Computational assessment of the effects of pre-chamber and piston geometries on the combustion characteristics of an optical pre-chamber engine
Pre-chamber combustion (PCC) has the potential to extend the lean-burn limit in spark-
ignition engines, which can promote engine efficiency and relieve the concern of emissions …
ignition engines, which can promote engine efficiency and relieve the concern of emissions …
Hydrogen pre-chamber combustion at lean-burn conditions on a heavy-duty diesel engine: A computational study
The combustion of hydrogen generates almost no harmful emissions except for nitric oxides
(NO x), which could be effectively eliminated under lean-burn conditions. In particular, the …
(NO x), which could be effectively eliminated under lean-burn conditions. In particular, the …
Effects of volume and nozzle area in narrow-throat spark-ignited pre-chamber combustion engines
The pre-chamber combustion concept (PCC) concept shows promises for lean combustion
to achieve improved combustion stability and engine efficiency. The KAUST narrow-throat …
to achieve improved combustion stability and engine efficiency. The KAUST narrow-throat …
Computational study of hydrogen engine combustion strategies: Dual-Fuel compression ignition with Port-and Direct-Injection, Pre-Chamber Combustion, and Spark …
This work attempted to identify the best strategy for hydrogen internal combustion (IC)
engines. Computational simulations were conducted to evaluate the combustion and …
engines. Computational simulations were conducted to evaluate the combustion and …
Computational optimization of the performance of a heavy-duty natural gas pre-chamber engine
Optimization of the performance of a heavy-duty natural gas active pre-chamber (PC) engine
was conducted using computational fluid dynamics (CFD) simulations. Seven different …
was conducted using computational fluid dynamics (CFD) simulations. Seven different …
[HTML][HTML] Computational investigation of methanol pre-chamber combustion in a heavy-duty engine
This work explored the potential of methanol pre-chamber combustion (PCC) for heavy-duty
engine applications. An optical engine experiment was conducted to visualize the jet flame …
engine applications. An optical engine experiment was conducted to visualize the jet flame …
[HTML][HTML] Optical study of active narrow throat pre-chamber assisted internal combustion engine at lean limit
The pre-chamber assisted ignition offers several much-needed upgrades to gas engines,
ranging from improved combustion efficiency and stability to extended lean limits. The …
ranging from improved combustion efficiency and stability to extended lean limits. The …
Effect of pre-chamber scavenging strategy on EGR tolerance and thermal efficiency of pre-chamber turbulent jet ignition systems
Dual Mode, Turbulent Jet Ignition (DM-TJI) is an engine combustion technology that
incorporates an auxiliary air supply apart from the auxiliary fuel injection inside the pre …
incorporates an auxiliary air supply apart from the auxiliary fuel injection inside the pre …
Research on jet ignition phases and control parameters in an active pre-chamber optical engine under ultra-lean combustion conditions
Y Tang, D Lou, L Fang, X Wu, Z Wang… - Applied Thermal …, 2025 - Elsevier
The active pre-chamber (APC) jet ignition system is one of the primary technologies for
achieving ultra-lean combustion and high thermal efficiency in engines. The impact of the jet …
achieving ultra-lean combustion and high thermal efficiency in engines. The impact of the jet …
Autoignition of iso-octane at ultra-lean and lean conditions
Ignition delay times (IDTs) of iso-octane/air mixture were measured in a high-pressure shock
tube and a rapid compression machine at ultra-lean (Φ= 0.2) to lean (Φ= 0.4–0.6) …
tube and a rapid compression machine at ultra-lean (Φ= 0.2) to lean (Φ= 0.4–0.6) …