Fuel Qualities of Different Biodiesels in the Gun Type Burner
2008
Kim, Y.J. (National Institute of Agricultural Engineering, RDA, Suwon, Republic of Korea), E-mail: [email protected] | Kang, Y.K. (National Institute of Agricultural Engineering, RDA, Suwon, Republic of Korea) | Kang, K.C. (National Horticultural Research Institute, RDA, Suwon, Republic of Korea) | Ryou, Y.S. (National Institute of Agricultural Engineering, RDA, Suwon, Republic of Korea)
In this study, fuel qualities including kinematic viscosity and pour point in the various temperature, calorific value and combustion characteristics of two biodiesels based on the soybean and waste oil blended with light oil were investigated and discussed in order to figure out to confirm fuel compatibility taking the place of light oil in the hot air heater or boiler. As biodiesel content ratio increased calorific value of biodiesel decreased, and the difference was 13% between 100%-biodiesel and light oil. In general, pour points of the biodiesels were higher than light oil, and as biodiesel content ratio increased pour point increased. About 15 cSt was the pour point of biodiesels and light oil, which occurred at 3 to 4℃ in the biodiesels and -25℃ in the light oil. Flame dimensions of biodiesels and light oil were almost same at the same combustion condition in the burner of the hot air heater. CO concentrations in the exhaustion gas were far lower than those of the light oil. Though pour point of biodiesel is a little inferior to light oil, still biodiesel can be an alternative fuel substituting for light oil in combustion system without much modifying the current oil combustion mechanism.
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