Effects of Natural Gas Compositions on Engine In-Cylinder Process

La Xiang; Yu Ding

doi:10.4028/www.scientific.net/AMR.1092-1093.498

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 1092-1093Effects of Natural Gas Compositions on Engine...

Effects of Natural Gas Compositions on Engine In-Cylinder Process

Abstract:

Natural gas (NG) is one of the most promising alternative fuels of diesel and petrol because of its economics and environmental protection. Generally the NG engine share the similar structure profile with diesel or petrol engine but the combustion characteristics of NG is varied from the fuels, so the investigation of NG engine combustion process receive more attentions from the researchers. In this paper, a zero-dimensional model on the basis of Vibe function is built in the MATLAB/SIMULINK environment. The model provides the prediction of combustion process in natural gas engines, which has been verified by the experimental data in the NG test bed. Furthermore, the influence of NG composition on engine performance is investigated, in which the in-cylinder maximum pressure and temperature and mean indicated pressure are compared using different type NG. It is shown in the results that NG with higher composition of methane results in lower maximum temperature and mean indicated pressure as well as higher maximum pressure.

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Periodical:

Advanced Materials Research (Volumes 1092-1093)

Pages:

498-503

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1092-1093.498

Citation:

Cite this paper

Online since:

March 2015

Authors:

La Xiang, Yu Ding*

Keywords:

Engine, Gas Composition, In-Cylinder Process, Natural Gas, Simulation

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* - Corresponding Author

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