Results 31 to 40 of about 1,653,077 (209)

Effects of fuel ignitability and interference between pilot and main injection on ignition and combustion characteristics of diesel spray

Nihon Kikai Gakkai ronbunshu, 2019
An effective combustion technique is required in order to utilize low ignitability fuels. As one of the solution techniques, pilot injection strategies in diesel engines are widely employed to improve the ignition and exhaust emission characteristics ...
Masahide TAKAGI, Satoshi KAWAUCHI
doaj   +1 more source

Effects of the Multiple Injection Strategy on Combustion and Emission Characteristics of a Two-Stroke Marine Engine

Energies, 2021
This paper presents research on the effects of the multiple injection strategies on the combustion and emission characteristics of a two-stroke heavy-duty marine engine at full load.
J. Seol, Van-Chien Pham, Won-Ju Lee
semanticscholar   +1 more source

A novel objective oriented methodology for marine engine–turbocharger matching

International Journal of Engine Research, 2021
The matching of the turbocharging system with a marine engine is an essential undertaking due to the turbocharger effects on the engine performance, emissions and response, whilst the limited data availability during the ship design phase renders it ...
Panagiotis Mizythras, E. Boulougouris, G. Theotokatos   +2 more
semanticscholar   +1 more source

Numerical Investigation on Mixing Characteristics and Mechanism of Natural Gas/Air in a Super-Large-Bore Dual-Fuel Marine Engine

Atmosphere, 2022
Premixed combustion mode dual-fuel (DF) engines are widely used in large-bore marine engines due to their great potential to solve the problem of CO2 emissions. However, detonation is one of the main problems in the development of marine engines based on
Long Liu, Siyi Liu, Qian Xia, Bo Liu, Xiuzhen Ma   +4 more
semanticscholar   +1 more source

Ammonia marine engine design for enhanced efficiency and reduced greenhouse gas emissions

Nature Communications
Pilot-diesel-ignition ammonia combustion engines have attracted widespread attentions from the maritime sector, but there are still bottleneck problems such as high unburned NH3 and N2O emissions as well as low thermal efficiency that need to be solved ...
Xinyi Zhou, Tie Li, Run Chen, Yijie Wei, Xinran Wang, Ning Wang, Shiyan Li, Min Kuang, Wenming Yang   +8 more
semanticscholar   +1 more source

Numerical Simulation Research on Combustion and Emission Characteristics of Diesel/Ammonia Dual-Fuel Low-Speed Marine Engine

Energies
Amid increasingly stringent global environmental regulations, marine engines are undergoing an essential transition from conventional fossil fuels to alternative fuels to meet escalating regulatory requirements.
Qin Wu, Xingyu Liang, Zhijie Zhu, Lei-lei Cui, Teng Liu   +4 more
semanticscholar   +1 more source

Simulation Analysis of a Methanol Fueled Marine Engine for the Ship Decarbonization Assessment

Energies
Methanol as marine fuel represents one of the most cost-effective and practical solutions towards low-carbon shipping. Methanol fueled internal combustion engines have a high level of technological readiness and are already available on the market ...
M. Altosole, F. Balsamo, U. Campora, E. Fasano, F. Scamardella   +4 more
semanticscholar   +1 more source

Phase-transition materials derived photonic metamaterials for passively dynamic solar thermal and coldness harvesting

Heliyon
The rising need for energy to actively heat and cool human-made structures is contributing to the growing energy crisis and intensifying global warming.
Hengliang Wu, Dan Shang, Huan Zhang, Lifeng Zhi, Shaolong Sun, Shiming Cui, Chaoqun Yan   +6 more
doaj   +1 more source

Experimental Research and Numerical Analysis of Marine Oil Leakage and Accidental Ignition in Fishing Vessels

Applied Sciences, 2023
The hazard of highly combustible marine oil leakage greatly increases fishing vessel operation risks. This research integrates an experiment to explore the coupling mechanism of a typical heated surface of an engine room as a source to ignite marine oil.
Na Li, Bin Zhang, Xiaolei Liu, Kan Wang, Hao Wang   +4 more
doaj   +1 more source

Data-driven model for marine engine fault diagnosis using in-cylinder pressure signals

Journal of Marine Engineering & Technology
Effective diagnosis of marine engines that is crucial for safe and reliable ship operations requires fidel tools for the identification of critical faults.
Chaitanya Patil, G. Theotokatos, K. Tsitsilonis   +2 more
semanticscholar   +1 more source