Microscopic spray characteristics in the effervescent atomizer with two aerator tubes |
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| Authors: | Email author" target="_blank">Hyung?Gon?KimEmail author Toshiaki?Yano Kyu?Keun?Song Torii?Shuichi |
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| Affiliation: | (1) Graduate School, Department of Mechanical Engineering, Kagoshima University, 1-21-40, Korimoto, 890-0065 Kagoshimasi, Japan;(2) Department of Mechanical Engineering, Kagoshima University, Japan;(3) RCIT, Chonbuk National University, Korea;(4) Department of Mechanical Engineering and Materials Science, Kumamoto University, Japan |
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| Abstract: | An experimental study is performed on atomization characteristics and stable operating conditions for the injection of high
viscous waste vegetable oil using an effervescent atomizer with 2 aerator tubes. Consideration is given to the effects of
ALR and liquid viscosity on the velocity and mean diameter of the injected droplet. It is found that (i) as ALR increases,
the axial velocity of the droplet is increased, while half-velocity width and SMD are decreased regardless of the change in
liquid viscosities, (ii) the rate of fine drop distribution occupied in the total spray field is increased with an increase
in ALR, and (iii) the effect of viscosity on the atomization characteristics is minor. Consequently, it is expected that the
effervescent atomizer will exhibit an excellent atomization performance at the high ALR condition, regardless of liquid viscosities. |
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| Keywords: | SMD PDPA Effervescent Atomizer ALR |
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