MATEC Web Conf.
Volume 92, 2017Thermophysical Basis of Energy Technologies (TBET-2016)
|Number of page(s)||5|
|Published online||21 December 2016|
Use of levitating liquid micro-droplets as tracers to study the evaporation in the vicinity of the contact line
1 Institute of Thermophysics, 630090 Novosibirsk, Russia
2 National Research Tomsk Polytechnic University, 634050 Tomsk, Russia
3 Novosibirsk State University, 630090 Novosibirsk, Russia
* Corresponding author: firstname.lastname@example.org
Self-organization of a cloud of liquid micro-droplets into an ordered two-dimensional array, levitating over a heated layer of liquid due to upward vapor flow, has been observed in several recent experimental works. In the present paper, the levitating micro-droplet array is studied under the condition when the liquid layer ruptures and a dry spot form on the heater. It has been found, that when the levitating micro-droplets are moving from wetted heater area to dry heater area and passing over the contact line, the micro-droplets levitation height is drastically increased, which is indicative of the intensive evaporation occurring in the region of the contact line.
© The Authors, published by EDP Sciences, 2017
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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