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HSS-Wind SIGNED

Application of high-strength steel in offshore wind energy tubular structures

Total Cost €

EC-Contrib. €

Partnership

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HSS-Wind project word cloud

Explore the words cloud of the HSS-Wind project. It provides you a very rough idea of what is the project "HSS-Wind" about.

compact sited question joint savings welding energy environments members estimation water levels logistics standard farm harsh time section deeper accruing environment twin integrity self crane capital vessels connections substantially fracture vicinity yield connection material difficulties 20 waters benefit impacts larger hss deformation easily welded constructed generates constructing thickness seabed platforms reduces resist advantages fatigue obvious tubular wave offshore steel sizes platform encountered reducing environmental strength complicates weight ductility causes resilience harvest installation lighter engineering basis welds structural 355 structures load expenditure currently static constitutes wind resistance normal deep cyclic capacity loading mpa progressively lower provides renewable severe wall

Project "HSS-Wind" data sheet

The following table provides information about the project.

Coordinator	THE UNIVERSITY OF EDINBURGH Organization address address: OLD COLLEGE, SOUTH BRIDGE city: EDINBURGH postcode: EH8 9YL website: www.ed.ac.uk contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.
Coordinator Country	United Kingdom [UK]
Total cost	195˙454 €
EC max contribution	195˙454 € (100%)
Programme	1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
Code Call	H2020-MSCA-IF-2017
Funding Scheme	MSCA-IF-EF-ST
Starting year	2019
Duration (year-month-day)	from 2019-02-01 to 2021-01-31

Partnership

Take a look of project's partnership.

#	participants	country	role	EC contrib. [€]
1	THE UNIVERSITY OF EDINBURGH THE UNIVERSITY OF EDINBURGH Organization address address: OLD COLLEGE, SOUTH BRIDGE city: EDINBURGH postcode: EH8 9YL website: www.ed.ac.uk contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	UK (EDINBURGH)	coordinator	195˙454.00

Map

Project objective

Currently, offshore wind structures are constructed using normal strength steel members with yield strength of around 355 MPa. Larger section sizes are required to resist the higher load levels encountered in progressively deeper waters. This substantially increases cost, complicates logistics, generates installation difficulties, and causes greater environmental impacts. HSS material has the twin advantages of reducing the self-weight of structures and accruing associated cost savings. The installation costs typically represent up to 20% of the capital expenditure of an offshore wind farm. There is a need for more compact and lighter structures that can be easily sited on the seabed by standard installation vessels with lower crane capacity. Furthermore, the use of HSS provides increased structural resilience against strong cyclic loading in deep water environments, and reduces welding time due to reduced wall thickness. The benefit of HSS in static loading capacity is obvious, due to its increased strength. But there is a concern on deformation capacity for HSS connection, due to its lower ductility than normal-strength steel. In addition, the fatigue strength of HSS, especially at welded connections, remains an open question. HSS-WIND will investigate the application of HSS in offshore wind tubular platforms. The tubular joint is a common structural element in offshore wind platforms, and severe cyclic load, induced by wave and wind in the harsh offshore environment, may lead to fatigue fracture and failure at the vicinity of the welds. Reliable estimation of fatigue behaviour and resistance of HSS welded tubular connections constitutes an engineering challenge, essential for the platform structural integrity. HSS-WIND provides the basis of constructing offshore wind platforms using advanced HSS material, thus facilitating further harvest of renewable energy in deeper waters.

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The information about "HSS-WIND" are provided by the European Opendata Portal: CORDIS opendata.