Effect of passive pre-chamber orifice diameter on the methane combustion process in an optically accessible SI engine

J Antolini, P Sementa, C Tornatore, F Catapano… - Fuel, 2023 - Elsevier
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 …

Optical evaluation of orifice orientation and number effects on active pre-chamber spark ignition combustion

R Novella, J De la Morena, V Pagano, R Pitarch - Fuel, 2023 - Elsevier
Pre-chamber spark ignition combustion has shown several advantages for its
implementation in engines, mainly related to its capability to achieve stable operation at lean …

An experimental and one-dimensional modeling analysis of turbulent gas ejection in pre-chamber engines

JM Garcia-Oliver, Y Niki, R Rajasegar, R Novella… - Fuel, 2021 - Elsevier
Experimental results from a study on the evolution of gas jets ejected through the orifices of
a pre-chamber in a heavy-duty optical engine are presented. The work examines conditions …

Investigations on spark pre-chamber ignition and subsequent turbulent jet main chamber ignition in a novel optically accessible test rig

W Vera-Tudela, C Barro… - International Journal of …, 2022 - journals.sagepub.com
Turbulent jet ignition (TJI) is a promising strategy to ignite diluted air-fuel mixtures; this is
usually generated by igniting a fraction of the mixture inside a small pre-chamber …

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 …

A Quasi-Dimensional Burn Rate Model for Pre-Chamber-Initiated Jet Ignition Combustion

F Salerno, M Bargende, A Kulzer, M Grill… - … International Journal of …, 2023 - sae.org
Prospective combustion engine applications require the highest possible energy conversion
efficiencies for environmental and economic sustainability. For conventional Spark-Ignition …

Development of a zero-dimensional method for thermodynamic analysis and NOx calculation in the prechamber of a lean-burn gas engine

T Oppl, G Pirker, M Wohlthan… - International Journal of …, 2022 - journals.sagepub.com
Significant improvements in the power density and efficiency of lean-burn large gas-engines
with a prechamber and their high flexibility in meeting fluctuating power requirements …

A Quasi-Dimensional Two-System Burn Rate Model for Pre-Chamber-Initiated SACI Combustion

F Salerno, A Kulzer, M Bargende, M Grill, P Burkardt… - 2023 - sae.org
State-of-the-art spark-ignition engines mainly rely on the quasi-hemispherical flame
propagation combustion method. Despite significant development efforts to obtain high …

Jet ignition prediction in a zero-dimensional pre-chamber engine model

Q Malé, O Vermorel, F Ravet… - International Journal of …, 2022 - journals.sagepub.com
This paper presents a multi-chamber, multi-zone engine model to predict the ignition of a
lean main chamber by a pre-chamber. The two chambers are connected by small cylindrical …

Modelling combustion in spark ignition engines with special emphasis on near wall flame quenching

CP Ranasinghe… - International Journal of …, 2022 - journals.sagepub.com
A flame front is quenched when approaching a cold wall due to excessive heat loss.
Accurate computation of combustion rate in such situations requires accounting for near wall …