A Pathway to Ultra-Lean IC Engine Combustion: The Narrow Throat Pre-chamber
Book chapter, 2022

Stable internal combustion (IC) engine operation with a lean mixture allows improved thermal efficiency and reduced engine-out emissions. However, lean limits in IC engines are challenging due to poor ignitibility. Narrow throat pre-chamber as an ignition source allows extending the lean limit through a robust multi-reactive jet ignition and in-cylinder turbulence generation. These benefits have revived the research interest in such narrow throat configurations of pre-chamber. Metal engine studies offer limited insights into the physics of pre-chamber combustion (PCC). However, when coupled with recent optical engine studies involving high-speed visualization and laser diagnostics, a better understanding of this combustion mode is unlocked. This work attempts to evaluate and summarise the recent advancement in PCC research.

Jet ignition

Pre-chamber combustion (PCC)

Lean combustion

Narrow-throat

Author

Manuel Alejandro Echeverri Marquez

King Abdullah University of Science and Technology (KAUST)

Ponnya Hlaing

King Abdullah University of Science and Technology (KAUST)

Priybrat Sharma

King Abdullah University of Science and Technology (KAUST)

Emre Cenker

Transport Technologies Division

Jihad Badra

Transport Technologies Division

Amer Amer

Transport Technologies Division

James Turner

King Abdullah University of Science and Technology (KAUST)

Hong Im

King Abdullah University of Science and Technology (KAUST)

Gaetano Magnotti

King Abdullah University of Science and Technology (KAUST)

Bengt Johansson

Chalmers, Mechanics and Maritime Sciences (M2), Combustion and Propulsion Systems

Energy, Environment, and Sustainability

25228366 (ISSN) 25228374 (eISSN)

175-203
978-981-16-8716-7 (ISBN)

Subject Categories

Mechanical Engineering

DOI

10.1007/978-981-16-8717-4_8

More information

Latest update

4/21/2023