Experimental studies of autoignition and soot formation of diesel surrogate fuels

被引:11
|
作者
Diez, Alvaro [1 ,2 ]
Crookes, Roy J. [1 ]
Lovas, Terese [1 ,3 ]
机构
[1] Queen Mary Univ London, London, England
[2] IYTE Izmir Inst Technol, TR-35430 Urla Izmir, Turkey
[3] Norwegian Univ Sci & Technol, N-7034 Trondheim, Norway
基金
英国工程与自然科学研究理事会;
关键词
Autoignition; soot formation; heptane; toluene; surrogate; diesel; SHOCK-TUBE PYROLYSIS; ISO-OCTANE/AIR; AUTO-IGNITION; N-HEPTANE; MIXTURES; TOLUENE; PRESSURES; ENGINE;
D O I
10.1177/0954407012458402
中图分类号
TH [机械、仪表工业];
学科分类号
0802 ;
摘要
Computational simulation has undergone vast development for internal-combustion engine research as a time- and cost-saving tool. Yet combustion simulation for conventional hydrocarbon petroleum fuels faces difficult challenges since such fuels have very complex compositions, consisting of many different molecular species, for which data are sparse. The use of surrogate fuels for combustion simulation could provide a solution to this problem. In this investigation, n-heptane and mixtures of n-heptane and toluene were studied within a broad range of potential surrogate diesel fuels, and the ignition delay and soot formation trends were compared with those of diesel fuel. Ignition delays show good agreement with those for diesel fuel and it was also possible to replicate partially the soot formation behaviour for certain engine conditions. Further investigation is needed to find a surrogate fuel that closely matches over the range of operating conditions of a diesel engine.
引用
收藏
页码:656 / 664
页数:9
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