Journal
JOURNAL OF THE ENERGY INSTITUTE
Volume 92, Issue 1, Pages 94-107Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.joei.2017.11.002
Keywords
n-butanol; n-pentanol; Diesel; Macroscopic spray characteristics; Blended fuel
Categories
Funding
- National Natural Science Foundation of China [51376171]
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This study aims at study effects of blending long-chain alcohol (n-butanol or n-pentanol) with diesel on the spray characteristics and compare the differences of those spray characteristics between n-butanoldiesel blends and n-pentanol-diesel blends. Results showed that with the addition of long-chain alcohols, the spray tip penetration decreased, the spray cone angle increased and the spray area increased, while with the increasing proportions of long-chain alcohols in blended fuels, the spray area decreased whereas the peak tip velocity increased. Under the same blended ratios, n-butanol-diesel blends showed longer tip penetration, larger cone angle, larger spray area and lower peak tip velocity compared to npentanol-diesel blends in the same injection conditions. Furthermore, from the comparison between spray morphology of each tested fuel with each other, it can be inferred that n-butanol-diesel blends have largest spray areas and thinnest spray boundaries, followed by n-pentanol-diesel blends and then pure diesel fuel. (C) 2017 Energy Institute. Published by Elsevier Ltd. All rights reserved.
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