On-Road Particulate Emission Characteristics of a Diesel Vehicle with Butanol-Diesel Blends

Abstract:

To study the applicability of alternative fuels, a TSI EEPS-3090 on-board vehicle particle emission test system is used on a diesel vehicle with a inline four-cylinder, electronic unit injectors, high pressure direct injection, turbocharging, 1.9L output volume engine, to investigate the on-road particulate emission characteristic burned with pure diesel, 10% and 20% by volume of n-butanol blend with pure diesel. Comparing the emission characteristics of different fuels, the study revealed that the butanol-diesel blend have a good effect of thinning the particle size without modifying and recalibrating the engine. In different types of roads and different VSP, the PN and PM of Bu10 and Bu20 are all less than that of D100; At same working conditions with the same kind of fuels, the particle size distribution are nearly the same; Compared with D100, Bu10 and Bu20, at different working conditions ,the particle size distribution are all bimodal, but Bu10 and Bu20 trend to be unimodal; At the same working conditions, the nucleation mode PN of Bu10 and Bu20 are obviously higher than that of D100, and the accumulation mode PN of Bu10 and Bu20 are obviously lower than that of D100; The peak of accumulation mode PN of Bu10 and Bu20 trend to be at smaller particle size.

• Periodical: Applied Mechanics and Materials (Volume 420)
• Pages: 177-184
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.420.177
• Online since: September 2013
• Authors: Di Ming Lou, Liang Fang, Zhi Yuan Hu, Pi Qiang Tan
• Keywords: Butanol-Diesel Blends, On-Road Emission, Particulate Matter, PEMS

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