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catalog.lib.kyushu-u.ac.jp
article
https://catalog.lib.kyushu-u.ac.jp/opac_download_md/2534483/tj1112.pdf
III Aeroelastic Analysis of Multi-Rotor System Wind Turbines by Amr Mohamed Metwally Ismaiel Submitted to the Earth System Science and Technology Department On July 2019 In partial fulfillment of the requirements for the degree of Doctor of Philosophy in Engineering Abstract The approach to increase the harvested power out of wind in the past few decades, was by increasing the size of the rotor of a wind turbine. Multi-rotor system (MRS) wind turbines can be a competitive alternative to large-scale wind turbines. The aim of this thesis is to address the structural behaviour of the MRS turbine tower. In order to do this, an in-house aeroelastic tool has been developed to study the dynamic responses of a MRS configuration wind turbine consisting of multiplicands of the NREL 5MW rotor. The developed tool has been verified by comparing the results of a single-rotor configuration to a FAST analysis for the same simulation conditions.
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mdpi.com
article
https://www.mdpi.com/1996-1073/18/5/1195
Aerodynamic and Vibration Characteristics of Iced Power Transmission Conductors in a Nonuniform Wind Field Based on Unsteady Theory. permission is required to reuse all or part of the article published by MDPI, including figures and tables. This paper investigates the aeroelastic behaviour of a full wind turbine model with realistic blade vibration amplitude (9% span) using a nonlinear frequency-domain solution method. The primary objective is to demonstrate the computational efficiency of this method for an aeroelastic analysis compared to resource-intensive time-domain approaches. The frequency-domain method was then validated against a conventional time-domain method, comparing aerodynamic damping and unsteady pressure distributions, with strong agreement observed. Results show a more complex unsteady pressure distribution at 324.5 RPM compared to 424.5 RPM, directly affecting aerodynamic damping. Aeroelastic analyses of a wind turbine with a relatively large amplitude blade structural oscillation at different rotational speeds are performed using the nonlinear frequency-domain method in this paper.
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webthesis.biblio.polito.it
article
https://webthesis.biblio.polito.it/12072/1/tesi.pdf
POLYTECHNIC OF TURIN Faculty of Engineering Master’s Degree in Aerospace Engineering Master Thesis Structural Modelling and Aeroelastic Analysis of the DANAERO Wind Turbine Rotor Advisors: Candidate: Prof. Once the tools to be used were defined, the analysis of structural and geometrical data of the wind turbine obtained from the project have been performed and the conclusion was that for the generation of the FEM model a more appropriate and accurate study of the received information is necessary. Components of the aeroelastic modelling of wind turbine blades [23] 14 1.16 Diagram of the blade momentum theory . Aeroelastic analysis of a wind turbine blade using the harmonic balance method. Nonlinear aeroelastic modelling of large wind turbine composite blades. [23] Athanasios Kolios Lin Wang, Xiongwei Liu. State of the art in the aeroelasticity of wind turbine blades: Aeroelastic modelling. Predicting wind turbine blade loads and aeroelastic re-sponse using a coupled cfd–csd method. Modeling wind turbine blades for fluid/structure interaction analysis.
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arc.aiaa.org
article
https://arc.aiaa.org/doi/10.2514/1.G001663
This paper presents an extension of the simulation code ASWING to aeroelastic analysis of an airborne wind turbine. The device considered in this study
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jafmonline.net
article
https://www.jafmonline.net/article_2696_dc2b690516158a874dd8aabe1365c6a0.pdf
https://doi.org/10.47176/jafm.18.8.3259 2122 Aeroelastic Analysis of a Wind Turbine with a Bamboo Honeycomb Structural Web T. To prevent blade damage due to vibration and improve the aeroelastic stability of wind turbine blades, this paper proposes a bionic blade with a bionic web inspired by bamboo and honeycomb structures. In addition, the integration of bamboo and honeycomb structures into the bionic design offers an innovative approach to wind turbine blade engineering. A numerical simulation of wind turbine operation was conducted, comparing the deformation, stress–strain response, modal analysis, and harmonic response of the original and bionic blades. 2.2.2 Bionic Blade In this study, bamboo and honeycomb are selected as the original biomimetic prototypes for the web structure of wind turbines. The bamboo honeycomb web effectively reduces stress values, enhancing the safe operation of the wind turbine blade. 4. CONCLUSION In response to the demand for enhanced structural performance in large-scale wind turbines, this paper proposes a bionic wind turbine blade that leverages the functional similarities between web plate structures and bamboo.
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sciencedirect.com
article
https://www.sciencedirect.com/science/article/abs/pii/S0029801824015737
An elastic actuator line model is developed to assess the aeroelastic behaviour of wind turbines. •. Effects of wind speed and inflow type on the aeroelasticity
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orbit.dtu.dk
article
https://orbit.dtu.dk/files/10145094/AEROELASTICITY_AND_AEROACOUSTICS.pdf
Wind turbine rotor-tower interaction. Details of blade-tower interaction investigated in order to: - study lock-in phenomena. - develop semi-emperical tower
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wes.copernicus.org
article
https://wes.copernicus.org/articles/6/93/2021
The aeroelastic response of a 2 MW NM80 turbine with a rotor diameter of 80 m and interaction phenomena are investigated by the use of a high-fidelity model.