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汽车安全与节能学报

Journal of Automotive Safety and Energy ›› 2011, Vol. 2 ›› Issue (4): 330-337.DOI: 10.3969/j.issn.1674-8484.2011.04.007

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Combustion and emission characteristics of low octane number gasoline with partially diffused compression ignition

YANG Hongqiang1, SHUAI Shijin1, FU Haichao1, WANG Zhi1, WANG Jianxin1, ZHOU Xiangjin2   

  1. 1. State Key Laboratory of Automotive Safety and Energy, Tsinghua University, Beijing 100084, China;
    2. China Petroleum and Chemical Corporation, Beijing 100728, China
  • Received:2011-10-15 Online:2011-12-26 Published:2011-12-26
  • Contact: 帅石金（1965—），教授。E-mail: sjshuai@tsinghua.edu.cn E-mail:sdjxyhq@163.com
  • About author:杨洪强（1986—），男（汉），山东，博士研究生。E-mail: sdjxyhq@163.com
  • Supported by:

    国家自然科学基金重点项目（51036004）

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Abstract:

Partially diffused compression ignition mode was combined with low octane number gasoline to
meet the more strict emission and fuel economy standards in future, as well as to lower costs. Experimental
comparison was carried out based on a two-cylinder diesel engine fueled with low octane number gasoline and
conventional diesel fuel, respectively. Normal 0# diesel and gasoline with research octane number (RON) of 46
and 56 were tested. Smoke numbers were measured by FBY-2 Bosch smoke meter, and the gaseous emissions
were measured using AVL SESAM 4.0 multi-gas analyzer. Performance of fuel economy, soot emission and
gaseous pollutants were compared and analyzed to show that the fuel consumption is even lower than that
of diesel when burning low octane number gasoline due to a rapid combustion of the gasoline with the smoke
markedly reduced, especially under high load and high speed conditions; however, the total hydrocarbon (THC)
emission is higher than that of burning conventional diesel fuel.

Key words: combustion, gaseous emissions, partially diffused compression ignition, low octane number gasoline

CLC Number: