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http://dx.doi.org/10.15435/JILASSKR.2020.25.2.68

Experimental Study on Film Boiling of Liquid Droplets on Oxidized Copper Surface  

Kim, Yeung Chan (안동대학교 기계자동차공학과)
Publication Information
Journal of ILASS-Korea / v.25, no.2, 2020 , pp. 68-73 More about this Journal
Abstract
In the present study, experiments on the film boiling of liquid droplets on oxidized copper surface was conducted. The shape of pure water droplets was observed, and the evaporation rate of them was measured during the film boiling evaporation process. The droplet of initial volume 16 ~ 30 µl was applied onto the oxidized copper surface heated up to 300 ~ 500℃, then the shape of the droplet was analyzed during the film boiling evaporation. Experimental results showed that there was good correlation between dimensionless volume and dimensionless time. However, a significant difference in evaporation rate for small and large droplets discussed in previous study was not found.
Keywords
Liquid droplet; Film boiling; Evaporation; Heat transfer; Leidenfrost temperature;
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