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Yu Lu, Zhuhao Gu, Shewen Liu, Chunxiao Wu, Wu Shao and Chuang Li
The Energy Efficiency Design Index (EEDI) has been applied to ship carbon emission standards since 2013, ice ships subject to the Finnish Swedish Ice Class Rules (FSICR) also need to meet the requirements of EEDI. In this study, the engine power requirem...
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Wu Chen, Binchun Fu, Jingbin Zeng and Wenhua Luo
Based on the analysis of the waste heat distribution characteristics of a typical ship two-stroke low-speed main engine (model: MAN 8S65ME-C8.6HL, the specified maximum continuous rating SMCR: 21,840 kW) under different loads, two different types of orga...
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Volkan Sahin and Nurten Vardar
Wastewater formed on ships is divided into blackwater and graywater. While blackwater refers to wastewater from toilets, graywater defines wastewater from sinks, laundry and restaurants. Even though some treatments are applied onboard before discharge, w...
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Wu Chen, Song Xue, Long Lyu, Wenhua Luo and Wensheng Yu
In this study, a main marine engine with a rating power of 21,840 kW for a ship sailing in an actual voyage was obtained as the research object. The engine?s exhaust gas and jacket cooling water were adopted as the heat source of the organic Rankine cycl...
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Kyunghwa Kim, Gilltae Roh, Wook Kim and Kangwoo Chun
The shipping industry is becoming increasingly aware of its environmental responsibilities in the long-term. In 2018, the International Maritime Organization (IMO) pledged to reduce greenhouse gas (GHG) emissions by at least 50% by the year 2050 as compa...
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Gilberto Fuentes García, Rodolfo Sosa Echeverría, José María Baldasano Recio, Jonathan D. W. Kahl and Rafael Esteban Antonio Durán
Indicators of environmental policies in force in Mexico, fossil fuels will continue to be used in industrial sectors, especially marine fuels, such as marine diesel oil, in port systems for some time. Considering this, we have evaluated several methods c...
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Xinglin Yang, Junhu Zou, Qiang Lei, Xiaohui Lu and Zhenzhen Chen
Given the significant emissions from conventional marine diesel engines, many ship owners are increasingly turning to liquefied natural gas (LNG) as a cleaner energy alternative. In this study, a novel power generation system is proposed for LNG-fueled s...
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Mina Tadros, Roberto Vettor, Manuel Ventura and C. Guedes Soares
This paper presents the effect of hull roughness over 10 years of operation on ship performance. The numerical model is developed by coupling NavCad and Matlab to perform the computation and the data processing. On the basis of a given hull, an engine, a...
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Mina Tadros, Roberto Vettor, Manuel Ventura and Carlos Guedes Soares
This study presents a practical optimization procedure that couples the NavCad power prediction tool and a nonlinear optimizer integrated into the Matlab environment. This developed model aims at selecting a propeller at the engine operating point with m...
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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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Congbiao Sui, Peter de Vos, Douwe Stapersma, Klaas Visser and Yu Ding
Hybrid propulsion and using liquefied natural gas (LNG) as the alternative fuel have been applied on automobiles and some small ships, but research investigating the fuel consumption and emissions over the total voyage of ocean-going cargo ships with a h...
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Long Lyu, Ankang Kan, Wu Chen, Yuan Zhang and Bingchun Fu
Recovering the waste heat of a marine main engine (M/E) to generate electricity was an environmental way to minimize the carbon dioxide emissions for ships, especially with organic Rankine cycle (ORC) technology. The M/E had variable loads and operating ...
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Yanyun Yu, Hongshuo Zhang, Zongbao Mu, Yating Li, Yutong Sun and Jia Liu
Trim optimization is an available approach for the energy saving and emission reduction of a ship. As a ship sails on the water, the draft and trim undergo constant changes due to the consumption of fuel oil and other consumables. As a result, the select...
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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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Inchul Kim, Chongju Chae and Soyeong Lee
Recovery maneuvers are highly important for rescuing a person overboard at sea. This is the prime reason why the International Maritime Organization (IMO) has published the International Aeronautical and Maritime Search and Rescue (IAMSAR) Manual III, wh...
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Sergejus Lebedevas and Tomas Cepaitis
The decarbonization problem of maritime transport and new restrictions on CO2 emissions (MARPOL Annex VI Chapter 4, COM (2021)562) have prompted the development and practical implementation of new decarbonization solutions. One of them, along with the us...
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