SAFEMILLS

Increasing safety of offshore wind turbines operation: Study of the violent wave loads

Coordinatore	UNIVERSITY OF EAST ANGLIA    more  Organization address address: EARLHAM ROAD city: NORWICH postcode: NR4 7TJ contact info Titolo: Mr. Nome: Oliver Cognome: Dean Email: send email Telefono: +44 1603 591573
Nazionalità Coordinatore	United Kingdom [UK]
Totale costo	309˙235 €
EC contributo	309˙235 €
Programma	FP7-PEOPLE Specific programme "People" implementing the Seventh Framework Programme of the European Community for research, technological development and demonstration activities (2007 to 2013)
Code Call	FP7-PEOPLE-2013-IEF
Funding Scheme	MC-IEF
Anno di inizio	2014
Periodo (anno-mese-giorno)	2014-04-24   -   2016-04-23

 Partecipanti

#	participant	country	role	EC contrib. [€]
1	UNIVERSITY OF EAST ANGLIA  Organization address address: EARLHAM ROAD city: NORWICH postcode: NR4 7TJ contact info Titolo: Mr. Nome: Oliver Cognome: Dean Email: send email Telefono: +44 1603 591573	UK (NORWICH)	coordinator	309˙235.20

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 Obiettivo del progetto (Objective)

'The use of offshore wind turbines in coastal zones is the most promising method for clean energy production from the environment. They amplify the advantages of land based turbines due to the greater wind potential in the unprotected coasts and the vast areas of coastlines, whilst, in addition, avoid the disadvantages associated with deep water installations at the open sea (e.g. wind turbines mounted on Tension Leg Platforms) such as difficult accession, costly maintenance, lengthy cabling etc. Shallow water installations however involve a significant risk that originates from breaking wave trains at decreasing depths. This is the only devastating impact which might threaten the integrity of the pillars and hence it must be properly investigated. Wind turbine pillars can be considered as slender structures, the hydrodynamics of which for years has been investigated by simplistic methods, such as Morison’s formula that was developed in fifties and admittedly is not valid always. The existing studies often ignore the all-important violent impact due to breaking waves. The present project aims at enhancing the existing state-of-the-art by proposing the deep and comprehensive investigation of the three-dimensional water impact problem for vertical wind turbine pillars using approaches such as Wagner’s theory and the steep wave slamming concept. The goal of the involved scientists is to extend the research on the task by considering alternative structural bases for wind turbines such as truss type structures which further enhance the advantages of offshore wind turbines due to the lower construction cost, easier removal, repair and maintenance, increased safety, accession of deeper fields etc. To this end, a novel approach will be adopted that relies on the slamming impact on perforated structures. The expected theories, formulations and solution methods will be generic and in that sense will be versatile allowing their employment to a range of water impact problems.'