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A Study of Effects of Volatility on Butanol-Biodiesel-Diesel Spray and Combustion
Technical Paper
2011-01-1197
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Ternary blends of butanol-biodiesel-diesel with different blending ratios were tested inside a constant volume chamber under various ambient temperatures so as to investigate the spray and combustion characteristics of the fuels. Applying the high speed imaging, a sudden drop in spray penetration was observed at ambient temperature of 800 K and 900 K for fuels with certain blending ratio, but not at 1000 K and 1200 K. When the spray penetration of the butanol-biodiesel-diesel blends was compared to that of the biodiesel-diesel blends under non-combusting environment, a sudden drop in spray penetration length was also observed at 1100 K. The results indicated that for the non-combusting case, the tip of the spray jet erupted into a plume sometime after injection for the butanol-biodiesel-diesel blend at an ambient temperature of 1100 K. Such phenomenon was not seen with the biodiesel-diesel blend, neither with the same fuel but at a lower ambient temperature of 900 K. It is concluded that micro-explosion could occur under particular conditions for the butanol-biodiesel-diesel blend, which was consistent with previous theoretical study in the literature.
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Citation
Liu, Y., Cheng, W., Huo, M., Lee, C. et al., "A Study of Effects of Volatility on Butanol-Biodiesel-Diesel Spray and Combustion," SAE Technical Paper 2011-01-1197, 2011, https://doi.org/10.4271/2011-01-1197.Also In
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