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Veronica Vigna and Massimo Figari
The harvesting of wind energy and its transformation into a thrust force for ship propulsion are gaining in popularity due to the expected benefit in fuel consumption and emission reductions. To exploit these benefits, a proper matching between the conve...
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Fang Lin, Wenqing Shi and Cunying Fan
In the navigation process, monitoring the running state of ship power plant equipment is crucial. In bad weather, when the critical equipment is abnormal, it is especially necessary to find out the root cause of the failure as soon as possible. In this c...
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Wongwan Jung and Daejun Chang
This study proposed a deep reinforcement learning-based energy management strategy (DRL-EMS) that can be applied to a hybrid electric ship propulsion system (HSPS) integrating liquid hydrogen (LH2) fuel gas supply system (FGSS), proton-exchange membrane ...
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Mikael Palmén, Ajda Lotric, Aleksi Laakso, Victor Bolbot, Mia Elg and Osiris A. Valdez Banda
Interest in more sustainable energy sources has increased rapidly in the maritime industry, and ambitious goals have been set for decreasing ship emissions. All industry stakeholders have reacted to this with different approaches including the optimisati...
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Panagiotis Karvounis, João L. D. Dantas, Charalampos Tsoumpris and Gerasimos Theotokatos
The shipping sector decarbonisation has attracted great attention due to the sector contribution to worldwide carbon emissions. This study aims at investigating the techno-economic?environmental performance of different ship power plants to identify sust...
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Marco Gianni, Andrea Pietra, Andrea Coraddu and Rodolfo Taccani
The International Maritime Organization (IMO) has recently discussed the introduction of a new design index called the Carbon Intensity Indicator (CII), which is a measure of the total carbon dioxide emissions divided by the amount of cargo carried and b...
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Darko Glujic, Predrag Kralj and Josip Dujmovic
Carbon dioxide emissions have become a growing problem worldwide. Global institutions are addressing this problem and developing solutions. Countries that are aware of this problem are implementing regulations that affect global industry and, in particul...
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Zhongcheng Wang, Sergejus Lebedevas, Paulius Rapalis, Justas Zaglinskis, Rima Mickeviciene, Vasilij Djackov and Xiaoyu Liu
This paper presents the results of a numerical study on the parameters that affect the efficiency of the cogeneration cycle of a ship?s power plant. The efficiency was assessed based on the excess power (Ngen.) of a free turbine, operated with the inflow...
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Nikoletta L. Trivyza, Athanasios Rentizelas and Gerasimos Theotokatos
The Energy Efficiency Design Index (EEDI) was introduced as a regulatory tool employed at the ship design phase to reduce the carbon dioxide (CO2) emissions and increase the vessel?s operational efficiency. Although it stimulated the greening of the ship...
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Melchiorre Casisi, Piero Pinamonti and Mauro Reini
The study examines the option of adding a bottom Organic Rankine Cycle (ORC) for energy recovery from an internal combustion engine (ICE) for ship propulsion. In fact, energy recovery from the exhaust gas normally rejected to the atmosphere and eventuall...
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