Experimental comparison of dynamic responses of a tension moored floating wind turbine platform with and without spring dampers

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Title: Experimental comparison of dynamic responses of a tension moored floating wind turbine platform with and without spring dampers
Authors: Wright, Christopher
O'Sullivan, K.
Murphy, J.
Pakrashi, Vikram
Permanent link: http://hdl.handle.net/10197/10431
Date: 9-Jul-2015
Online since: 2019-05-14T08:47:25Z
Abstract: The offshore wind industry is rapidly maturing and is now expanding to more extreme environments in deeper water and farther from shore. To date fixed foundation types (i.e. monopoles, jackets) have been primarily used but become uneconomical in water depths greater than 50m. Floating foundations have more complex dynamics but at the moment no design has reached commercialization, although a number of devices are being tested at prototype stage. The development of concepts is carried out through physical model testing of scaled devices such that to better understand the dynamics of the system and validate numerical models. This paper investigates the testing of a scale model of a tension moored wind turbine at two different scales and in the presence and absence of a spring damper controlling its dynamic response. The models were tested under combined wave and wind thrust loading conditions. The analysis compares the motions of the platform at different scales and structural conditions through RAO, testing a mooring spring damper for load reductions.
Funding Details: Science Foundation Ireland
Type of material: Journal Article
Publisher: IOP Publishing
Journal: Journal of Physics: Conference Series
Volume: 628
Issue: 1
Keywords: Wind industryFloating foundationsPhysical model testingTension moored wind turbineMooring spring damper
DOI: 10.1088/1742-6596/628/1/012056
Language: en
Status of Item: Peer reviewed
Appears in Collections:Mechanical & Materials Engineering Research Collection

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