Effect of the Heat Flux Density on the Evaporation Rate of a Distilled Water Drop

  • Ponomarev K
  • Orlova E
  • Feoktistov D
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Abstract

© Owned by the authors, published by EDP Sciences, 2016. This paper presents the experimental dependence of the evaporation rate of a nondeaerated distilled water drop from the heat flux density on the surfaces of non-ferrous metals (copper and brass). A drop was placed on a heated substrate by electronic dosing device. To obtain drop profile we use a shadow optical system; drop symmetry was controlled by a high-speed video camera. It was found that the evaporation rate of a drop on a copper substrate is greater than on a brass. The evaporation rate increases intensively with raising volume of a drop. Calculated values of the heat flux density and the corresponding evaporation rates are presented in this work. The evaporation rate is found to increase intensively on the brass substrate with raising the heat flux density.

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Ponomarev, K., Orlova, E., & Feoktistov, D. (2016). Effect of the Heat Flux Density on the Evaporation Rate of a Distilled Water Drop. EPJ Web of Conferences, 110, 01060. https://doi.org/10.1051/epjconf/201611001060

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