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 …

[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 and numerical investigations of the unscavenged prechamber combustion in a rapid compression and expansion machine under engine-like conditions

G Xu, M Kotzagianni, P Kyrtatos, YM Wright… - Combustion and …, 2019 - Elsevier
Even though the unscavenged prechamber has been extensively applied in lean premixed
natural gas engines, the limited understanding of the fundamentals and the lack of predictive …

Combustion characteristics and misfire mechanism of a passive pre-chamber direct-injection gasoline engine

H Zhou, S Meng, Z Han - Fuel, 2023 - Elsevier
Engine combustion characteristics and misfire phenomena in a turbocharged direct-injection
gasoline engine with a pre-chamber are studied through multi-dimensional modeling of the …

Numerical investigation of a fueled pre-chamber spark-ignition natural gas engine

J Kim, R Scarcelli, S Som, A Shah… - … Journal of Engine …, 2022 - journals.sagepub.com
Pre-chamber spark-ignition (PCSI) is a leading advanced ignition concept for internal
combustion engines with the potential to enable diesel-like efficiency in medium-duty/heavy …

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 …

Prechamber ignition: An exploratory 2-D DNS study of the effects of initial temperature and main chamber composition

S Benekos, CE Frouzakis, GK Giannakopoulos… - Combustion and …, 2020 - Elsevier
A numerical investigation was conducted to study ignition and the initial phases of methane
combustion in a two-dimensional setup consisting of a pre-(PC) and main (MC) chamber …

Fundamental aspects of jet ignition for natural gas engines

E Mastorakos, P Allison, A Giusti, P De Oliveira… - … International Journal of …, 2017 - JSTOR
Large-bore natural gas engines may use pre-chamber ignition. Despite extensive research
in engine environments, the exact nature of the jet, as it exits the pre-chamber orifice, is not …

Investigations on spark pre-chamber ignition and subsequent turbulent jet main chamber ignition in a novel optically accessible test rig

W Vera-Tudela, C Barro… - International Journal of …, 2022 - journals.sagepub.com
Turbulent jet ignition (TJI) is a promising strategy to ignite diluted air-fuel mixtures; this is
usually generated by igniting a fraction of the mixture inside a small pre-chamber …

[HTML][HTML] A 2-D DNS study of the effects of nozzle geometry, ignition kernel placement and initial turbulence on prechamber ignition

S Benekos, CE Frouzakis, GK Giannakopoulos… - Combustion and …, 2021 - Elsevier
A parametric direct numerical simulation study was conducted to investigate the effects of
the initial flow field (quiescent or turbulent), nozzle inlet sharpness and width, main chamber …