Effects of EGR and Alternative Fuels on Homogeneous Charge Compression Ignition (HCCI) Combustion Mode

Saliha Mohammed Belkebir; Benyoucef Khelidj; Miloud Tahar Abbes

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Effects of EGR and Alternative Fuels on Homogeneous Charge Compression Ignition (HCCI) Combustion Mode

机译：Effects of EGR and Alternative Fuels on Homogeneous Charge Compression Ignition (HCCI) Combustion Mode

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We present in this article an analysis of the impacts of the exhaust gas recirculation (EGR) and alternative fuels on HCCI combustion mode. The objective is to reduce the pollutant emissions below the levels of established pollution standards. The ANSYS CHEMKIN-Pro software and the combined chemical kinetics mechanism were used to perform simulations for a closed homogeneous reactor under conditions relevant to HCCI engines. The calculation process is based on one single-zone in the combustion chamber. Numerical simulation has proven the ability of the models adopted, which use the essential mechanisms of the fuel combustion process, to reproduce, among other things, the evolution of the formation of chemical species. This study showed that adding hydrogen (H_2) to methane (CH_4) is an interesting alternative fuel because it reduces; ignition time. It was concluded that an increase of EGR rate conducts to a slower combustion process, lower temperatures, and the reduction of nitrogen oxide (NO_x) emissions.

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《International journal of design & nature and ecodynamics》 |2021年第2期|135-144|共10页
作者
Saliha Mohammed Belkebir; Benyoucef Khelidj; Miloud Tahar Abbes;
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作者单位

Laboratory of Mechanics and Energy (LME), Department of Mechanical Engineering, Faculty of Technology, University Hassiba Benbouali of Chlef, Chlef 02000, Algeria;

Laboratory of Industrialist Fluid Measurement and Applications (FIMA), Department of Technology, Faculty of Science and Technology, University Djilali Bounaama of Khemis-Miliana, Khemis Miliana 44225, Algeria;

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正文语种英语
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pollutant emissions; direct injection diesel engine; HCCI engine; EGR; alternative fuel; chemical kinetics;

Effects of EGR and Alternative Fuels on Homogeneous Charge Compression Ignition (HCCI) Combustion Mode

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