Toward highly-efficient combustion of ammonia–hydrogen engine: Prechamber turbulent jet ignition

L Zhou, L Zhong, Z Liu, H Wei - Fuel, 2023 - Elsevier
Ammonia (NH 3) energy has emerged as a new international strategy to mitigate climate
change and energy crises because ammonia–hydrogen fuel can effectively overcome the …

Numerical study on the asymmetrical jets formation from active pre-chamber under super-lean combustion conditions

D Zhao, Y An, Y Pei, H Shi, K Wang - Energy, 2023 - Elsevier
This paper aims to investigate the mechanism of the asymmetric jets of the TJI system. We
analyzed the effects of fuel injection and air flows in pre-chamber and main chamber, initial …

[PDF][PDF] CFD Simulation of Pre-Chamber Spark-Ignition Engines—A Perspective Review

SJ Jeong - Energies, 2024 - preprints.org
The recent demand for reducing pollutant and CO2 emissions from internal combustion
engines has created an urgent need for the development of ultra-lean burn engines that …

Experimental study of gasoline engine with EGR dilution based on reactivity controlled turbulent jet ignition (RCTJI)

L Zhou, Y Ding, AQ Li, Y Song, Z Liu, H Wei - Fuel, 2023 - Elsevier
The exhaust gas recirculation (EGR) method can suppress knock and improve the thermal
efficiency of engines, but it also deteriorates the combustion stability and engine power …

Experimental observation of turbulent jet ignition of pre-chamber with scavenging system for carbon dioxide diluted mixtures

L Zhong, P Liu, L Zhou, H Wei - Proceedings of the Combustion Institute, 2023 - Elsevier
The exhaust gas recirculation (EGR) method can suppress knock and improve the thermal
efficiency of engines. But it will also deteriorate the combustion stability and engine power …

Exploring the EGR dilution limits of a pre-chamber ignited heavy-duty natural gas engine operated at stoichiometric conditions-an optical study

R Rajasegar, A Srna, R Novella, I Barbery - SAE International Journal of …, 2023 - sae.org
Pre-chamber spark ignition (PCSI) systems have been proven to improve combustion
stability in highlydiluted and ultra-lean natural gas (NG) engine operation by providing …

Effects of passive pre-chamber jet ignition on combustion and emission at gasoline engine

W Duan, Z Huang, H Chen, P Tang… - Advances in …, 2021 - journals.sagepub.com
Pre-chamber jet ignition is a promising way to improve fuel consumption of gasoline engine.
A small volume passive pre-chamber was tested at a 1.5 L turbocharged GDI engine …

Evaluation of the turbulent hot jet flame characteristics for achieving high thermal efficiency of hybrid engine

D Zhao, Y Pei, Y An, J Hu, Z Zhang, J Sun… - Applied Thermal …, 2024 - Elsevier
Turbulent jet ignition with active pre-chamber (APC) could enhance the ultra-lean
combustion stability thus improving the engine's thermal efficiency. Different APCs structures …

Investigations into EGR dilution tolerance in a pre-chamber ignited GDI engine

J Rohwer, T Han, A Shah… - International Journal of …, 2023 - journals.sagepub.com
EGR is a useful means to improve fuel economy in spark-ignited gasoline engines,
especially under part-load conditions by means of reducing throttling losses. There is also a …

Comparison of Excess Air (Lean) vs EGR Diluted Operation in a Pre-Chamber Air/Fuel Scavenged Dual Mode, Turbulent Jet Ignition Engine at High Dilution Rate …

C Atis, H Schock - SAE International Journal of Advances and Current …, 2021 - sae.org
Charge dilution is widely considered as one of the leading strategies to realize further
improvement in thermal efficiency from current generation spark ignition engines. While …