| Issue |
MATEC Web of Conferences
Volume 19, 2014
The 2nd International Youth Forum “Smart Grids”
|
|
|---|---|---|
| Article Number | 01001 | |
| Number of page(s) | 4 | |
| DOI | https://doi.org/10.1051/matecconf/20141901001 | |
| Published online | 15 December 2014 | |
Effect of surface temperature on spreading rate of liquid droplet
National Research Tomsk Polytechnic University, 634050 Tomsk, Russia
a Corresponding author: bka1801@mail.ru
Experimental investigation of spreading rate variation of liquid droplet under the conditions of its free-falling on a heated surface has been executed. Effect of surface temperature of flexible copper substrate on spreading rate variation of liquid droplet under the conditions of its free-falling has been studied. It has been found that the curve of liquid drop spreading rate changes exponentially. The spreading rate after time point of 0,002s assumes constant values V = 0.3 ÷ 0.5 m/s and does not depend on the surface temperature. Also it has been found that liquid drop spreading rate does not depend on the surface temperature at temperatures up to 108°С. Continued heating results in an increased liquid drop spreading rate and reaches a maximum values at temperature of 140°C. By heating the surface over 140°C the decreasing of spreading rate is occurred.
© Owned by the authors, published by EDP Sciences, 2014
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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