EPJ Web of Conferences
Volume 92, 2015EFM14 – Experimental Fluid Mechanics 2014
|Number of page(s)||4|
|Published online||06 May 2015|
Some notes on surface tension measurements of supercooled water
1 University of West Bohemia in Pilsen, Faculty of Mechanical Engineering, Czech Republic
2 University of South Bohemia in České Budějovice, Faculty of Science, Czech Republic
a Corresponding author: firstname.lastname@example.org
Published online: 6 May 2015
The number of methods for the surface tension measurement of liquid in the super cooled state is limited. The capillary elevation method operates with a very small volume of liquid, which enables to measure below the freezing point. The height of the water column in the capillary is growing when the temperature is decreasing. In order to increase the precision of measurement, it is necessary to use a capillary of a very small inner diameter. But the smaller the diameter is, the longer time to reach the steady (stabilized) state of the liquid column in the capillary is necessary. This paper brings a theoretical approach to the velocity of motion of the liquid column in the capillary to the stable position in dependence on the capillary inner diameter. Theoretical results are compared with experimental data with water.
© Owned by the authors, published by EDP Sciences, 2015
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