Lean combustion analysis using a corona discharge igniter in an optical engine fueled with methane and a hydrogen-methane blend

V Cruccolini, G Discepoli, A Cimarello, M Battistoni… - Fuel, 2020 - Elsevier
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 …

Modeling of thermal and kinetic processes in non-equilibrium plasma ignition applied to a lean combustion engine

J Zembi, V Cruccolini, F Mariani, R Scarcelli… - Applied Thermal …, 2021 - Elsevier
In recent years novel ignition systems have been developed to enable stable and efficient
engine operations with lean mixtures. Among them, radio-frequency corona ignition systems …

Experimental characterisation of the thermal energy released by a Radio-Frequency Corona Igniter in nitrogen and air

G Discepoli, V Cruccolini, F Ricci, A Di Giuseppe… - Applied Energy, 2020 - Elsevier
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 …

Energy characterization of an innovative non-equilibrium plasma ignition system based on the dielectric barrier discharge via pressure-rise calorimetry

F Ricci, G Discepoli, V Cruccolini, L Petrucci… - Energy Conversion and …, 2021 - Elsevier
A dielectric barrier discharge igniter (BDI) ensures engine stable combustion at lean and/or
diluted conditions by the generation of non-equilibrium low-temperature plasma (LTP) …

Comparative analysis between a barrier discharge igniter and a streamer-type radio-frequency corona igniter in an optically accessible engine in lean operating …

V Cruccolini, G Discepoli, F Ricci, L Petrucci… - 2020 - sae.org
Among plasma-assisted ignition technologies, the Radio-Frequency (RF) corona family
represents an interesting solution for the ability to extend the engine operating range. These …

[HTML][HTML] Comparative analysis of thermal and non-thermal discharge modes on ultra-lean mixtures in an optically accessible engine equipped with a corona ignition …

F Ricci, R Martinelli, M Dal Re, CN Grimaldi - Combustion and Flame, 2024 - Elsevier
Radio-Frequency corona-based ignition systems are currently being investigated by the
engine research community for their capability to ensure robust combustion at challenging …

LES investigation of cycle-to-cycle variation in a SI optical access engine using TFM-AMR combustion model

J Zembi, M Battistoni, SK Nambully… - … Journal of Engine …, 2022 - journals.sagepub.com
Multi-cycle large-eddy simulations (LES) are performed to investigate combustion cycle-to-
cycle variability (CCV) in a gasoline spark ignited optical access engine operating under …

Investigation of the Lean Stable Limit of a Barrier Discharge Igniter and of a Streamer-Type Corona Igniter at Different Engine Loads in a Single-Cylinder Research …

F Ricci, L Petrucci, V Cruccolini, G Discepoli… - Proceedings, 2020 - mdpi.com
Currently, the Radio-Frequency Corona Ignition systems represent an important solution for
reducing pollutant emissions and fuel consumption related to Internal Combustion Engines …

An optical method to characterize streamer variability and streamer-to-flame transition for radio-frequency corona discharges

V Cruccolini, CN Grimaldi, G Discepoli, F Ricci… - Applied Sciences, 2020 - mdpi.com
Featured Application igniter end-of-line testing. Abstract In recent years, radio-frequency
corona ignition gained increasing interest from the engine research community because of …

Experimental and numerical investigations of the early flame development produced by a corona igniter

F Ricci, J Zembi, M Battistoni, C Grimaldi, G Discepoli… - 2019 - sae.org
In order to reduce engine emissions and fuel consumption, extensive research efforts are
being devoted to develop innovative ignition devices, able to extend the stable engine …