Journal
ENERGIES
Volume 13, Issue 18, Pages -Publisher
MDPI
DOI: 10.3390/en13184819
Keywords
fuel blending; spray cone angle; spray tip penetration; shadowgraph; long distance microscopy; atomization
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Funding
- Shipbuilding and Offshore Industry Core Technology Development Business by the Ministry of Trade, Industry and Energy(MOTIE, Korea) [20013146]
- Korea Evaluation Institute of Industrial Technology (KEIT) [20013146] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- National Research Foundation of Korea [22A20130011018] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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This study investigated gasoline-biodiesel blended fuel (GB) subjected to a fuel spray development process on macroscopic and microscopic scales. The four tested fuels were neat gasoline and gasoline containing biodiesel (5%, 20%, and 40% by volume) at three different ratios. The initial spray near the nozzle revealed that the spray penetration and spray tip velocity both decreased with decreasing biodiesel blending ratio. In addition, the different spray tip velocities at the start of spraying result in different atomization regimes between the fuels. The GB fuels with a low biodiesel blending ratio were disadvantaged in terms of spray atomization due to their lower spray penetration and tip velocity. The macroscopic spray penetration changes were similar to those observed in the microscopic spray. The fuel with the lower biodiesel blending ratio had a larger spray cone angle, indicating increased radial spray dispersion.
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