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Heliyon, 2023 Lean boosting is a low-temperature combustion technology that can contribute to the expansion of the operation range by reducing the pressure increase rate and the combustion temperature owing to the increase in the intake air amount, even though the ...
Changgi Kim +3 more
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Feedback control of oscillations in combustion and cavity flows [PDF]
, 2010 This thesis considers the control of combustion oscillations, motivated by the susceptibility of lean premixed combustion to such oscillations, and the long and expensive development and commissioning times that this is giving rise to.
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Flow and combustion in disc and pent-roof SI engines [PDF]
, 2006 Reported in this thesis is a study of combustion in a disc-shaped combustion chamber spark ignition engine, and in-cylinder flow and combustion in an idealised pent-roof spark ignition engine. Both engines were skip fired, to remove residuals and ensure
Murad, Ahmad E. M. A
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Analysis of Combustion Instability for a Natural Gas Engine with Lean-burn Conditions [PDF]
Zhengzhou Daxue xuebao. Gongxue banTo study the variation law of combustion instability of natural gas engine with lean-burn condition,experiments were carried out on a natural gas engine with six different excess air coefficients with the condition of25% load and 1 000 r / min.
DING Shunliang +4 more
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Performance Evaluation of an Ultra-Lean Combustion Studies in IC Engines
MATEC Web of Conferences, 2016 An investigation was made to determine the effects of ethanol at ultra-lean effective systems utilizing an experimental study. The present study is planned to develop and evaluate the performance, emission and combustion characteristics of the ultra-lean
Puli Ravi Kumar +4 more
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Fuel Processing TechnologyHydrogen enrichment of gasoline in spark-ignition engines represents a promising pathway for improving combustion stability and extending lean-burn operating limits while reducing harmful emissions. However, the quantitative relationship between hydrogen
Michal Puškár, Melichar Kopas
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International Journal of Automotive Engineering, 2015 This paper aims to improve thermal efficiency of spark ignition engine by numerical calculation with detailed chemistry. Experimental results from a four-stroke-single-cylinder engine are compared with that of simulations. It is experimentally found that
Ratnak Sok +4 more
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Impact of hydrogen direct injection on engine combustion and emissions in a GDI engine
Advances in Mechanical Engineering, 2023 The combustion and emission characteristics of a hydrogen engine were investigated through experimental analysis using a GDI engine. To enable hydrogen in-cylinder direct injection, a specialized hydrogen gas injector was employed. A comparative analysis
Lei Wang +4 more
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EnergiesBased on a constant volume combustion chamber, the initial ambient pressure effect on gasoline combustion performance and flame propagation of the active and passive pre-chamber ignition systems were studied.
Zongjie Hu +8 more
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On Lean Turbulent Combustion Modeling [PDF]
INCAS Bulletin, 2014 This paper investigates a lean methane-air flame with different chemical reaction mechanisms, for laminar and turbulent combustion, approached as one and bi-dimensional problem.
Constantin LEVENTIU, Sterian DANAILA
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