Emission characteristics of double swirl combustion system for a diesel engine

Liwang Su, Xiangrong Li*, Haobu Gao, Luming Zhao, Fushui Liu

*Corresponding author for this work

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Abstract

Experimental research focus on the emission characteristics of a diesel engine employed a new combustion system-double swirl combustion system (DSCS) is carried out. The influence of spray angle on diesel emission characteristics with DSCS is analyzed by experimental and numerical method. Main emissions such as particulate matters (PM) and nitrogen oxidants (NOx) are measured in diesel engine with DSCS and the original engine. Also, fuel consumption, combustion pressure, heat release rate are compared between two systems. The tests results indicate that employing DSCS can acquire a remarkable reduction of PM (within the range of 7~47%) with lowered fuel consumption (0.75~3.05%). The reason of which is accounted via analyzing the in-cylinder combustion course. Furthermore, the experimental research shows that the spray angle is a significant factor for performance of DSCS since it determined the ratio of fuel distributed between inner and outer chamber. The related particulars are analyzed by numerical method.

Original languageEnglish
Pages (from-to)1611-1616
Number of pages6
JournalEnvironmental Engineering and Management Journal
Volume15
Issue number7
DOIs
Publication statusPublished - Jul 2016

Keywords

  • DSCS
  • Diesel engine
  • Emission characteristics
  • Simulation research
  • Test research

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Su, L., Li, X., Gao, H., Zhao, L., & Liu, F. (2016). Emission characteristics of double swirl combustion system for a diesel engine. Environmental Engineering and Management Journal, 15(7), 1611-1616. https://doi.org/10.30638/eemj.2016.173