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 …

Due to its potential to extend the lean limit or overcome knock-limited conditions on spark-
ignited (SI) engines, the pre-chamber spark-ignition (PCSI) concept has gained attention as …

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 …

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 …

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 …

Providing high ignition energies to low reactivity (hard-to-ignite) fuels in premixed
combustion modes is a challenging task. This is especially true if diluted combustion and …

Natural gas engines have become increasingly important in transportation applications,
especially in the commercial vehicle sector. With increasing demand for high efficiency and …

Optimizing boundary condition parameters is an effective means to substantially improve the
combustion performance of methanol pre-chamber turbulent jet ignition systems. In this …

In the present paper, an efficient optimization method based on Bayesian updating strategy
is developed for the design of a spark-ignition engine equipped with pre-chamber. 3D …

Lean combustion is a promising strategy to increase thermal efficiency in an internal
combustion engine, by exploiting a favorable specific heat ratio of the fresh mixture while …