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http://dx.doi.org/10.15435/JILASSKR.2018.23.2.90

Autoignition Phenomena of a Single Diesel/1-Butanol Mixture Droplet  

Kim, Hyemin (한국교통대학교 (항공기계설계전공))
Publication Information
Journal of ILASS-Korea / v.23, no.2, 2018 , pp. 90-95 More about this Journal
Abstract
The goal of this study is to experimentally observe the autoignition phenomena of a diesel/1-butanol mixture droplet in ambient pressure and $700^{\circ}C$ condition. A volume ratio of 1-butanol in the fuel was set to 25, 50 and 75%. A single droplet was installed at the tip of fine thermocouple, and the electric furnace dropped down to make elevated temperature condition. Droplet behavior during the experiment could be divided into 3 stages including droplet heating, puffing and autoignition/combustion. Puffing process intensively observed for the case of 1-butanol volume ratio of 25 and 50%, but did not occur at 75%. Increase of 1-butanol volume ratio hindered rise of the droplet temperature and delayed ignition. In addition, puffing process also affected on autoignition, so the ignition delay of 1-butanol volume ratio of 50% was became longer than that of 75% case.
Keywords
Diesel; 1-Butanol; Droplet; Autoignition; Ignition delay;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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