[HTML][HTML] Efficiency and raw emission benefits from hydrogen addition to methane in a Prechamber–Equipped engine

P Soltic, T Hilfiker - International Journal of Hydrogen Energy, 2020 - Elsevier
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 …

Efficient light-duty engine using turbulent jet ignition of lean methane mixtures

P Soltic, T Hilfiker, S Hänggi - International Journal of …, 2021 - journals.sagepub.com
Diesel engines use diffusion-controlled combustion of a high-reactivity fuel and offer high
efficiencies because they combine lean combustion with a high compression ratio. For low …

Method for pressure trace based thermodynamic analysis of pre-chamber combustion

M Balmelli, D Rogers, T Hilfiker, Y Wright… - Energy Conversion and …, 2024 - Elsevier
An effective way to ignite low-reactivity mixtures in engines is to allocate the ignition source,
usually a sparkplug, inside a pre-chamber (PC); the ignition of the premixed charge in the …

Experimental comparison of efficiency and emission levels of four-cylinder lean-burn passenger car-sized CNG engines with different ignition concepts

P Soltic, T Hilfiker, R Hutter, S Hänggi - Combustion Engines, 2019 - yadda.icm.edu.pl
Today's passenger car CNG engines are based on petrol engines which typically have
restrictions preventing the exploitation of the full potential of methane based fuels, especially …

Energy efficiency research of propulsion system for series-parallel hybridization of amphibious vehicles

X Sun, F Xin, K Gao - Heliyon, 2024 - cell.com
The series-parallel hybrid system has attracted much attention from scholars for its effective
integration of the power advantages and operating characteristics of different power …

Model development of a CNG active pre-chamber fuel injection system

G Onofrio, P Napolitano, C Abagnale, C Guido… - 2021 - sae.org
Natural gas as an internal combustion engine fuel is taking a predominant role as a mid-
term solution to pollution due to combustion driven human activities both in the energy and …