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http://dx.doi.org/10.3795/KSME-B.2015.39.3.237

Study of Behavior Characteristics of Emulsified Fuels with Evaporative Field  

Yeom, Jeong Kuk (Dept. of Mechanical Engineering, Dong-A Univ.)
Yoon, Jeong Hwan (Dept. of Mechanical Engineering, Dong-A Univ.)
Publication Information
Transactions of the Korean Society of Mechanical Engineers B / v.39, no.3, 2015 , pp. 237-243 More about this Journal
Abstract
In this study, the effects of the mixing ratio of emulsified fuel on the droplet evaporation and spray behavior characteristics were analyzed. A surfactant comprising span 80 and tween 80 mixed at a 9:1 ratio was used for the emulsified fuel. The fuel and surfactant were mixed at a ratio of 3:1 for the emulsified fuel. In addition, considering the mixing ratio of the surfactant, the mixing ratio of $H_2O_2$ in the emulsified fuel was set as EF (emulsified fuel)0, EF2, EF12, EF22, EF32, and EF42. To observe the evaporation characteristics, droplets of the emulsified fuel were dropped on a heating plate and observed using scattered light and a Schlieren system. In addition, to analyze the effect of the $H_2O_2$ mixing ratio, the behavior characteristics of the evaporative free spray were investigated in the mixing ratio range of EF0 to EF22 using a constant volume chamber with heaters. Consequentially, it was found that in the case of EF22, the free spray development of the emulsified fuel was faster than that of EF0 (diesel only) because of the promotion of the evaporation due to the phase change in the peroxide contained in the emulsion fuel.
Keywords
Diesel Engine; Emulsified Fuel; Oil in Water; Spray; Water in Oil;
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Times Cited By KSCI : 5  (Citation Analysis)
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