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Evaporation of sessile water droplets: Universal behaviour in presence of contact angle hysteresis
journal contribution
posted on 2017-07-18, 08:38 authored by Sergey Semenov, Victor Starov, Ramon Rubio, Hezekiah Agogo, M.G. VelardeA theory is presented, which describes the diffusion limited evaporation of sessile water droplets in presence of contact angle hysteresis. Theory describes two stages of evaporation process: (I) evaporation with a constant radius of the droplet base; and (II) evaporation with a constant contact angle. During stage (I) the contact angles decreases from static advancing contact angle to static receding contact angle. During stage (II) the contact angle remains equal to the static receding contact angle. Universal
dependences are deduced for both evaporation stages. Obtained universal curves are validated against available in the literature experimental data.
Funding
This research was supported by the European Union under Grant MULTIFLOW, FP7-ITN-2008-214919.
History
School
- Aeronautical, Automotive, Chemical and Materials Engineering
Department
- Chemical Engineering
Published in
Colloids and Surfaces A: Physicochemical and Engineering AspectsVolume
391Issue
1-3Pages
135 - 144Citation
SEMENOV, S. ...et al., 2011. Evaporation of sessile water droplets: Universal behaviour in presence of contact angle hysteresis. Colloids and Surfaces A: Physicochemical and Engineering Aspects, 391(1-3), pp. 135-144.Publisher
© ElsevierVersion
- VoR (Version of Record)
Publisher statement
This work is made available according to the conditions of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) licence. Full details of this licence are available at: https://creativecommons.org/licenses/by-nc-nd/4.0/Publication date
2011Notes
This paper is in closed access.ISSN
0927-7757eISSN
1873-4359Publisher version
Language
- en