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ISSN Druckformat: 1044-5110
ISSN Online: 1936-2684
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EFFECT OF FLOW RATE AND ELECTRIC FIELD ON ELECTROSPRAY DIFFUSION FLAME OF ETHANOL AND BUTANOL
ABSTRAKT
Diffusion flame from electrospray of liquid ethanol and butanol is investigated experimentally. Stable flames were observed at two distinct modes recognized at different flow rates, applied voltages, and distances between the nozzle and counter electrode. The first mode occurred at minimum voltages in which individual larger droplets are dominantly generated. The second mode at higher voltages corresponds to multijets, which produce finer distribution of droplets. Using flame-imaging analysis, flammability margins are introduced and flame lengths are measured versus nondimensional parameters for both fuels and modes of spraying. The fluctuation of the flames is characterized and the frequency of the fluctuations is measured for butanol fuel and both modes of electrospray as well.
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Jowkar S., Jafari M., Morad M.R., Heat transfer characteristics of high flow rate electrospray and droplet cooling, Applied Thermal Engineering, 162, 2019. Crossref
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Chen Ningguang, Gan Yunhua, Luo Yanlai, Jiang Zhengwei, A review on the technology development and fundamental research of electrospray combustion of liquid fuel at small-scale, Fuel Processing Technology, 234, 2022. Crossref