MATEC Web Conf.
Volume 72, 2016Heat and Mass Transfer in the System of Thermal Modes of Energy – Technical and Technological Equipment (HMTTSC-2016)
|Number of page(s)||5|
|Published online||09 August 2016|
Levitation of Liquid Microdroplets Above A Solid Surface Subcooled to the Leidenfrost Temperature
1 Kutateladze Institute of Thermophysics SB RAS, 630090 Novosibirsk, Russia
2 Novosibirsk State University, 630090 Novosibirsk, Russia
3 National Research Tomsk Polytechnic University, 634050 Tomsk, Russia
* Corresponding author: firstname.lastname@example.org
Evaporation of liquid microdroplets that fall on a solid surface with the temperature of below the Leidenfrost temperature is studied. It has been found out that sufficiently small liquid droplets of about 10 microns can suspend at some distance from the surface (levitate) and do not reach the surface; at that, the rate of droplet evaporation is reduced by an order as compared to microdroplets, which touch the surface. It is determined that in contrast to microdroplets, which touch the surface, the specific evaporation rate of levitating droplets is constant in time.
© The Authors, published by EDP Sciences, 2016
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