dx.doi.org/10.3390/app14072963.

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The performance of wind turbines directly determines the profitability of wind farms. However, the complex environmental conditions and influences of various uncertain factors make it difficult to accurately assess and monitor the actual power generation performance of wind turbines. A data-driven approach is proposed to intelligently monitor the power generation performance evolution of wind turbines based on operational data. Considering the inherent nonlinearity and structural complexity of wind turbine systems, a data-derived characteristic construction and dimensionality reduction method

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Jiang, Yadong, William Finnegan, Tomas Flanagan, and Jamie Goggins. "Optimisation of Highly Efficient Composite Blades for Retrofitting Existing Wind Turbines." Energies 16, no. 1 (2022): 102. http://dx.doi.org/10.3390/en16010102.

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Currently, wind energy, a reliable, affordable, and clean energy source, contributes to 16% of Europe’s electricity. A typical modern wind turbine design lifespan is 20 years. In European Union countries, the number of wind turbines reaching 20 years or older will become significant beyond 2025. This research study presents a methodology aiming to upgrade rotor blades for existing wind turbines to extend the turbine life. This methodology employs blade element momentum theory, finite element analysis, genetic algorithm, and direct screen methods to optimise the blade external geometry and stru

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Li, Bing, Kang Rong, Haifeng Cheng, and Yongxin Wu. "Fatigue Assessment of Monopile Supported Offshore Wind Turbine under Non-Gaussian Wind Field." Shock and Vibration 2021 (August 3, 2021): 1–12. http://dx.doi.org/10.1155/2021/6467617.

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The vibration of offshore wind turbines caused by external loads is significant, which will cause fatigue damage to offshore wind turbines. Wind load is the main load during the operation period of the wind turbine, and available studies have shown that the external wind field often exhibits certain non-Gaussian characteristics. This article aims to obtain the fatigue assessment of the monopile foundation of the wind turbine under the non-Gaussian wind fields. A 5 MW wind turbine is selected in this article, and OpenFAST is applied to simulate the wind load. By comparing the Mises stress time

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Awada, Ali, Rafic Younes, and Adrian Ilinca. "Review of Vibration Control Methods for Wind Turbines." Energies 14, no. 11 (2021): 3058. http://dx.doi.org/10.3390/en14113058.

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The installation of wind energy increased in the last twenty years, as its cost decreased, and it contributes to reducing GHG emissions. A race toward gigantism characterizes wind turbine development, primarily driven by offshore projects. The larger wind turbines are facing higher loads, and the imperatives of mass reduction make them more flexible. Size increase of wind turbines results in higher structural vibrations that reduce the lifetime of the components (blades, main shaft, bearings, generator, gearbox, etc.) and might lead to failure or destruction. This paper aims to present in deta

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Singh, Deepali, Erik Haugen, Kasper Laugesen, Ayush Chauhan, and Axelle Viré. "Data analysis of the TetraSpar demonstrator measurements." Journal of Physics: Conference Series 2767, no. 6 (2024): 062025. http://dx.doi.org/10.1088/1742-6596/2767/6/062025.

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Abstract Floating offshore wind turbines can extract energy from deep offshore locations, typically unfit for fixed bottom designs. The complex interaction between the structural behavior of the floating offshore wind turbine and the stochastic site conditions, however, is an active area of research. Characterizing the relationship between the environmental conditions and loads may help design reduced-order models, surrogate models, and physics-based engineering models for floating wind turbines. This study uses data from the TetraSpar prototype equipped with a 3.6 MW Siemens Gamesa wind turbi

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Barkat, Ibtissem, Abdelouahab Benretem, Fawaz Massouh, Issam Meghlaoui, and Ahlem Chebel. "Modeling and simulation of forces applied to the horizontal axis wind turbine rotors by the vortex method coupled with the method of the blade element." International Journal of Power Electronics and Drive Systems (IJPEDS) 12, no. 1 (2021): 413. http://dx.doi.org/10.11591/ijpeds.v12.i1.pp413-420.

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This article aims to study the forces applied to the rotors of horizontal axis wind turbines. The aerodynamics of a turbine are controlled by the flow around the rotor, or estimate of air charges on the rotor blades under various operating conditions and their relation to the structural dynamics of the rotor are critical for design. One of the major challenges in wind turbine aerodynamics is to predict the forces on the blade as various methods, including blade element moment theory (BEM), the approach that is naturally adapted to the simulation of the aerodynamics of wind turbines and the dyn

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Chuang, Zhenju, Hui Yi, Xin Chang, Hongxiang Liu, Haidian Zhang, and Lulin Xia. "Comprehensive Analysis of the Impact of the Icing of Wind Turbine Blades on Power Loss in Cold Regions." Journal of Marine Science and Engineering 11, no. 6 (2023): 1125. http://dx.doi.org/10.3390/jmse11061125.

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Blade icing often occurs on wind turbines in cold climates. Blade icing has many adverse effects on wind turbines, and the loss of output power is one of the most important effects. With the increasing emphasis on clean energy around the world, the design and production of wind turbines tend to be large-scale. So this paper selected the 15 MW wind turbine provided by NREL (American Renewable Energy Laboratory) to study the influence of blade icing on output power. In this paper, a multi-program coupled analysis method named CFD-WTIC-ILM (CFD: Computational fluid dynamics; WTIC: Wind Turbine In

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Xue, Zhanpu, Hao Zhang, Hongtao Li, Yunguang Ji, and Zhiqiang Zhou. "Dynamic Analysis of a Flexible Multi-Body in 5 MW Wind Turbine." Shock and Vibration 2022 (October 17, 2022): 1–10. http://dx.doi.org/10.1155/2022/6883663.

