2016年11月2日 · Ammonia energy proponents look forward to the day when their fuel is used in internal combustion engines – but the state of this art is unsettled and it is not clear which combustion technologies will win in the end.

2024年3月6日 · Ammonia-powered engine tech fuels cleaner future transportation. Ammonia can also be used as a fuel for fuel cells or combustion engines, producing only nitrogen and water as emissions.

2023年10月1日 · This ammonia-hydrogen synergy combustion, based on on-board hydrogen production, presents a highly promising development direction for ammonia engines. When combined with hybridization, it further enhances the overall energy efficiency of ammonia.

Ammonia IC Engine Overview Compression Ignition • 100% NH 3 requires high compression ratio (CR > 35:1) • Dual-fuel strategies • <10% Pilot diesel injection • Multiple injection strategies for emissions reduction Spark Ignition • Laminar flame speed low for ammonia alone • Blending with hydrocarbon fuel • H 2-NH 3

2024年12月25日 · Ammonia has the potential to serve as a zero-carbon alternative fuel for internal combustion engines and gas turbines, given successful carbon-free synthesis and necessary modifications to legacy heat engines.

2023年4月1日 · Ammonia reduced the combustion phasing and combustion duration periods. The ammonia-fueled CI engine significantly reduced GWP emissions by 3 times over 100 years scale. Ammonia is currently receiving more interest as a carbon-free alternative fuel for internal combustion engines (ICE).

2021年9月9日 · The journey from the laboratory bench to the shop floor continues apace in 2021, as researchers deepen their understanding of ammonia combustion within engines. The team at Université d’Orléans has published several pieces of …

2023年8月30日 · Ammonia (NH 3) is presently receiving a surge of attention as an energy carrier of high gravimetric hydrogen density (17.8% hydrogen content by mass), and is considered a carbon-free fuel that can be directly used in both combustion and fuel cell systems.

2021年9月15日 · Ammonia combustion technologies in piston engines and gas turbine are reviewed. Hydrogen mass fraction ~10% is needed for modest piston engine performances. Multiple fuel injections optimisation enhances piston engine performances. Partially premixed combustion leads to satisfactorily low nitric oxide emission.

2022年7月21日 · In spark-ignition engines, adding hydrogen to ammonia helps in speeding up the flame front propagation and stabilizing the combustion. In compression-ignition engines, ammonia can be successfully used in dual-fuel mode with diesel.