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A novel tool for cost and emission reduction related to ship underwater hull maintenance
Chalmers University of Technology, Sweden.
Chalmers University of Technology, Sweden.
Chalmers University of Technology, Sweden.
RISE Research Institutes of Sweden, Safety and Transport, Maritime department. (SSPA)ORCID iD: 0000-0002-6266-2320
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2022 (English)In: Journal of Cleaner Production, ISSN 0959-6526, E-ISSN 1879-1786, Vol. 356, article id 131882Article in journal (Refereed) Published
Abstract [en]

International shipping plays a vital role in the world's transport system and economy. However, shipping faces challenges in terms of reducing its environmental and health impact, namely emission of greenhouse gases, air pollutants, and chemical substances to the marine environment. In particular, the roughness condition of underwater surfaces of a ship hull affects the ship's energy efficiency, with marine growth (biofouling) and mechanical roughness leading to propulsion powering penalties. Measures to control biofouling, using antifouling coatings and in-water hull cleaning, may also be associated with significant impacts to the marine environment. In the current study, a new tool is presented, HullMASTER (Hull MAintenance STrategies for Emission Reduction), which aims at enabling the shipping industry and authorities in the Baltic Sea region to make evidence-based decisions on hull maintenance strategies. HullMASTER simulates emissions to air and water, to calculate the differences in economic cost for operators, as well as health- and environmental damage costs between different hull maintenance scenarios. Validation of HullMASTER predictions against 40 vessel-years of in-service performance data on propulsive performance, with operations in the Baltic Sea region, shows good agreement, averaging within 5 percentage-point difference in propulsion penalty. Further, a scenario-based demonstration of HullMASTER on a general cargo vessel shows that, in the comparison between a silicone foul-release coating and business-as-usual scenario of a biocidal coating, retrofitting the coating to a foul-release coating can result in significant savings for society, i.e., along with marginal savings in cost for ship operators. Results for such comparisons and analysis will however be dependent on specific vessel cases and operational profiles, thence the value of an interactive tool such as HullMASTER. © 2022 The Authors

Place, publisher, year, edition, pages
Elsevier Ltd , 2022. Vol. 356, article id 131882
Keywords [en]
Antifouling coating, Biofouling, Chemical pollution, Energy efficiency measures, Marine environment, Maritime transport, Coatings, Emission control, Greenhouse gases, Hulls (ship), Maintenance, Ship propulsion, Silicones, Surface roughness, Baltic sea, Efficiency measure, Emission reduction, Energy efficiency measure, FOUL-RELEASE COATINGS, Maintenance strategies, Energy efficiency
National Category
Mechanical Engineering
Identifiers
URN: urn:nbn:se:ri:diva-60427DOI: 10.1016/j.jclepro.2022.131882Scopus ID: 2-s2.0-85129082275OAI: oai:DiVA.org:ri-60427DiVA, id: diva2:1704992
Note

Funding details: European Regional Development Fund, ERDF; Funding details: Trafikverket, 023, 5190054846, TRV 2019/27023; Funding text 1: This study was financed by the project H?LL ? Sustainable ship hull maintenance through development of decision support to the maritime industry and authorities (2019?2021), funded by the Swedish Transport Administration (Trafikverket) via Lighthouse Swedish Maritime Competence Centre under the ?H?llbar sj?fart? program (Reference TRV 2019/27023, Grant number 5190054846). Erik Ytreberg and Lena Granhag were partly funded by BalticSea2020. Lena Granhag has also been supported by the project COMPLETE PLUS (Practical implementation of the COMPLETE project outputs and tools, #X023), co-financed by the European Union's funding Programme Interreg Baltic Sea Region in 2017?2020 (European Regional Development Fund) and Chalmers Area of Advance Transport.; Funding text 2: This study was financed by the project HÅLL – Sustainable ship hull maintenance through development of decision support to the maritime industry and authorities (2019–2021), funded by the Swedish Transport Administration (Trafikverket) via Lighthouse Swedish Maritime Competence Centre under the “Hållbar sjöfart” program (Reference TRV 2019/27023, Grant number 5190054846). Erik Ytreberg and Lena Granhag were partly funded by BalticSea2020. Lena Granhag has also been supported by the project COMPLETE PLUS (Practical implementation of the COMPLETE project outputs and tools, #X023), co-financed by the European Union's funding Programme Interreg Baltic Sea Region in 2017–2020 (European Regional Development Fund) and Chalmers Area of Advance Transport.

Available from: 2022-10-20 Created: 2022-10-20 Last updated: 2023-04-28Bibliographically approved

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