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http://dx.doi.org/10.7467/KSAE.2014.22.3.105

Spray and Flame Characteristics of Waste Cooking Oil Biodiesel and Diesel in a Compression Ignition Diesel Engine Using In-cylinder Visualization  

Hwang, Joonsik (Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology)
Bae, Choongsik (Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology)
Publication Information
Transactions of the Korean Society of Automotive Engineers / v.22, no.3, 2014 , pp. 105-113 More about this Journal
Abstract
Spray and combustion process with waste cooking oil (WCO) biodiesel and commercial diesel were analyzed in an optically-accessible single-cylinder compression ignition diesel engine equipped with a high pressure common-rail injection system. Direct imaging method was applied to investigate spray and combustion characteristics. From the mie-scattering results, it was verified that WCO biodiesel had a longer injection delay compared to diesel. Spray tip penetration length of WCO biodiesel was longer and spray angle was narrower than those of diesel due to poor atomization characteristics. In terms of combustion, WCO biodiesel showed later start of combustion, while flame was vanished more rapidly. Analysis of flame luminosity showed that WCO biodiesel combustion had lower intensity and lasted for shorter duration.
Keywords
Waste cooking oil; Biodiesel; Emission; Spray; Combustion; In-cylinder visualization;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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