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Lookup NU author(s): Maxim Candries, Professor Mehmet Atlar, Dr Colin Anderson
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Foul Release systems offer a low-energy surface that prevents firm adhesion of fouling organisms on underwater hulls. Above a critical threshold speed, hydrodynamic forces against the ship hull wash off any attached organisms. Particularly for high-speed, high-activity vessels, Foul Release systems offer an environmentally attractive, long-term, cost effective alternative to toxic biocidal antifoulings. A research project has been set up to investigate whether the specific surface properties of Foul Release systems have a beneficial effect on its drag. Flat plate towing tank experiments have confirmed that the total resistance of a 6.3m plate coated with a Foul Release coating system was 1.4% lower than when it was coated with a Tributyltin-free Self-Polishing Co-polymer (SPC). Surface analysis carried out with an optical measurement system has indicated that the mean absolute slope and the correlation length of the Foul Release sytem can differ from those of other coatings by an order of magnitude. Part of ongoing research has been trying to correlate the roughness parameters with the observed drag reduction.
Author(s): Candries M, Atlar M, Anderson CD
Editor(s): Bertram, V.
Publication type: Conference Proceedings (inc. Abstract)
Publication status: Published
Conference Name: 2nd International Euro Conference on High-Performance Marine Vehicles(HIPER '01)
Year of Conference: 2001
Pages: 119-127
URL: http://www.geocities.ws/maxim_candries/Candries_HIPER.pdf
