|
|
|
|
|
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...
ver más
|
|
|
|
|
|
|
|
|
|
|
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...
ver más
|
|
|
|
|
|
|
|
|
|
|
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...
ver más
|
|
|
|
|
|
|
|
|
|
|
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...
ver más
|
|
|
|
|
|
|
|
|
|
|
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...
ver más
|
|
|
|
|
|
|
|
|
|
|
Vladimir Pelic, Tomislav Mrakovcic, Radoslav Radonja and Marko Valcic
The medium-speed diesel engine in diesel-electric propulsion systems is increasingly used as the propulsion engine for liquefied natural gas (LNG) ships and passenger ships. The main advantage of such systems is high reliability, better maneuverability, ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Zongyu Wang, Hailang Kuang, Jifeng Zhang, Lilin Chu and Yulong Ji
So far, most of the experimental researchers studying the removal of diesel exhaust pollutants have done so with simulated exhaust gas, which cannot demonstrate the ability of catalysts accurately. Because activated carbon (AC) has low price, no secondar...
ver más
|
|
|
|
|
|
|
|
|
|
|
Liyan Feng, Jiangping Tian, Wuqiang Long, Weixin Gong, Baoguo Du, Dan Li and Lei Chen
The authors applied one-dimensional (1-D) simulation and 3-D Computational Fluid Dynamics (CFD) simulation to evaluate the potential of in-cylinder control methods on a low-speed 2-stroke marine engine to reach the International Maritime Organization (IM...
ver más
|
|
|
|
|
|
|
|
|
|
|
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...
ver más
|
|
|
|
|
|
|
|
|
|
|
Beidong Zhang, Yankun Jiang and Yexin Chen
In order to convert the marine diesel engine into an LNG (Liquefied Natural Gas)?diesel dual-fuel engine and ensure its power and emission characteristics, a new calibration method is proposed, and the fuel substitution ratio, economy and detailed partic...
ver más
|
|
|
|
|
|
|
|
|
|
|
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 ...
ver más
|
|
|
|
|
|
|
|
|
|
|
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...
ver más
|
|
|
|
|
|
|
|
|
|
|
Michal Pu?kár, Melichar Kopas, Du?an Sabadka, Marek Kliment and Marieta ?oltésová
Taking into consideration the quality of air, it is necessary to ensure a continued reduction of the gaseous emissions that are produced by the maritime transport. The most effective solution of this serious worldwide problem is application of a suitable...
ver más
|
|
|
|
|
|
|
|
|
|
|
Vlatko Kne?evic, Josip Orovic, Ladislav Stazic and Jelena Culin
The reliability of marine propulsion systems depends on the reliability of several sub-systems of a diesel engine. The scavenge air system is one of the crucial sub-systems of the marine engine with a turbocharger as an essential component. In this paper...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jinkyu Park, Iksoo Choi, Jungmo Oh and Changhee Lee
As concerns regarding environmental pollution, energy security and future oil supply continue to grow, communities around the world are looking for non-petroleum-based alternative fuels along with advanced energy technologies (e.g., fuel cells) to increa...
ver más
|
|
|
|
|
|
|
|
|
|
|
Junting Liu, Jinbo Qu, Yongming Feng, Yuanqing Zhu and Yunjin Wu
The mandatory implementation of the standards laid out in the Energy Efficiency Existing Ship Index (EEXI) and the Carbon Intensity Indicator (CII) requires ships to improve their efficiency and thereby reduce their carbon emissions. To date, the steam R...
ver más
|
|
|
|
|
|
|
|
|
|
|
Haosheng Shen, Jundong Zhang, Baicheng Yang and Baozhu Jia
In this article, to meet the requirements of marine engine room simulator on both the simulation speed and simulation accuracy, a mean value engine model (MVEM) for the 7S80ME-C9.2 marine two-stroke diesel engine was developed and validated in the MATLAB...
ver más
|
|
|
|
|
|
|
|
|
|
|
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...
ver más
|
|
|
|
|
|
|
|
|
|
|
Xiaolei Liu, Kan Wang, Yuru He, Yang Ming and Hao Wang
To extend initial ignition-related fire prevention in ship engine room, this work presents a case study of marine diesel leakage for identifying accidental ignition by hot surface. Based on a self-designed experimental platform, a full-scale innovative e...
ver más
|
|
|
|
|
|
|
|
|
|
|
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...
ver más
|
|
|
|
|
|