[HTML][HTML] Performance and emission characteristics of an ammonia/diesel dual-fuel marine engine

L Xu, S Xu, XS Bai, JA Repo, S Hautala… - … and Sustainable Energy …, 2023 - Elsevier
This study explores the challenges and possibilities of using ammonia (NH 3) as a carbon-
free fuel for marine propulsion in a Wärtsilä ammonia/diesel dual-fuel engine using a …

Numerical simulation and spray model development of liquid ammonia injection under diesel-engine conditions

J Zhang, D Chen, S Lai, J Li, H Huang, N Kobayashi - Energy, 2024 - Elsevier
Ammonia is regarded as a promising alternative fuel in internal combustion engine for its
potential to reduce carbon emissions. Injection process of liquid ammonia will affect air-fuel …

[HTML][HTML] Performance and emissions of a novel high-pressure direct injection hydrogen dual-fuel engine

M Treacy, A Hadadpour, XS Bai, H Fatehi - Fuel, 2024 - Elsevier
This study presents a comprehensive analysis of the combustion behavior, performance,
and NO x emissions in a diesel-hydrogen dual-fuel high-pressure direct injection (HPDI) …

[HTML][HTML] Large eddy simulation of spray and combustion characteristics of biodiesel and biodiesel/butanol blend fuels in internal combustion engines

L Xu, S Xu, X Lu, M Jia, XS Bai - Applications in Energy and Combustion …, 2023 - Elsevier
Biofuel is a crucial renewable and environmentally friendly energy source for addressing
greenhouse gas emissions and other energy-related issues. Biodiesel and butanol, among …

A numerical study of ignition and flame development characteristics in GCI combustion using large eddy simulations and chemical explosive mode analysis

Y Zhao, C Xu, Y Zhang, Z Yue… - … Journal of Engine …, 2024 - journals.sagepub.com
This work investigates the ignition and flame development processes of low reactivity fuel
combustion under compression ignition conditions based on the large eddy simulation …

Cool flame wave propagation in high-pressure spray flames

S Zhong, S Xu, F Zhang, Z Peng, L Chen… - Proceedings of the …, 2023 - Elsevier
Cool flame has an important impact on the performance and emission of advanced low-
temperature combustion (LTC) internal combustion engines (ICEs) in which the liquid fuel is …

A unified spray model for large eddy simulations under non-flashing and flash boiling conditions: effects of in-nozzle flow and external thermal breakup in liquid …

Z Jin, H Wu, S Xu, D Zhou, S Mi, Y Qian, X Lu - International Journal of …, 2024 - Elsevier
As a carbon-free fuel, liquid ammonia is promising to be applied in gas turbines and marine
engines to facilitate the decarbonization of energy and transportation sectors. However …

Effects of ambient oxygen concentrations on pollutants formation in premixed natural gas ignited by pilot diesel spray: Large-eddy simulations

Y Wei, Z Zhang, M Zhou, D Dong, W Yu, X Mi, G Li - Fuel, 2024 - Elsevier
In the present study, the auto-ignition of a diesel surrogate (n-dodecane) spray in a lean
methane-air mixture is numerically investigated via large-eddy simulations (LES). The main …

Impact of spray interaction on ammonia/diesel dual-fuel combustion and emission under engine relevant conditions

L Xu, P Dong, Z Zhang, J Bu, J Tian, W Long… - Proceedings of the …, 2024 - Elsevier
This study investigates the combustion characteristics of ammonia and diesel sprays in a
constant-volume vessel under conditions typical of internal combustion engines, focusing on …

A grid-independent dispersion approach for large-eddy simulation of spray

S Shao, H Lu, Z Wang, X Cheng - Physics of Fluids, 2024 - pubs.aip.org
This study proposes a subgrid-scale (SGS) dispersion approach for large-eddy simulation
(LES) of spray. Rather than associating the turbulence correlation timescale used in the …