An experimental and modeling study of autoignition characteristics of butanol/diesel blends over wide temperature ranges
作者： Yue Qiu , Wei Zhou , Yuan Feng , Sixu Wang , Liang Yu
DOI: 10.1016/J.COMBUSTFLAME.2020.03.031
关键词:
摘要: Abstract Butanol/diesel blend is considered as a very promising alternative fuel with agreeable combustion and emission performance in engines. This paper intends to further investigate its autoignition characteristics the combination of heated rapid compression machine (RCM) Shock Tube (ST) acquire wide temperature region view. The ignition delay times (IDTs) mixtures 20% blending (by vol.) n-butanol China Stage-VI diesel, referred N20, were studied under pressures 6/10/15 bar, equivalence ratios 0.5–2.0, broad range 670–1300 K. Typical two-stage NTC behavior identified, IDT dependences on compressed pressure, fuel/oxygen fraction, ratio explained thoroughly quantitively correlation formulas. Furthermore, this expands study effects butanol structures. Autoignition Vol.) each four isomers neat diesel investigated experimentally numerically. CRECK model was validated against experimental results critical reactions controlling identified for optimization.
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