Document Detail


Evaluation of the durability of composite tidal turbine blades.
MedLine Citation:
PMID:  23319705     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
The long-term reliability of tidal turbines is critical if these structures are to be cost effective. Optimized design requires a combination of material durability models and structural analyses. Composites are a natural choice for turbine blades, but there are few data available to predict material behaviour under coupled environmental and cycling loading. The present study addresses this problem, by introducing a multi-level framework for turbine blade qualification. At the material scale, static and cyclic tests have been performed, both in air and in sea water. The influence of ageing in sea water on fatigue performance is then quantified, and much lower fatigue lives are measured after ageing. At a higher level, flume tank tests have been performed on three-blade tidal turbines. Strain gauging of blades has provided data to compare with numerical models.
Authors:
Peter Davies; Grégory Germain; Benoît Gaurier; Amélie Boisseau; Dominique Perreux
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Publication Detail:
Type:  Journal Article     Date:  2013-01-14
Journal Detail:
Title:  Philosophical transactions. Series A, Mathematical, physical, and engineering sciences     Volume:  371     ISSN:  1364-503X     ISO Abbreviation:  Philos Trans A Math Phys Eng Sci     Publication Date:  2013 Feb 
Date Detail:
Created Date:  2013-01-15     Completed Date:  2013-02-21     Revised Date:  2013-04-24    
Medline Journal Info:
Nlm Unique ID:  101133385     Medline TA:  Philos Trans A Math Phys Eng Sci     Country:  England    
Other Details:
Languages:  eng     Pagination:  20120187     Citation Subset:  -    
Affiliation:
Materials and Structures Group, IFREMER Brest Centre, 29280 Plouzané, France. peter.davies@ifremer.fr
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