What is it about?

The present investigation deals with the breakup characteristics in the combustion of a multi-component single droplet comprising butanol/Jet A-1, A-B-E/Jet A-1 blends, and A-B-E. The complete sequence of processes leading to micro-explosion, i.e., onset of nucleation, growth of vapor bubble, and subsequent breakup of droplet, for various fuel blends has been analyzed from the high-speed images.

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Why is it important?

Butanol is mainly produced by acetone–butanol–ethanol (A-B-E) fermentation. The higher costs associated with the separation of butanol from the A-B-E mixture has prohibited the large-scale production of butanol. The direct use of the intermediate product (A-B-E mixture) could be an economical pathway if utilized for clean combustion. This study shows that the probability of micro-explosion in droplets with A-B-E blends is higher than that of butanol blends.

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This page is a summary of: Puffing and Micro-Explosion Behavior in Combustion of Butanol/Jet A-1 and Acetone-Butanol-Ethanol (A-B-E)/Jet A-1 Fuel Droplets, Combustion Science and Technology, May 2017, Taylor & Francis,
DOI: 10.1080/00102202.2017.1333502.
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