MATEC Web of Conferences
Volume 19, 2014The 2nd International Youth Forum “Smart Grids”
|Number of page(s)||4|
|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: firstname.lastname@example.org
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
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