Study of Combustion and Emission Characteristics of Gasoline Engine with Miller Cycle

Jian Wu; Wei Fan; Yang Hua; Yun Long Li; Shao Zhe Zhang; Yi Qiang Pei

doi:10.4028/www.scientific.net/AMR.960-961.1411

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 960-961Study of Combustion and Emission Characteristics...

Study of Combustion and Emission Characteristics of Gasoline Engine with Miller Cycle

Abstract:

On the basis of original engine, high compression ratio miller cycle can be realized, through perfecting the inlet cam profile, using higher geometry compression ratio, combining VVT control technology. The results indicate that the miller cycle achieved by VVT control technology can reduce pumping loss, and improve the effect utilization of energy. The combustion heat release rate is lower than the original engine, and combustion heat release are mainly concentrated on TDC later, lower the burning temperature. Compared with the original engine, NO_Xemissions decrease significantly, but CO and HC emissions increase somewhat.

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Periodical:

Advanced Materials Research (Volumes 960-961)

Pages:

1411-1415

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.960-961.1411

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Online since:

June 2014

Authors:

Jian Wu*, Wei Fan, Yang Hua, Yun Long Li, Shao Zhe Zhang, Yi Qiang Pei

Keywords:

Combustion Characteristic, Emission Characteristic, Miller Cycle, Variable Valve Timing

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* - Corresponding Author

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