| Issue |
MATEC Web Conf.
Volume 84, 2016
International Symposium and School of Young Scientists “Interfacial Phenomena and Heat Transfer” (IPHT 2016)
|
|
|---|---|---|
| Article Number | 00024 | |
| Number of page(s) | 5 | |
| DOI | https://doi.org/10.1051/matecconf/20168400024 | |
| Published online | 16 November 2016 | |
Criterion for dry spot development in isothermal liquid film on a horizontal substrate
1 Kutateladze Institute of Thermophysics SB RAS, Novosibirsk, Russia
2 National Research Tomsk Polytechnic University, Tomsk, Russia
The paper proposes the criterion for development of dry spots in isothermal liquid films on a horizontal substrate and the formulas for gravity and surface tension forces applied at a given contact angle in the plane of the substrate on the liquid rim element surrounding a dry spot. The balance of these forces determines further pattern of initial small dry spot – whether it will disappear or develop into a large spot.
© The Authors, published by EDP Sciences, 2016
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