Improving thermal efficiency of internal combustion engines: recent progress and remaining challenges

RY Dahham, H Wei, J Pan - Energies, 2022 - mdpi.com
Improving thermal efficiency and reducing carbon emissions are the permanent themes for
internal combustion (IC) engines. In the past decades, various advanced strategies have …

A review of aircraft subsonic and supersonic combustors

GAQ Abdulrahman, NAA Qasem, B Imteyaz… - Aerospace Science and …, 2023 - Elsevier
Combustion is an essential process for generating propulsion for most existing aircraft. The
combustion processes, such as ignition, flame propagation, and flame stability, are …

Influence of pre-chamber structure and injection parameters on engine performance and combustion characteristics in a turbulent jet ignition (TJI) engine

J Hua, L Zhou, Q Gao, Z Feng, H Wei - Fuel, 2021 - Elsevier
Turbulent jet ignition (TJI) has been proven to effectively improve the burning rate and
expand the lean-burn limit of gasoline engines. In this work, based on a single-cylinder …

A study of the influence of orifice diameter on a turbulent jet ignition system through combustion visualization and performance characterization in a rapid compression …

G Gentz, B Thelen, M Gholamisheeri, P Litke… - Applied Thermal …, 2015 - Elsevier
Abstract Turbulent Jet Ignition is a prechamber initiated combustion system that can replace
the spark plug in a standard spark ignition engine. The nozzle orifice is critical in a turbulent …

The ignition characteristics of the pre-chamber turbulent jet ignition of the hydrogen and methane based on different orifices

P Liu, L Zhong, L Zhou, H Wei - International Journal of Hydrogen Energy, 2021 - Elsevier
In this paper, the combustion characteristics of premixed CH 4-air and H 2-air mixtures with
different excess air coefficients ignited by hot jet or jet flame are investigated experimentally …

Detailed numerical simulation of transient mixing and combustion of premixed methane/air mixtures in a pre-chamber/main-chamber system relevant to internal …

F Qin, A Shah, Z Huang, L Peng, P Tunestal… - Combustion and …, 2018 - Elsevier
Transient mixing and ignition mechanisms in a simplified pre-chamber/main-chamber
system are investigated using direct numerical simulation (DNS) with detailed chemical …

Review of cavity ignition in supersonic flows

Z Cai, T Wang, M Sun - Acta Astronautica, 2019 - Elsevier
The cavity-based flameholder is a promising device in supersonic combustion issues in a
scramjet engine and it also provides a favorable ignition environment inside the cavity owing …

Prechamber ignition: An exploratory 2-D DNS study of the effects of initial temperature and main chamber composition

S Benekos, CE Frouzakis, GK Giannakopoulos… - Combustion and …, 2020 - Elsevier
A numerical investigation was conducted to study ignition and the initial phases of methane
combustion in a two-dimensional setup consisting of a pre-(PC) and main (MC) chamber …

Fundamental aspects of jet ignition for natural gas engines

E Mastorakos, P Allison, A Giusti, P De Oliveira… - … International Journal of …, 2017 - JSTOR
Large-bore natural gas engines may use pre-chamber ignition. Despite extensive research
in engine environments, the exact nature of the jet, as it exits the pre-chamber orifice, is not …

The impact of gasoline formulation on turbulent jet ignition

I Gorbatenko, A Nicolle, M Silva, HG Im, SM Sarathy - Fuel, 2022 - Elsevier
Turbulent jet ignition (TJI) is a promising technology for burning ultra-lean mixtures; the
process is comprised of hot reactive jets issuing from a pre-chamber (PC) and initiating …