Harnessing the power of the sea for commercial gain
Tidal power has great potential for electricity generation due to the fact that tides are more predictable than wind energy and solar power. However, tidal energy conversion presents a complex engineering challenge: to produce affordable, competitive energy in one of the harshest natural environments, where access to maintenance is both expensive and high risk. An EU-funded project is meeting this challenge by testing long-range ultrasonic sensors for the automated detection of defects in tidal energy conversion devices such as turbine blades.
TidalSense Demo, which began in February 2012, is a two-year project that is building on its predecessor, TidalSense. The project will use the results obtained in TidalSense with the aim of accelerating the pace of these technologies towards commercial maturity.
To achieve this objective, TidalSense Demo will test the feasibility of long-range ultrasonic sensors, which are made up of composite materials such as fibre metal laminates, glass or carbon fibre reinforced plastics in several tidal energy conversion devices. The project will also undertake several sea trials of the system.
“There is no standard condition monitoring technique available that can provide details of the tidal blade integrity. The industry currently takes action when necessary - usually after a critical failure occurs, which can lead to serious and costly repairs,” says project coordinator, Dr Nico P. Avdelidis from InnotecUK. “TidalSense Demo is cost-effective as it will continually monitor the tidal blade and can classify and evaluate defects. This will result in a statistical analysis that can feed back into the design process,” adds Avdelidis.
As a result, TidalSense Demo will benefit European SMEs and reduce long-term costs for utility companies. As for the savings, these have been estimated at €66 million and profits at €36 million, bringing the figure to a total of €102 million.
The consortium has already undertaken a first market analysis and is currently looking into potential buyers such as original equipment manufacturers, utilities and project developers, maintenance contractors in the oil and gas sector, and finally, research and development bodies.
The end of 2013 will also see the entire system being filmed with the end product being disseminated to a wider public. “The film will present the project concept and activities developed during the demonstration, as well as the results obtained,” concludes Avdelidis.
With EU-funding of €1.62 million, TidalSense Demo is led by technology company, InnoTecUK, and has partners in 7 countries including Spain, Italy, Lithuania, Norway, Germany, Greece, and the United Kingdom.
Project acronym: TidalSense
Participants: United Kingdom (Coordinator), Spain, Italy, Lithuania, Norway, Germany, Greece.
Project FP7 286989
Total costs: €2 949 380
EU contribution: €1 620 000
Duration: February 2012 - January 2014
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