期刊
COMBUSTION AND FLAME
卷 161, 期 10, 页码 2669-2677出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.combustflame.2014.04.009
关键词
Laminar diffusion flame; Soot formation; Liquid fuel; Molecular structure; Elevated pressure; Laser diagnostics
类别
资金
- European Graduate School on Sustainable Energy
- KIC InnoEnergy
A specially designed High Pressure Vessel and Burner and fueling system (called doped flame) are presented in this paper. This setup allows for soot measurements in laminar diffusion flames of liquid fuel blends at elevated pressure. Fuels with two typical molecular structures, namely linear and saturated cyclic hydrocarbons, are examined in both non-oxygenated (n-hexane (C6H14) and cyclohexane (C6H12)) and oxygenated form (1-hexanol (C6H14O) and cyclohexanol (C6H12O)). All compounds are blended into n-heptane. Focus of the research is on soot volume fraction at elevated pressure in the range of 1.5-2.0 bar. Sooting tendency is evaluated by means of Laser Induced Incandescence (LII) with Line of Sight Attenuation calibration (LOSA), and the data suggests that soot is more prevalent for cyclic structures relative to their linear counterparts. (C) 2014 The Combustion Institute. Published by Elsevier Inc. All rights reserved.
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