4.4 Article

A Numerical Methodology for the Design of Active Prechambers in Spark-Ignition Engines

Related references

Note: Only part of the references are listed.
Article Thermodynamics

A computational assessment of flame speed correlation in an ultra-leanpre-chamber engine

Ghufran Alkhamis et al.

Summary: This study aims to assess the significance of laminar flame speed prediction in the simulation of ultra-lean pre-chamber engine combustion operated with methane. The empirical correlation for laminar flame speed was modified to better represent the flame speeds at ultra-lean engine conditions and was validated against experimental data. The study also investigates the flame topology and relevant turbulent combustion regimes.

INTERNATIONAL JOURNAL OF ENGINE RESEARCH (2023)

Review Green & Sustainable Science & Technology

A review of the pre-chamber ignition system applied on future low-carbon spark ignition engines

Sipeng Zhu et al.

Summary: This paper comprehensively reviews the recent progress and development trends of pre-chamber ignition systems adopted on future low-carbon and low-emission spark ignition engines. Mechanisms, design criteria, and recent studies on this technology are discussed, along with issues for commercialization and future research directions.

RENEWABLE & SUSTAINABLE ENERGY REVIEWS (2022)

Article Thermodynamics

Combustion modelling of turbulent jet ignition in a divided combustion chamber

Mattia Olcuire et al.

Summary: The study focused on turbulent jet ignition for stable lean-burn operation, where combustion in the pre-chamber followed a well-stirred reaction mode and the main chamber combustion developed in a well-stirred reactor type. Variations in nozzle diameter and pre-chamber volume affected flame characteristics, with good alignment between CFD results and experimental data noted. A kinetics-based approach is necessary for combustion modeling under these conditions.

INTERNATIONAL JOURNAL OF ENGINE RESEARCH (2022)

Article Thermodynamics

Numerical investigation of a fueled pre-chamber spark-ignition natural gas engine

Joohan Kim et al.

Summary: PCSI technology offers the potential for diesel-like efficiency in NG engines by utilizing distributed ignition sources to achieve short combustion duration in ultra-lean mixtures. This study uses two combustion models to simulate the combustion process in NG engines and focuses on describing the combustion modeling approach.

INTERNATIONAL JOURNAL OF ENGINE RESEARCH (2022)

Article Energy & Fuels

Effects of volume and nozzle area in narrow-throat spark-ignited pre-chamber combustion engines

Ponnya Hlaing et al.

Summary: The pre-chamber combustion concept (PCC) shows potential for improving combustion stability and engine efficiency, and the throat area is a critical factor in determining its performance.
Article Thermodynamics

Efficient light-duty engine using turbulent jet ignition of lean methane mixtures

Patrik Soltic et al.

Summary: This study examines the impact of different combustion methods used in diesel engines and premixed combustion on fuel efficiency, focusing on the possibility of achieving fast combustion under high pressure conditions by ignition in a prechamber. Experimental results show that, under certain parameter settings, natural gas engines can achieve high efficiency and pressure levels while maintaining low emissions.

INTERNATIONAL JOURNAL OF ENGINE RESEARCH (2021)

Article Thermodynamics

Combustion sensitivity to the nozzle hole size in an active pre-chamber ultra-lean heavy-duty natural gas engine

Gessica Onofrio et al.

Summary: Active pre-chamber configurations are considered a valuable solution for improving the operation of internal combustion engines, especially when combined with natural gas as a fuel. Testing different pre-chamber nozzles in a stationary engine revealed varying performance under different operating conditions, with analysis of combustion characteristics used to evaluate engine performance.

ENERGY (2021)

Article Energy & Fuels

Experimental observation of lean flammability limits using turbulent jet ignition with auxiliary hydrogen and methane in pre-chamber

Lei Zhou et al.

Summary: The study found that fueled pre-chamber turbulent jet ignition can enhance combustion by increasing flame speed and area growth rate. However, pre-chamber ignition fueled with hydrogen can widen the lean flammability limit in the main chamber and reduce the sensitivity of the flame to excess air.
Review Energy & Fuels

An evaluation of the use of alcohol fuels in SI engines in terms of performance, emission and combustion characteristics: A review

Meltem Goktas et al.

Summary: This review study investigates the changes in performance parameters, emissions, and combustion characteristics by using alcohol fuel in spark-ignition engines, highlighting the potential benefits of using alcohol as an alternative fuel compared to gasoline.
Article Engineering, Mechanical

Assessment of Turbulent Combustion Models for Simulating Prechamber Ignition in a Natural Gas Engine

Joohan Kim et al.

Summary: Lean combustion is a promising strategy to increase thermal efficiency in internal combustion engines, but unstable ignition and slow flame propagation at fuel-lean conditions limit the high-efficiency engine operating range. Prechamber ignition is considered an effective concept to extend the lean operating limit by providing spatially distributed ignition with multiple turbulent flame-jets.

JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER-TRANSACTIONS OF THE ASME (2021)

Article Thermodynamics

How engine design improvement impacts on particle emissions from an HD SI natural gas engine

Chiara Guido et al.

Summary: The study investigates the relationship among piston-liner oil leakage, engine operations, and particle emission, and suggests that improvements in piston ring pack design can greatly reduce particle emissions.

ENERGY (2021)

Article Transportation Science & Technology

Modeling Non-Premixed Combustion Using Tabulated Kinetics and Different Fame Structure Assumptions

Tommaso Lucchini et al.

SAE INTERNATIONAL JOURNAL OF ENGINES (2017)

Article Thermodynamics

A study of the turbulent jet flow field in a methane fueled turbulent jet ignition (Tji) system

Masumeh Gholamisheeri et al.

COMBUSTION AND FLAME (2017)

Article Transportation Science & Technology

Investigation of a Methane Scavenged Prechamber for Increased Efficiency of a Lean-Burn Natural Gas Engine for Automotive Applications

Laura Sophie Baumgartner et al.

SAE INTERNATIONAL JOURNAL OF ENGINES (2015)

Article Transportation Science & Technology

Advanced Ignition Systems Evaluations for High-Dilution SI Engines

Thomas Briggs et al.

SAE INTERNATIONAL JOURNAL OF ENGINES (2014)

Article Transportation Science & Technology

Visualization of Propane and Natural Gas Spark Ignition and Turbulent Jet Ignition Combustion

Elisa Toulson et al.

SAE INTERNATIONAL JOURNAL OF ENGINES (2012)

Article Transportation Science & Technology

A Normally Aspirated Spark Initiated Combustion System Capable of High Load, High Efficiency and Near Zero NOx Emissions in a Modern Vehicle Powertrain

William P. Attard et al.

SAE INTERNATIONAL JOURNAL OF ENGINES (2010)

Article Transportation Science & Technology

Flame Kernel Development for a Spark Initiated Pre-Chamber Combustion System Capable of High Load, High Efficiency and Near Zero NOx Emissions

William P. Attard et al.

SAE INTERNATIONAL JOURNAL OF ENGINES (2010)