Ocean Energy Systems

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Article Marine Fouling and Corrosion Protection for Off-Shore Ocean Energy Setups
Author(s) C. Weinell, D. Meseguer Yebra, L. Thorslund Pedersen, S. Nyborg Rasmussen (ICOE 2010)
Tags Corrosion, Fouling, Friction, Supply chain, Efficiency
Type Papers
File Marine Fouling and Corrosion Protection for Off-Shore Ocean Energy Setups

Abstract: The chances of success for ocean energy concepts depend to a high degree on their ability to minimize operational risks and prolong service periods without costly maintenance stops. The latter is mainly a function of the choice of the wave or tidal converter design but also of the degree to which companies manage to utilize decades of material research for the off-shore and marine markets.

As an example, marine biofouling can significantly increase the weight of floating structures [1] and increase the drag resistance of moving parts such as e.g. tidal turbine blades. In this paper, recent studies from the marine segment are used to roughly estimate the loss of efficiency of a tidal turbine as a function of fouling type. A brief overview of current technologies is also made.

Related to off-shore corrosion protection, the choice of coatings for e.g. continuous immersed areas and in the very aggressive splash zones will be discussed. Hempel is a leading paint supplier in multiple fields including off-shore, power generation, wind energy, yachts and ocean going vessels. Hence, we are in the position to be a good partner for the success of ocean energy ventures.

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