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Mitigating the structural vibrations of wind turbines using tuned liquid column damper considering soil-structure interaction
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renewable energy revision R2.pdf | 2.1 MB |
Date Issued
01 May 2018
Date Available
08T12:49:34Z May 2019
Abstract
This paper considers the potential of using a Tuned Liquid Column Damper (TLCD) to reduce structural vibrations of a wind turbine tower. The effect of TLCD on wind turbine towers, including the soil-structure interactions for a monopile foundation was modelled theoretically and scaled laboratory experiments were carried out to validate these results. The tower of the turbine is represented as a Euler beam with a set of springs at the boundary to simulate the soil-structure interaction. TLCD design was carried out using such a model and the reduction in tower vibrations due to the deployment of TLCD was then examined for various loading conditions in the frequency and the time domain. The efficiency of TLCDs for reducing structural vibrations was investigated for tuned and detuned conditions. The response of a small-scale model was simulated along with that of a full-scale turbine and parametric studies around the variations of inputs related to uncertainties were performed. Experiments were carried out on a scaled model turbine to examine the effectiveness of the TLCD. The practicalities of installing a TLCD in a full-scale turbine were examined.
Sponsorship
Science Foundation Ireland
Type of Material
Journal Article
Publisher
Elsevier
Journal
Renewable Energy
Volume
120
Start Page
322
End Page
341
Copyright (Published Version)
2017 Elsevier
Language
English
Status of Item
Peer reviewed
ISSN
0960-1481
This item is made available under a Creative Commons License
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