Progress in hydrogen enriched hydrocarbons combustion and engine applications

Abstract

The paper summarized the work on hydrogen enriched hydrocarbons combustion and its application in engines. The progress and understanding on laminar burning velocity, flame instability, flame structure flame and chemical kinetics were presented. Based on fundamental combustion, both homogeneous spark-ignition engine and direct-injection spark-ignition engine fueled with natural gas-hydrogen blends were conducted and the technical route of natural gas-hydrogen combined with exhaust gas recirculation was proposed which experimentally demonstrated benefits on both thermal efficiency improvement and emissions reduction.

Key words： hydrogen enriched hydrocarbon combustion; fundamental study; engine application

Acknowledgements

The work was supported by the National Natural Science Foundation of China (Grant Nos. 51136005, 50636040, 50422261, 59925617), and the National Basic Research Program of China (No. 2007CB210006).

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