22 Aug '11, 1pm

What are the Challenges and Innovations in Offshore Wind Design and Development?

What are the Challenges and Innovations in Offshore Wind Design and Development?

As turbine foundations comprise a quarter to a third of the overall cost of an installed offshore turbine, depending on water depth, turbine size and who you talk to, today's foundation designers have a tough remit: develop new designs and installation procedures to cope with deeper water challenges - while simultaneously reducing the cost of manufacture, deployment and operation. Fatigue load, installed strength, resistance to dynamic loadings and cost per installed-MW are four important metrics, but there are many others such as resistance to scour and corrosion plus ease of maintenance and even decommissioning. Water depth, the turbine size and the nature of the seabed - rock, sand or clay, for instance - all inform which type of substructure and footing is used. Seabed fixings or footings can include piles, drilled and grouted holes, and innovations like in-line and pr...

Full article: http://www.renewableenergyworld.com/rea/news/article/2011...

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