吉林大学学报(工学版) ›› 2014, Vol. 44 ›› Issue (4): 985-990.doi: 10.13229/j.cnki.jdxbgxb201404013

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Characteristics of ion current signal in DI-HCCI combustion fueled with ethanol

DENG Jun1, LIU Yin-tong1, CHEN Yu-lin1, WU Zhi-jun1, LI Li-guang1, 2   

  1. 1.School of Automotive Studies, Tongji University, Shanghai 200092, China;
    2.Chinesisch-Deutsches Hochschulkolleg, Tongji University, Shanghai 200092, China
  • Received:2013-04-26 Online:2014-07-01 Published:2014-07-01

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Abstract: The characteristics of ion current signal were investigated by experiment on a Direct Injection Homogeneous Charge Compression Ignition (DI-HCCI) engine test bench fueled with ethanol. The Chemkin-Pro software was utilized to analyze the chemical reaction path of the ionization reactions in the ethanol combustion process, which could be employed to explain the phenomenon observed in experiment. Results show that, as the engine load increases, the intensity of the ion current signal is enhanced, the start phase and peak phase of the signal are advanced, the maximum rise rate of the ion current signal is raised, i.e. the ionization reaction is accelerated.

Key words: power machinery and engineering, ethanol, ion current, DI, HCCI

CLC Number: 

  • TK411
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