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High-strength steel tower for wind turbines

Objective

The over all objective is to improve competitiveness of steel towers used to support multi mega-watt wind turbines. An integrated view on the optimisation of the whole steel tower is based on an analysis of the limiting criteria that govern wind tower design. Fatigue is one restraint for design of a more economical towers and use of high strength steel.

One solution is an improvement of the existing flange detail and another to use of friction type joint to allow higher strains in the shell. A detailed program is conceived to verify these two innovations. Another limitation is shell buckling where the resistance is strongly related to imperfections. An optimal balance between fabrication costs and resistance will be sought.

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Coordinator

LULEÅ UNIVERSITY OF TECHNOLOGY

Address

UniversitetsomrÅDet, PorsÖN
97187 Lulea

Sweden

Administrative Contact

Milan VELJKOVIC

Participants (6)

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ARTISTOTLE UNIVERSITY OF THESSALONIKI

Greece

FACULDADE DE CIENCIAS E TECNOLOGIA DA UNIVERSIDADE DE COIMBRA

Portugal

GERMANISCHER LLOYD WINDENERGIE GMBH

Germany

RAUTARUUKKI OYJ

Finland

REPOWER PORTUGAL - SISTEMAS EÓLICOS SA

Portugal

RHEINISCH-WESTFAELISCHE TECHNISCHE HOCHSCHULE AACHEN

Project information

Grant agreement ID: RFSR-CT-2006-00031

  • Start date

    1 July 2006

  • End date

    30 June 2009

Funded under:

ECSC-COAL-STEEL-RTD C

  • Overall budget:

    € 1 393 722

  • EU contribution

    € 836 234

Coordinated by:

LULEÅ UNIVERSITY OF TECHNOLOGY

Sweden