Legislations for greenhouse gas and pollutant emissions from light-duty vehicles are
pushing the spark ignition engine to be cleaner and more efficient. As one of the promising …

To meet the future requirements of fuel economy and exhaust emissions, high-efficiency
gasoline engines tend to employ diluted combustion concepts along with intensified charge …

Passive pre-chamber ignition concept has been proven to be an excellent strategy to
increase the ignition energy and enhance the combustion velocity even when spark-ignition …

Lean spark ignition (SI) engine operation can provide improvement of the thermal efficiency
relative to that of stoichiometric SI operation. However, the cycle-to-cycle variations of SI …

Recent needs of reducing pollutant emissions of internal combustion engines have pushed
the development of non-conventional ignition systems. One of the most promising …

The robustness of combustion initiation is one of the main issues of actual spark-ignition
engines, especially for highly-diluted or lean mixtures. In this work, the effects on combustion …

Abstract The Radio-Frequency Corona Ignition System is characterised by a wide initial
combustion volume and precursors production, via radical insemination by the streamers, in …

Fuel-specific differences in exhaust gas recirculation (EGR) dilution tolerance are studied in
a modern, direct-injection single-cylinder research engine. A total of 6 model fuel blends are …

The downsizing of internal combustion engines to increase fuel economy leads to
challenges in both obtaining ignition and stabilizing combustion at boosted intake pressures …

Lean operation of Spark-Ignition engines can provide higher thermal efficiency compared to
standard stoichiometric operation. However, for a homogeneous lean mixture, the …