碳氢燃料自燃化学特性的实验研究  

An Experimental Investigation of the Autoignition Chemistry of Primary Reference Fuels and their Blends

作　　者：李建权[1] 王良煜[1] 尚秀镜[1] 郑进才[1] 傅茂林[1] 史绍熙[1] 

机构地区：[1]天津大学

出　　处：《燃烧科学与技术》1998年第1期31-36,共6页Journal of Combustion Science and Technology

基　　金：国家攀登计划资助

摘　　要：本文介绍了标准参考燃料（正庚烷和异辛烷）及其混合物氧化自燃化学特性的实验研究结果。作者在倒拖发动机上分别研究了进气温度、燃料辛烷值、发动机转速及压缩比对燃料氧化自燃的影响，结果表明：辛烷值提高，需要较高的进气温度才能使混合气自燃；增加压缩比，降低了自燃所需的进气温度；而发动机转速对自燃所需进气温度的影响则随所用燃料辛烷值的大小而异。This paper reports the results of an experimental investigation of the autoignition chemistry behaviors of Primary Reference Fuels (n heptane and iso octane)and their blends of different octane ratings.Experimental work was carried out on a motored engine to examine the effects of the inlet air temperature,fuel octane number,engine speed and compression ratio on the oxidation and autoignition of the fuels.The experimental results show that the larger the octane number of the fuel,the higher is the required inlet air temperature for autoignition.An increase in compression ratio reduces the inlet air temperature required for autoignition.While the effect of engine speed on the required inlet air temperature for autoignition is different for different octane numbers.

关 键 词：标准参考燃料 末端气体 自然 氧化自燃 爆震 

分 类 号：TK401[动力工程及工程热物理—动力机械及工程] TQ038.1[化学工程]