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http://dx.doi.org/10.3795/KSME-B.2012.36.7.745

Basic Study on Spray Behavior for Application of Biofuel to Diesel Engines (Palm Oil-Considering Viscosity)  

Yeom, Jeong-Kuk (Dept. of Mechanical Engineering, Dong-A Univ.)
Ha, Hyung-Soo (Dept. of Mechanical Engineering, Dong-A Univ.)
Publication Information
Transactions of the Korean Society of Mechanical Engineers B / v.36, no.7, 2012 , pp. 745-752 More about this Journal
Abstract
Diesel engines are most suitable for biodiesel fuel because diesel fuel has a higher cetane number compared to gasoline and diesel engines have no spark ignition system; hence, engine conversion is easy and cost effective. For these reasons, in this study, the spray behavior characteristics of vegetable palm oil were analyzed by using a common-rail injection system of a commercial diesel engine, and the results were compared with those obtained for the diesel fuel. The injection pressures and blend ratios of palm oil and diesel fuel (BD3, BD5, BD20, BD30, BD50, and BD100) were the main parameters. The experiments were conducted for different injection pressures-500 bar, 1000 bar, 1500 bar, and 1600 bar-by setting the injection duration at $500{\mu}s$. We determined there is no significant difference in the macro characteristics of the spray behavior (spray penetration and spray angle) in response to any change in the blend ratio of palm oil and diesel fuel at a fixed injection pressure. In particular, all experiments showed a spray angle of approximately $15^{\circ}$.
Keywords
Biodiesel; Engine; Palm Oil; Spray; Viscosity;
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Times Cited By KSCI : 3  (Citation Analysis)
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