| Issue |
EPJ Web Conf.
Volume 196, 2019
XV All-Russian School-Conference of Young Scientists with International Participation “Actual Problems of Thermal Physics and Physical Hydrodynamics”
|
|
|---|---|---|
| Article Number | 00040 | |
| Number of page(s) | 5 | |
| DOI | https://doi.org/10.1051/epjconf/201919600040 | |
| Published online | 14 January 2019 | |
https://doi.org/10.1051/epjconf/201919600040
Effect of Temperature and Wettability of the Substrate with Nanotubes Coating on the Evaporation of Water Droplets
1 Kutateladze Institute of Thermophysics, 630090, Lavrentiev ave. 1, Novosibirsk, Russia
2 Novosibirsk State University, 630090, Pirogova str. 2, Novosibirsk, Russia
* Corresponding author: semenov.itp@gmail.com
Published online: 14 January 2019
The paper presents an experimental study of evaporation of a millimeter-sized sessile water droplet into open atmosphere in a wide range of the temperature difference (from 0 to 76 K) between the solid substrate and the atmosphere. Two copper substrates were used in the experiments. One of them was polished to the root mean square roughness of about 20 nm. Another one was coated with a micrometer-thick film of single-walled carbon nanotubes. With the help of precise drop shape analysis system, the mode of droplet evaporation with pinned contact line was studied. No appreciable difference was detected in evaporation droplet dynamics between the two substrates for the substrate temperatures from 24 to 100 °C.
© The Authors, published by EDP Sciences, 2019
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