Visualization of Combustion and Flow Phenomena in a Methane-Fueled Passive Pre-Chamber Ignited Gas Engine

2023-32-0057

09/29/2023

Features
Event
2023 JSAE/SAE Powertrains, Energy and Lubricants International Meeting
Authors Abstract
Content
This study aims to investigate the combustion and flow phenomena in a stoichiometrically operated methane-fueled passive pre-chamber ignited gas engine. The combustion phenomena are visualized with a high-speed camera and the chemical properties are resolved by Large Eddy Simulation (LES) turbulent model with the SAGE combustion approach. Results reveal that a highly compressed unburnt gas of intermediate fuel species emerges from the pre-chamber before the flame ejection due to the high-pressure difference which promptly consumes the main chamber charge and accelerates combustion. Moreover, the nozzle diameter and spark plug orientation significantly affect the flame propagation as well as the overall engine performance.
Meta TagsDetails
DOI
https://doi.org/10.4271/2023-32-0057
Pages
8
Citation
KHAN, M., KAWAHARA, N., KOBASHI, Y., HIRAYAMA, T. et al., "Visualization of Combustion and Flow Phenomena in a Methane-Fueled Passive Pre-Chamber Ignited Gas Engine," SAE Technical Paper 2023-32-0057, 2023, https://doi.org/10.4271/2023-32-0057.
Additional Details
Publisher
Published
Sep 29, 2023
Product Code
2023-32-0057
Content Type
Technical Paper
Language
English