Experimental and 0D Numerical Investigation of Ultra-Lean Combustion Concept to Improve the Efficiency of SI Engine

2021 ◽  
Author(s):  
Vincenzo De Bellis ◽  
Enrica Malfi ◽  
Fabio Bozza ◽  
Deepak KUMAR ◽  
David Serrano ◽  
...  
Keyword(s):  
Numerical Investigation ◽  
Si Engine ◽  
Lean Combustion

Experimental and numerical investigation on H2/CO formation and their effects on combustion characteristics in a natural gas SI engine

Energy ◽  
2018 ◽  
Vol 143 ◽  
pp. 597-605 ◽  
Author(s):  
Changpeng Liu ◽  
Zhi Wang ◽  
Heping Song ◽  
Yunliang Qi ◽  
Yanfei Li ◽  
...  
Keyword(s):  
Natural Gas ◽  
Numerical Investigation ◽  
Combustion Characteristics ◽  
Si Engine

An experimental and numerical investigation of the catalytic-rich/gaseous-lean combustion of H2/CO/air mixtures at 8 bar

2020 ◽  
Author(s):  
Felipe Bolaños-Chaverri ◽  
John Mantzaras ◽  
Timothy Griffin ◽  
Rolf Bombach ◽  
Dieter Winkler
Keyword(s):  
Numerical Investigation ◽  
Lean Combustion

Effect of Engine Variables on Combustion Performance of Lean Burn Spark Ignition Engine: An Overview

2002 ◽  
Author(s):  
A. Manivannan ◽  
R. Ramprabhu
Keyword(s):  
Internal Combustion Engines ◽  
Flow Characteristics ◽  
Exhaust Emissions ◽  
Spark Ignition ◽  
Spark Ignition Engine ◽  
Combustion Stability ◽  
Combustion Engines ◽  
Si Engine ◽  
Lean Burn ◽  
Lean Combustion

In the development of internal combustion engines, there has been a continuous effort to reduce fuel consumption and exhaust emissions. Lean combustion is a preferred concept for reducing exhaust emissions for meeting stringent emission standards. However lean combustion is associated with increased cycle-by-cycle combustion variation due to combustion instability. The combustion stability under lean mixture conditions could be improved through enhancement of flow characteristics. Effect of engine variables on lean combustion of Spark Ignition (SI) engine is presented, including combustion chamber and inlet port configuration, and ignition system. Use of pre-chamber for lean combustion is one of the feasible method to achieve stable ignition and quick flame propagation. This paper highlights and compares status of various research works carried out in the area of lean burn engines. A critical analysis of reported experimental data is presented in order to substantiate use of lean combustion in SI engine.

Numerical Investigation of In-Cylinder Tumble/Swirl Flow on Mixing, Turbulence and Combustion of Methane in SI Engine

2020 ◽  
Author(s):  
Neeraj Kumar Yadav ◽  
Mohit Raj Saxena ◽  
Rakesh Kumar Maurya
Keyword(s):  
Numerical Investigation ◽  
Swirl Flow ◽  
Si Engine

Numerical investigation the effects of the twin-spark plugs coupled with EGR on the combustion process and emissions characteristics in a lean burn natural gas SI engine

Energy ◽  
2020 ◽  
Vol 206 ◽  
pp. 118181 ◽  
Author(s):  
Xiongbo Duan ◽  
Shiheng Zhang ◽  
Yiqun Liu ◽  
Yangtang Li ◽  
Jingping Liu ◽  
...  
Keyword(s):  
Natural Gas ◽  
Numerical Investigation ◽  
Combustion Process ◽  
Si Engine ◽  
Lean Burn
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