Numerical Study of the Intake Temperature on Gasoline Engine

Lin Pei Han; Wei Hong; Yan Su; Fang Xi Xie; Yun Xu

doi:10.4028/www.scientific.net/AMR.960-961.1404

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 960-961Numerical Study of the Intake Temperature on...

Numerical Study of the Intake Temperature on Gasoline Engine

Abstract:

The optimum inlet temperature for different engine conditions was calculated based on the same knock probability with full load by CFD Fire software, and then the effects of inlet air heated on combustion,pumping loss and emissions of gasoline engine were also studied. The results showed that the highest intake temperature at intake pressure 50kPa operation can be 368K without knock, and that for 100kPa condition was 322K. Heating inlet air can enhance combustion, and the maximum combustion pressure was increased by 26.8% and IMEP by 4% at the case of 368K/50kPa condition compared with inlet pressure of 40.5kPa and temperature of 298K condition consuming same fuel. Pumping loss can also be reduced by increasing intake temperature. However, emissions of NO_X and CO were increased because of higher intake temperature.

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Periodical:

Advanced Materials Research (Volumes 960-961)

Pages:

1404-1410

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.960-961.1404

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Online since:

June 2014

Authors:

Lin Pei Han, Wei Hong, Yan Su*, Fang Xi Xie, Yun Xu

Keywords:

Combustion, Emission, Intake Temperature, Pumping Loss

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* - Corresponding Author

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