Effect of different ammonia/methanol ratios on engine combustion and emission performance

B Wang, H Wang, C Yang, D Hu, B Duan… - Applied Thermal …, 2024 - Elsevier
The combustion efficiency of ammonia fuel engines is low, and the concentration of
unburned ammonia and N 2 O emissions in the exhaust gas is high. This article aims to …

Ammonia utilization technology for thermal power generation: A review

M Aziz, FB Juangsa, AR Irhamna, AR Irsyad… - Journal of the Energy …, 2023 - Elsevier
Hydrogen is a clean secondary energy source; however, effective hydrogen storage is
demanded as it has a very low volumetric density. Ammonia is promising to store hydrogen …

[HTML][HTML] Enhancing ammonia combustion with minimum hydrogen blended in presence of self-excited intermittent pulsating oscillations

Y Guan, D Zhao - Physics of Fluids, 2023 - pubs.aip.org
In this work, we propose and test a partial premixed fuel injection design of NH 3− H 2− O 2
with double ring-shaped inlets to enhance ammonia combustion in an open-ended …

Experimental investigation of variable compression ratio and ignition timing effects on performance, combustion, and Nox emission of an ammonia/hydrogen-fuelled …

MH Dinesh, GN Kumar - International Journal of Hydrogen Energy, 2023 - Elsevier
In the present experimental study hydrogen-assisted ammonia combustion strategy is used
in a SI engine with variable ignition timings (18ºCA bTDC to 32ºCA bTDC) and wide-open …

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

X Zhou, T Li, R Chen, Y Wei, X Wang, N Wang… - Nature …, 2024 - nature.com
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 …

Single hole ammonia spray macroscopic and microscopic characteristics at flare and transition flash boiling regions

X Liu, X Yao, Z Wang, C Tang - Applied Thermal Engineering, 2023 - Elsevier
As a potential zero-carbon fuel for internal combustion engine to mitigate the greenhouse
gas emission, ammonia's unique flash boiling spray behaviors have not been well …

Ammonia fired gas turbines: Recent advances and future perspectives

D Pashchenko - Energy, 2024 - Elsevier
Transition to carbon-neutral energy generation is a reality, and great efforts are being made
in this direction in the last years. Ammonia is a promising carbon-free fuel, and it can be …

Effects of intake parameters and compression ratio on ammonia combustion and emissions in SI engines

X Hu, J Pan, R Zhang, J Li, W Li, H Wei - Fuel, 2023 - Elsevier
Ammonia is an attractive hydrogen carrier and zero-carbon fuel for achieving de-
carbonization targets. However, realistic engines with pure ammonia often suffer from …

Evaluation of hydrogen injection and oxygen enrichment strategies in an ammonia-hydrogen dual-fuel engine under high compression ratio

C Hong, C Ji, S Wang, G Xin, Y Qiang, J Yang - Fuel, 2023 - Elsevier
Ammonia with low reactivity still faces some challenges as the main fuel for engines.
Hydrogen and oxygen, as two combustion improvers, are expected to solve ammonia's …

Enhancing combustion efficiency and reducing nitrogen oxide emissions from ammonia combustion: A comprehensive review

J Tian, L Wang, Y Xiong, Y Wang, W Yin, G Tian… - Process Safety and …, 2024 - Elsevier
Ammonia is an efficient energy carrier with high hydrogen content and can be used as a
clean energy source to replace traditional petroleum fuels. Compared with hydrogen …