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Flexible multi-body dynamics of wind turbines is a subfield of structural mechanics that mainly studies the response of the coupling structure under dynamic loading, such as the transient changes of displacement and stress, in order to measure the load carrying capacity of the coupling structure and obtain the corresponding dynamic properties. Structural dynamics takes into account not only the damping and inertia forces generated by the vibration of the structure but also the elastic force generated by the deformation of the structure. With the continuous increase of individual power and towe

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Lee, Kangsu, and Chang-Yong Song. "Structural Model Test for Strength Performance Evaluation of Disconnectable Mooring Apparatuses Installed on Floating-Type Offshore Wind Turbine." Journal of Marine Science and Engineering 11, no. 5 (2023): 1085. http://dx.doi.org/10.3390/jmse11051085.

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The destructive power of typhoons has been continuously increasing due to the influence of global warming. In a situation where the installation of floating wind turbines is increasing around the world, concerns about huge losses and collapses of floating offshore wind turbines due to strong typhoons are deepening. Regarding the safe operation of floating offshore wind turbines, the development of a new type of disconnectable mooring system is required. The newly developed disconnectable mooring apparatuses, such as fairlead chain stoppers (FCS) and submersible mooring pulleys (SMP), considere

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Shaler, Kelsey, Eliot Quon, Hristo Ivanov, and Jason Jonkman. "Wind farm structural response and wake dynamics for an evolving stable boundary layer: computational and experimental comparisons." Wind Energy Science 9, no. 7 (2024): 1451–63. http://dx.doi.org/10.5194/wes-9-1451-2024.

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Abstract. The wind turbine design process requires performing thousands of simulations for a wide range of inflow and control conditions, which necessitates computationally efficient yet time-accurate models, especially when considering wind farm settings. To this end, FAST.Farm is a dynamic-wake-meandering-based mid-fidelity engineering tool developed by the National Renewable Energy Laboratory targeted at accurately and efficiently predicting wind turbine power production and structural loading in wind farm settings, including wake interactions between turbines. This work is an extension of

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Wang, Bin, Ying Li, Shan Gao, et al. "Stability Analysis of Wind Turbine Blades Based on Different Structural Models." Journal of Marine Science and Engineering 11, no. 6 (2023): 1106. http://dx.doi.org/10.3390/jmse11061106.

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In order to better simulate the actual working conditions of wind turbines more realistically, this paper adopts the two-way fluid–structure coupling method to study the NREL 5 MW wind turbine, considering the blade coupling deformation and equivalent stress and strain distribution of the blades with different internal structures under different working conditions. The results show that the maximum equivalent stress and strain distribution of the beam–structure wind turbine blade was near the leading edge of the blade. The maximum equivalent stress and strain distribution of the shell structur

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Xing, Zhitai, Yan Jia, Lei Zhang, et al. "Research on Wind Turbine Blade Damage Fault Diagnosis Based on GH Bladed." Journal of Marine Science and Engineering 11, no. 6 (2023): 1126. http://dx.doi.org/10.3390/jmse11061126.

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With the increasing installed capacity of wind turbines, ensuring the safe operation of wind turbines is of great significance. However, the failure of wind turbines is still a severe problem, especially as blade damage can cause serious harm. To detect blade damage in time and prevent the accumulation of microdamage of blades evolving into severe injury, a damage dataset based on GH Bladed simulation of blade damage is proposed. Then, based on the wavelet packet analysis theory method, the MATLAB software can automatically analyze and extract the energy characteristics of the signal to identi

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Song, Kai, Guoqing Di, Yaqian Xu, and Xingwang Chen. "Community survey on noise impacts induced by 2 MW wind turbines in China." Journal of Low Frequency Noise, Vibration and Active Control 35, no. 4 (2016): 279–90. http://dx.doi.org/10.1177/0263092316676399.

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In order to investigate the noise impacts of wind turbines with a high single-machine capacity (2 MW) on the residents living around, a face-to-face questionnaire survey was conducted. The moderating factors of noise annoyance, noise exposure–response relationships as well as noise impacts on sleep and self-reported health were investigated. Results showed that noise sensitivity, attitude towards wind turbines’ visual impact on the landscape, general opinion on wind turbines and noise intensity had statistically significant impacts on annoyance due to wind turbine noise. Compared with wind tur

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Usman, Muhammad, Bilal Akbar, Sajjad Miran, and Qazi Shahzad Ali. "A systematic failure finding model of wind turbine drive train based on interfaces." World Journal of Engineering 15, no. 1 (2018): 86–90. http://dx.doi.org/10.1108/wje-10-2016-0119.

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Purpose Wind energy has become a distinguished field of energy among the alternative energy resources. Despite economical disadvantages, the production of wind energy is desired to fulfill the demand of the energy. Low reliability is a big issue in the development of wind energy technology that has affected wind farm operations. The purpose of the study is to find the reason for the low reliability and high downtime for wind turbines. Design/methodology/approach The systems engineering approach has a high success rate in handling complex systems such as wind farms. A failure finding model is p

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Shohag, Md Abu S., Emily C. Hammel, David O. Olawale, and Okenwa I. Okoli. "Damage mitigation techniques in wind turbine blades: A review." Wind Engineering 41, no. 3 (2017): 185–210. http://dx.doi.org/10.1177/0309524x17706862.

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Wind blades are major structural elements of wind turbines, but they are prone to damage like any other composite component. Blade damage can cause sudden structural failure and the associated costs to repair them are high. Therefore, it is important to identify the causation of damage to prevent defects during the manufacturing phase, transportation, and in operation. Generally, damage in wind blades can arise due to manufacturing defects, precipitation and debris, water ingress, variable loading due to wind, operational errors, lightning strikes, and fire. Early detection and mitigation tech

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