Research progress of high efficient and clean combustion of automotive gasoline engines

doi:10.3969/j.issn.1674-8484.2010.03.001

Abstract

Abstract: This paper illustrates the development of Chinese automotive industry and the evolvement of related energy and emission regulations in the decade 2000—2009. It points out that the importance of energy-saving will exceed the problem of pollution. Gasoline direct injection (GDI) and downsizing are the main two approaches for low fuel consumption.The downsizing technology for port fuel injection (PFI) gasoline engines has an advantage of low cost, while the downsizing technology for GDI engines has a better fuel economy. The 2nd generation of GDI engines with stoichiometric combustion has a limited potential of low fuel consumption. The 3rd generation of GDI engine should solve three problems, including knock at high compression ratio, combustion stability in exhaust diluted atmosphere, and particulate matters formation in stratified mixture. Homogeneous charge compression ignition ( HCCI) is an ideal combustion mode for energy-saving and emission reduction of gasoline engines. Gasoline/diesel dual-fuel combustion can reach the highest benefit on fuel consumption, providing the possibility for unification of gasoline engines and diesel engines in the future.

Key words: gasoline engine, combustion, , high efficiency, low emission, gasoline direct injection (GDI), homogeneous charge compression ignition ( HCCI)

CLC Number:

TK 411+.2

WANG Jianxin, WANG Zhi. Research progress of high efficient and clean combustion of automotive gasoline engines[J]. Journal of Automotive Safety and Energy, 2010, 1(3): 167-178.

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