Journal ArticleDOI
Tuned liquid column dampers in offshore wind turbines for structural control
Shane Colwell,Biswajit Basu +1 more
TLDR
In this paper, the structural responses of offshore wind turbines are simulated with an attached damper (Tuned Liquid Column Damper) for controlling the vibrations induced within the structure, and a fatigue analysis is carried out and the implementation of TLCDs is seen to enhance the fatigue life of the structure.About:
This article is published in Engineering Structures.The article was published on 2009-02-01. It has received 303 citations till now. The article focuses on the topics: Offshore wind power & Wave loading.read more
Citations
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Journal ArticleDOI
Passive structural control of offshore wind turbines
TL;DR: In this article, two independent, single degree of freedom (DOF) tuned mass-damper (TMD) devices are incorporated into a modified version of the aero-elastic code FAST (Fatigue, Aerodynamics, Structures and Turbulence).
Journal ArticleDOI
Structural control of floating wind turbines
TL;DR: In this paper, a parametric investigation for a tuned mass damper system was performed to determine the optimal passive and active parameters for a floating barge-type wind turbine, and the performance was calculated as a function of active power consumption and stroke of the actuator.
Journal ArticleDOI
Using multiple tuned mass dampers to control offshore wind turbine vibrations under multiple hazards
Haoran Zuo,Kaiming Bi,Hong Hao +2 more
TL;DR: In this article, the authors proposed using multiple tuned mass dampers (MTMDs) to control vibrations from the fundamental and higher modes of offshore wind turbine tower under multiple hazards, i.e. under the combined wind, sea wave and earthquake excitations.
Journal ArticleDOI
Seismic response mitigation of a wind turbine tower using a tuned parallel inerter mass system
TL;DR: In this paper, the authors proposed a tuned parallel inerter mass system (TPIMS) for wind turbine tower seismic response mitigation, which consists of a tuned mass, a spring, and a parallel in-erter subsystem, of which the spring is used for tuning the mass and the inerters subsystem is set for vibration energy absorbing and dissipation.
Journal ArticleDOI
Modelling and optimization of a passive structural control design for a spar-type floating wind turbine
TL;DR: In this article, a structural control design for a spar-type floating wind turbine is proposed, where a tuned mass damper (TMD) is installed into the spar platform for effective load reduction.
References
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Measurements of wind-wave growth and swell decay during the Joint North Sea Wave Project (JONSWAP)
Klaus Hasselmann,Tim P. Barnett,E. Bouws,H. Carlson,D.E. Cartwright,K. Enke,J. A. Ewing,H. Gienapp,Dieter E. Hasselmann,P. Kruseman,A. Meerburg,Peter Müller,D.J. Olbers,K. Richter,W. Sell,H. Walden +15 more
TL;DR: In this article, wave spectra were measured along a profile extending 160 kilometers into the North Sea westward from Sylt for a period of two weeks in 1968 and 1969, with particular emphasis on wave growth under stationary offshore wind conditions and the attenuation of swell in water of finite depth.
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Spectral Characteristics of Surface-Layer Turbulence
TL;DR: In this paper, the authors described the behavior of spectra and cospectra of turbulence in the surface layer using wind and temperature fluctuation data obtained in the 1968 AFCRL Kansas experiments.
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A proposed spectral form for fully developed wind seas based on the similarity theory of S. A. Kitaigorodskii
TL;DR: In this article, the authors used the data for the spectra of fully developed seas obtained for wind speeds from 20 to 40 knots as measured by anemometers on two weather ships.
Journal ArticleDOI
The spectrum of horizontal gustiness near the ground in high winds
TL;DR: In this article, a study of about 70 spectra of the horizontal components of gustiness in strong winds is described, and it appears that the cross-spectra can be expressed as a simple function of the ratio of the vertical separation to the wavelength, no dependence on height being detectable.