Advantages of hydrogen addition in a passive pre‐chamber ignited SI engine for passenger car applications
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Energy Research"
DOI: 10.1002/er.6648
Abstract: Hydrogen is one of the most promising alternative fuels for the transportation industry. The use of hydrogen to enable lean burn in internal combustion engines is an attractive solution for reducing CO2 emissions from two… read more here.
Keywords: pre chamber; chamber; passive pre; hydrogen ... See more keywords
Development of a homogeneous charge pre-chamber torch ignition system for an SI engine fuelled with hydrous ethanol
Sign Up to like & getrecommendations! Published in 2019 at "Applied Thermal Engineering"
DOI: 10.1016/j.applthermaleng.2019.02.090
Abstract: Abstract Energy is the key to wellbeing and sustainability of modern civilization and its demand continues to increase. With the end of oil availability perspectives and the world energy crisis, technological solutions are needed from… read more here.
Keywords: chamber; pre chamber; engine; ignition system ... See more keywords
Computational assessment towards understanding the energy conversion and combustion process of lean mixtures in passive pre-chamber ignited engines
Sign Up to like & getrecommendations! Published in 2020 at "Applied Thermal Engineering"
DOI: 10.1016/j.applthermaleng.2020.115501
Abstract: Abstract In this paper, a computational study was performed using a combination of several numerical tools to better understand the limiting aspects of combustion in a passive pre-chamber ignition system when operating at lean conditions.… read more here.
Keywords: chamber; energy; computational assessment; combustion ... See more keywords
The effect of equivalence ratio, temperature and pressure on the combustion characteristics of hydrogen-air pre-mixture with turbulent jet induced by pre-chamber sparkplug
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Hydrogen Energy"
DOI: 10.1016/j.ijhydene.2019.05.238
Abstract: Abstract The pre-chamber sparkplug mode can increase the combustion velocity because it can induce the turbulent jet into the cylinder. Higher combustion velocity can increase the brake thermal efficiency and decrease the knock tendency for… read more here.
Keywords: chamber; chamber sparkplug; pre chamber; sparkplug mode ... See more keywords
Study on the ignitability of a high-pressure direct-injected methane jet using a scavenged pre-chamber under a wide range of conditions
Sign Up to like & getrecommendations! Published in 2023 at "International Journal of Engine Research"
DOI: 10.1177/14680874221093144
Abstract: Natural gas is a promising alternative fuel for internal combustion engines, it allows for a reduction of engine-out emissions without impairing high engine efficiencies. Although this approach is already utilized from small to large engine… read more here.
Keywords: high pressure; gas; pre chamber; jet ... See more keywords
A computational assessment of flame speed correlation in an ultra-lean pre-chamber engine
Sign Up to like & getrecommendations! Published in 2022 at "International Journal of Engine Research"
DOI: 10.1177/14680874221125538
Abstract: Predictive modeling of pre-chamber combustion engines relies primarily on the correct description of laminar and turbulent flame speeds. For engineering applications, the correlations of the flame speeds with physical variables involve empirical constants that are… read more here.
Keywords: flame; engine; correlation; flame speed ... See more keywords
Effect of spark timing on the pre-chamber jet ignition in a lean-burn natural gas engine
Sign Up to like & getrecommendations! Published in 2023 at "International Journal of Engine Research"
DOI: 10.1177/14680874231162919
Abstract: An enhanced combustion concept, pre-chamber jet ignition can provide high ignition energy and a wide dispersion of ignition sources, thus improving combustion performance and realizing stable lean combustion. However, the ignition performance of the pre-chamber… read more here.
Keywords: chamber; combustion; engine; spark timing ... See more keywords
Experimental study on combustion instability characteristics in a pre-chamber natural gas engine under lean burn conditions
Sign Up to like & getrecommendations! Published in 2024 at "International Journal of Engine Research"
DOI: 10.1177/14680874241254882
Abstract: Pre-chamber jet ignition is a key technology for future high-efficiency natural gas (NG) engines. It can achieve fast and stable combustion through excellent ignition performance. However, there are still some challenges, such as high combustion… read more here.
Keywords: pre chamber; combustion; combustion instability; engine ... See more keywords
Effect of pre-chamber volume and nozzle number on turbulent jet combustion characteristics of GDI engines
Sign Up to like & getrecommendations! Published in 2024 at "International Journal of Engine Research"
DOI: 10.1177/14680874241286993
Abstract: There are few studies on the effect of turbulent jets on the combustion characteristics of passive pre-chamber (PC) gasoline engines, and their mechanism needs to be elucidated. Therefore, a 3-D simulation was performed using CONVERGE… read more here.
Keywords: effect; pre chamber; combustion; jet ... See more keywords
Experimental Study of Air and EGR Dilution in a Pre-Chamber Spark-Ignited Engine Fueled by Methane
Sign Up to like & getrecommendations! Published in 2025 at "Applied Sciences"
DOI: 10.3390/app152011099
Abstract: Improving the efficiency of spark-ignited (SI) engines while simultaneously reducing emissions remains a critical challenge in meeting global energy demands and increasingly stringent environmental regulations. Lean burn combustion is a proven strategy for increasing efficiency… read more here.
Keywords: dilution; efficiency; pre chamber; combustion ... See more keywords
Experimental Investigation on Knock Characteristics from Pre-Chamber Gas Engine Fueled by Hydrogen
Sign Up to like & getrecommendations! Published in 2024 at "Energies"
DOI: 10.3390/en17040937
Abstract: Hydrogen-fueled engines require large values of the excess air ratio in order to achieve high thermal efficiency. A low value of this coefficient promotes knocking combustion. This paper analyzes the conditions for the occurrence of… read more here.
Keywords: pre chamber; combustion; knock; hydrogen ... See more keywords