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http://dx.doi.org/10.7837/kosomes.2022.28.6.1078

Experimental Study on the Removal of Biofouling from Specimens of Small Ship Constructions Using Water Jet  

Seo, Daewon (Department of Naval Architecture and Ocean Engineering. Kunsan National Maritime University)
Oh, Jungkeun (Department of Naval Architecture and Ocean Engineering. Kunsan National Maritime University)
Publication Information
Journal of the Korean Society of Marine Environment & Safety / v.28, no.6, 2022 , pp. 1078-1085 More about this Journal
Abstract
Fouling organisms attached to a ship not only greatly increase the resistance of the ship as they grow on the hull but also cause disturbances in local marine ecosystems as they move with the ship. Accordingly, the International Maritime Organization has started discussing the removal of biofouling and evaluation of cleaning performance to prevent the migration of hull-fouling species. In this study, specimens of FRP(Fiber Reinforced Plastic), HDPE(High Density Polyethylene), and CFRP(Carbon Fiber Reinforced Plastic) materials used for small ship construction were cured in Gyeokpo Port (Jeonlakbuk-do) for about 80 days. Then, attached organism removal experiments were performed using a water jet nozzle. The results show that seaweeds, such as laver, were removed when the distance between the nozzle and the specimen was 1.8 cm and the pressure was 100 bar. Furthermore, it was confirmed that the cleaning of barnacles was possible only when the pressure was 200 bar or more.
Keywords
Bio-fouling; Water jet; Bernacle; Disruption of the marine ecosystem; Seaweed;
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