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Rafal Krakowski and Kazimierz Witkowski
This article shows the effect of the addition of effective microorganisms and silver on the exhaust gas composition and fuel consumption. Exhaust emission standards are becoming increasingly stringent, which makes it difficult for engine manufacturers to...
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Nicole Viola, Roberta Fusaro, Guido Saccone and Valeria Borio
According to the latest report of the Intergovernmental Panel on climate change, aviation contributes to only about 2% to anthropogenic global greenhouse gas (GHG) emissions. However, in view of the growing market demand and the dramatic reductions in ot...
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Aniket R. Khade, Vijaya D. Damodara and Daniel H. Chen
A fuel mixture of ammonia and natural gas as a low-carbon alternative for future power generation and transportation is an attractive option. In this work, a 50-species reduced mechanism, NH3NG, suitable for computational fluid dynamics simulations (CFD)...
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Hanyu Wang, Qingyao Hu, Cheng Huang, Kaifa Lu, Hongdi He and Zhonren Peng
Exhaust emissions from ships have garnered significant attention because of their impact on global climate change, deterioration of air quality, and potential risks to human health. Consequently, it is necessary and urgent to quantify the gaseous and par...
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Juraj Jablonický, Patrícia Feriancová, Juraj Tulík, Lubomír Hujo, Zdenko Tkác, Peter Kuchar, Milan Tomic and Jerzy Kaszkowiak
The technical and environmental parameters of the diesel internal combustion engine using two new samples of biofuels SAMPLE 1 and SAMPLE 2 were evaluated in this paper. SAMPLE 1 and SAMPLE 2 biofuels were tested on a LOMBARDINI LDW 502 internal combusti...
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Shokri Amzin
Combustible carbon-based energy is still prevailing as the world?s leading energy due to its high energy density. However, the oxidation of these hydrocarbons disturbs the natural carbon cycle greatly by increasing greenhouse gases. As emission legislati...
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Shiyi Pan, Jinhua Wang, Bin Liang, Hao Duan and Zuohua Huang
Hydrogen addition can improve the performance and extend the lean burn limit of gasoline engines. Different hydrogen injection strategies lead to different types of hydrogen mixture distribution (HMD), which affects the engine performance. Therefore, the...
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Sergii Sagin, Oleksiy Kuropyatnyk, Arsenii Sagin, Ivan Tkachenko, Oleksij Fomin, Václav Pí?tek and Pavel Kucera
The features of the operation of the drillship-type vessels in special ecological regions of Northern Europe are considered. The main gap in the study of these systems is to determine the optimal degree of recirculation. The requirements of the Internati...
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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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Pratik Rao, Feijia Yin, Volker Grewe, Hiroshi Yamashita, Patrick Jöckel, Sigrun Matthes, Mariano Mertens and Christine Frömming
One possibility to reduce the climate impact of aviation is the avoidance of climate-sensitive regions, which is synonymous with climate-optimised flight planning. Those regions can be identified by algorithmic Climate Change Functions (aCCFs) for nitrog...
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