| Issue |
MATEC Web Conf.
Volume 84, 2016
International Symposium and School of Young Scientists “Interfacial Phenomena and Heat Transfer” (IPHT 2016)
|
|
|---|---|---|
| Article Number | 00007 | |
| Number of page(s) | 4 | |
| DOI | https://doi.org/10.1051/matecconf/20168400007 | |
| Published online | 16 November 2016 | |
The heat flux near the contact line of the droplets on heated foil
1 Kutateladze Institute of Thermophysics SB RAS, Novosibirsk 630090, Russia
2 Novosibirsk State University, Novosibirsk 630090, Russia
3 Sobolev Institute of Mathematics SB RAS, Novosibirsk 630090, Russia
4 Tomsk Polytechnic University, Tomsk 634050, Russia
a Corresponding author: slava.cheverda@gmail.com
The heat flux distribution near the contact lines of one or several (3) drops on a horizontal heated constantan foil is investigated. The temperature distribution of the bottom foil surface was measured by the FLIR infrared (IR) camera. To measure the heat flux distribution near the contact lines numerical solution of the Cauchy problem is used. The maximum of the heat flux density is observed near the contact line and it exceeds the average heat flux density by several times. This is due to relatively high heat conductivity coefficient of the foil material and high evaporation rate in the contact line region, so the heat flux from the foil periphery (out of the drop) is enter to the contact line region of the drop.
© The Authors, published by EDP Sciences, 2016
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