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Sergejus Lebedevas and Edmonas Mila?ius
The decarbonization of maritime transport has become a crucial strategy for the adoption of renewable low-carbon fuels (LCFs) (MARPOL 73/78 (Annex VI) and COM (2021) 562-final 2021/0210 (COD)). In 2018, 98% of operated marine diesel engines ran on fossil...
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Zan Huang, Zhaochun Lyu, Peifang Luo, Guoqing Zhang, Wenxuan Ying, Aiguo Chen and Hua Xiao
Sustainable ammonia is one of the leading candidates in the search for alternative clean fuels for marine applications. This paper aims to build a simulation model of a six-cylinder, four-stroke diesel engine to investigate the effects of increasing the ...
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Gang Wu, Jiaoxiu Li, Hao Guo, Xin Wang and Guohe Jiang
The use of alternative fuels in ships faces the dual challenge of emission regulations and cost of use. In this paper, the impact of biodiesel blends from cooking waste as a carbon-neutral fuel for inland waterway vessels was investigated. The software A...
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Sergejus Lebedevas, Justas ?aglinskis and Martynas Drazdauskas
The decarbonisation of maritime transport in connection with the European Union and International Maritime Organisation directives is mainly associated with renewable and low-carbon fuel use. For optimisation of energy indicators of ship power plants in ...
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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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Rui Zhou, Jiyin Cao, Gang Zhang, Xia Yang and Xinyu Wang
High heat load on diesel engines is a main cause of ship failure, which can lead to ship downtime and pose a risk to personal safety and the environment. As such, predictive detection and maintenance measures are highly important. During the operation of...
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Dawid Tatarynow, Rafal Longwic, Przemyslaw Sander, Lukasz Zielinski, Michal Trojgo, Wincenty Lotko and Pawel Lonkwic
This article discusses current testing methods for motor vehicle engines. Traction engines have so far been tested, for example, according to WLTP (Worldwide Harmonized Light Vehicle Test Procedure) driving tests, but due to the ?VW?gate? incident, these...
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Van Chien Pham, Jeong Kuk Kim, Won-Ju Lee, Su-Jeong Choe, Van Vang Le and Jae-Hyuk Choi
Piston bowl geometry plays an important role in the fuel/air mixing quality which has a direct influence on the performance and emission characteristics of the engine. This work studied the effects of piston bowl geometry on the combustion and emissions ...
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Ying Sun, Lin Lv, Peng Lee and Yunkai Cai
In-cylinder pressure is one of the most important references in the process of diesel engine performance optimization. In order to acquire effective in-cylinder pressure value, many physical tests are required. The cost of physical testing is high; vario...
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Arkadiusz Jamrozik, Wojciech Tutak and Karol Grab-Rogalinski
The search for alternative fuels that can limit the use of traditional fossil fuels to power internal combustion engines is one of the main tasks faced by both the modern automotive industry and the modern energy industry. This paper presents experimenta...
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Daoyi Lu, Gerasimos Theotokatos, Jundong Zhang, Hong Zeng and Keying Cui
Although the exhaust gas recirculation (EGR) technology has been proven effective to decrease the marine engine?s nitrogen oxides (NOx) emissions, it is associated with a considerable fuel consumption increase and challenges to the engine?turbocharger ma...
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Rongbin Xin, Jinguo Zhai, Chang Liao, Zongyu Wang, Jifeng Zhang, Zabihollah Bazari and Yulong Ji
Development of intelligent ships requires marine diesel engine simulation models of high accuracy and fast response. In addition, with advent of tighter shipping air emissions regulations, such models are required to have emission prediction capabilities...
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Bowen Zheng, Zhenghe Song, Enrong Mao, Quan Zhou, Zhenhao Luo, Zhichao Deng, Xuedong Shao and Yuxi Liu
Aiming at the serious problem of agricultural tractor emission pollution, especially the limitation of nitrogen dioxide (NOx) and soot emissions, we took an agricultural diesel engine as the research object, and a diesel engine combustion chamber model w...
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Zihao Shu, Jun Deng, Zuoqin Qian, Chunguang Fei, Siwei Zhu, Yuxuan Du and Kai Zhou
Due to special working conditions, diesel engines often need to run stably for a long time at high power operating conditions. As the core of diesel engine moving parts, the piston needs to be exposed to high temperature for a long time. Based on the pro...
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Maria Acanfora, Marco Altosole, Flavio Balsamo, Luca Micoli and Ugo Campora
The article deals with a simulation approach to the representation of the ship motions in waves, interacting with the propulsion system behavior (diesel engine and propeller). The final goal is the development of a simulator, as complete as possible, tha...
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Michal Pu?kár, Pavol Tarbajovský, Matú? Lavcák and Marieta ?oltésová
Large transoceanic ships use marine ancillary diesel engines for generating electricity, which, on the other hand, produce a remarkable amount of harmful emissions during the combustion process. The International Maritime Organisation (IMO) establishes s...
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Sergejus Lebedevas and Tomas Cepaitis
The publication examines one of the most effective ways to decarbonize marine transport, specifically the secondary heat sources utilization in the cogeneration cycle of the main engines. The research focuses on the optimization of Organic Rankine Cycle ...
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Ivan Gospic, Ivica Glavan, Igor Poljak and Vedran Mrzljak
The paper discusses the possibility of applying the trigeneration energy concept (cogeneration + absorption cooling) on diesel-powered refrigerated ships, based on systematic analyses of variable energy loads during the estimated life of the ship on a pr...
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Roman Varbanets, Oleksij Fomin, Václav Pí?tek, Valentyn Klymenko, Dmytro Minchev, Alexander Khrulev, Vitalii Zalozh and Pavel Kucera
The article presents the acoustic method of marine low-speed engine turbocharger parameter estimation under operating conditions when a prompt assessment of instantaneous turbocharger speed and rotor vibration level is required. The method lies in the an...
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Carlo Cunanan, Manh-Kien Tran, Youngwoo Lee, Shinghei Kwok, Vincent Leung and Michael Fowler
Greenhouse gas emissions from the freight transportation sector are a significant contributor to climate change, pollution, and negative health impacts because of the common use of heavy-duty diesel vehicles (HDVs). Governments around the world are worki...
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