E3S Web Conf.
Volume 321, 2021XIII International Conference on Computational Heat, Mass and Momentum Transfer (ICCHMT 2021)
|Number of page(s)||11|
|Published online||11 November 2021|
Experimental study on the evaporating progress of hexane lens on immiscible liquid：Spreading and receding
Tianjin Key Laboratory of Refrigeration Technology, Tianjin University of Commerce, Tianjin, 300134, China
2 International Centre in Fundamental and Engineering Thermophysics, Tianjin University of Commerce, Tianjin, 300134, China
3 LMT/ENS-Cachan/CNRS, Paris-Saclay University, 61 Avenue du Président Wilson, 94235 France, China
* Corresponding author: email@example.com Tel：+86 189 2019 7448
The change of evaporation liquid on another immiscible liquid has important guiding significance for many applications. In this experiment, the geometric temperature distribution and evaporation rate of n-hexane droplets were observed and recorded by changing the temperature of deionized water. The results show that with the increase of temperature of deionized water-based solution, the maximum diameter of n-hexane droplet spreading after titration increases gradually, while the minimum diameter of n-hexane droplet disappearing decreases gradually. Meanwhile, the evaporation rate of n-hexane droplet is constant during the whole evaporation process. It should also be mentioned that if the base solution is changed from deionized water to a certain concentration of salt solution, the maximum diameter of n-hexane droplet spreading will be reduced, and the evaporation intensity will be relatively reduced. These experimental results will give us a better understanding of the mechanism and characteristics of droplet evaporation.
Key words: Water / Temperature / Hexane / Lens / Evaporating progress / Surface tension
© The Authors, published by EDP Sciences, 2021
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