Analysis of energy efficiency of methane and hydrogen-methane blends in a PFI/DI SI research engine

F. Catapano, S. Di Iorio, P. Sementa and B.M. Vaglieco

Energy, 2016, vol. 117, issue P2, 378-387

Abstract: In the last years, even more attention was paid to the alternative fuels that allow both reducing the fossil fuel consumption and the pollutant emissions. Gaseous fuels like methane and hydrogen are the most interesting in terms of engine application. This paper reports a comparison between methane and different methane/hydrogen mixtures in a single-cylinder Port Fuel/Direct Injection spark ignition (PFI/DI SI) engine operating under steady state conditions. It is representative of the gasoline engine for automotive application. Engine performance and exhaust emissions were evaluated. Moreover, 2D-digital cycle resolved imaging was performed with high spatial and temporal resolution in the combustion chamber. In particular, it allows characterizing the combustion by means of the flame propagation in terms of mean radius and velocity. Moreover, the interaction of turbulence with the local flame was evaluated.

Keywords: Methane; Hydrogen; Energy sustainability; Internal combustion engines (search for similar items in EconPapers)
Date: 2016
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (5)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:117:y:2016:i:p2:p:378-387

DOI: 10.1016/j.energy.2016.06.043

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