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Jaehan Jeon and Gerasimos Theotokatos
Digital twins (DTs) are gradually employed in the maritime industry to represent the physical systems and generate datasets, among others. However, the trustworthiness of both the digital twins and datasets must be assured. This study aims at developing ...
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Vladimir Pelic, Ozren Bukovac, Radoslav Radonja and Nastia Degiuli
Modern marine propulsion systems must be reliable, energy efficient, environmentally friendly, and economical. Efforts to reduce fuel costs and carbon dioxide (CO2) emissions per nautical mile have a significant impact on the choice of propulsion system....
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Dionysios Polemis, Michael Boviatsis and Stefanos Chatzinikolaou
The wide spread of the Diesel engine has been instrumental in the development of modern shipping. Marine Diesel engines dominate today as an option for the propulsion of commercial ships. While replacing Diesel engines with alternative propulsion engines...
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Carlos Gervasio Rodríguez, María Isabel Lamas, Juan de Dios Rodríguez and Amr Abbas
Nowadays, the environmental impact of shipping constitutes an important challenge. In order to achieve climate neutrality as soon as possible, an important priority consists of progressing on the decarbonization of marine fuels. Free-carbon fuels, used a...
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Sergii Sagin, Sergey Karianskyi, Volodymyr Madey, Arsenii Sagin, Tymur Stoliaryk and Ivan Tkachenko
The results of the research work on biofuel?s impact on the environmental and economic performance of marine diesel engines are presented. During the research, a fuel mixture was used that consisted of the diesel fuel RMA10 and FAME biofuel. The objectiv...
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Zhongmin Ma, Taili Du, Shulin Duan, Hongfei Qu, Kai Wang, Hui Xing, Yongjiu Zou and Peiting Sun
Implementation of new emissions regulations calls for a reassessment of the emissions levels of newly built ships sailing in Chinese regions. In this paper, marine diesel engines are subjected to emissions bench tests using high-precision testing equipme...
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Marco Altosole, Flavio Balsamo, Ugo Campora and Luigia Mocerino
The performance of a marine dual-fuel engine, equipped with an innovative hybrid turbocharger producing electric power to satisfy part of the ship?s electric load, is presented by a simulation comparison with the traditional turbocharging technology. The...
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Myeong-rok Ryu and Kweonha Park
The International Maritime Organization (IMO) is strengthening regulations on reducing sulfur oxide emissions, and the demand for reducing exhaust noise affecting the environment of ships is also increasing. Various technologies have been developed to sa...
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Kazimierz Witkowski
The article?s applications are very important, as it is only a dozen or so years since the current issues of protection of the atmosphere against emissions of toxic compounds from ships. The issue was discussed against the background of binding legal nor...
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Xi Wang, Minfei Wang, Yue Han and Hanyu Chen
A study on unregulated emissions of a conventional diesel self-ignition and partial premixed compression ignition (PPCI) marine engine at full load condition was performed, respectively. In this work, PPCI was realized in a marine engine by blending 15% ...
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Sokratis Stoumpos, Gerasimos Theotokatos, Christoforos Mavrelos and Evangelos Boulougouris
This study aims at developing an integrated model that combines detailed engine thermodynamic modelling and the control system functional modelling paving the way towards the development of high-fidelity digital twins. To sufficiently represent the combu...
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Jan Monieta and Adrian Sendecki
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Matteo Dodero, Serena Bertagna, Alberto Marino? and Vittorio Bucci
Currently, most ships use internal combustion engines (ICEs) either as propulsion engines or generator sets. The growing concern in environmental protection along with the consequent international rule framework motivated shipowners and designers to repl...
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Crístofer H. Marques, Jean-D. Caprace, Carlos R. P. Belchior and Alberto Martini
Increasing environmental demands, alongside the planned penetration of natural gas as marine fuel, have rendered dual-fuel engines as an attractive prime mover alternative. In this context, knowing the specific fuel consumption is essential to selecting ...
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Jinkyu Park, Iksoo Choi, Jungmo Oh and Changhee Lee
Exhaust gases from ships and automobiles have a significant impact on people and the environment. As a result, diesel engines used in land and marine vehicles are gradually being restricted, and low-carbon engines are under development. This study consid...
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Zhipeng Li, Bonan Wang, Xianbin Wang, Chao Zhang and Xu Meng
A sensor for measuring the crankshaft angle of the main engine in ships is designed. Compared with the existing crankshaft angle encoder, this design?s advantage is that there is no need to add a gear system at the free end of the crankshaft, reducing ma...
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Gun-Baek So
As international regulations on greenhouse gas emissions are becoming stricter, the development of eco-friendly main engines is required for ocean-going ships. To use cryogenic LNG as a fuel for marine engines, it has to be converted to gas. This process...
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