1. Study on the Combustion Characteristics of Ethanol Nanofuel
- Author
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Kwanyoung Noh, Hyemin Kim, Siwook Nam, and Soonho Song
- Subjects
nanofuel ,droplet ,combustion ,aluminum particles ,nickel coating ,burning rate ,Motor vehicles. Aeronautics. Astronautics ,TL1-4050 - Abstract
This study investigates the thermophysical and combustion characteristics of ethanol-based nanofuels incorporating aluminum (Al) and nickel-coated aluminum (Ni-Al). The nanofuels are prepared with varying concentrations of Al and Ni-Al nanoparticles. The results reveal that, despite the non-uniform deposition of nickel on Al particles, a sintering reaction occurs between the two materials. Nanofuels containing Al exhibit unburned Al residues after combustion, while nanofuels containing Ni-Al show intense AlO radical emission during combustion termination, indicating enhanced combustion. However, nanofuels containing Ni-Al demonstrate a lower burning rate compared to Al nanofuels, attributed to the lower thermal conductivity of nickel. Overall, the findings suggest that nanofuels containing Ni-Al possess higher energy potential but extended combustion duration.
- Published
- 2023
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