Evaporation of ethanol-water binary mixture sessile liquid marbles

Ooi, Chin Hong, Bormashenko, Edward, Nguyen, Anh V., Evans, Geoffrey M., Dao, Dzung V. and Nam-Trung Nguyen (2016) Evaporation of ethanol-water binary mixture sessile liquid marbles. Langmuir, 32 24: 6097-6104. doi:10.1021/acs.langmuir.6b01272


Author Ooi, Chin Hong
Bormashenko, Edward
Nguyen, Anh V.
Evans, Geoffrey M.
Dao, Dzung V.
Nam-Trung Nguyen
Title Evaporation of ethanol-water binary mixture sessile liquid marbles
Journal name Langmuir   Check publisher's open access policy
ISSN 1520-5827
0743-7463
Publication date 2016-06-21
Year available 2016
Sub-type Article (original research)
DOI 10.1021/acs.langmuir.6b01272
Open Access Status Not yet assessed
Volume 32
Issue 24
Start page 6097
End page 6104
Total pages 8
Place of publication Washington, DC, United States
Publisher American Chemical Society
Collection year 2017
Language eng
Abstract Liquid marble is a liquid droplet coated with particles. Recently, the evaporation process of a sessile liquid marble using geometric measurements has attracted great attention from the research community. However, the lack of gravimetric measurement limits further insights into the physical changes of a liquid marble during the evaporation process. Moreover, the evaporation process of a marble containing a liquid binary mixture has not been reported before. The present paper investigates the effective density and the effective surface tension of an evaporating liquid marble that contains aqueous ethanol at relatively low concentrations. The effective density of an evaporating liquid marble is determined from the concurrent measurement of instantaneous mass and volume. Density measurements combined with surface profile fitting provide the effective surface tension of the marble. We found that the density and surface tension of an evaporating marble are significantly affected by the particle coating.
Keyword Liquid marble
Evaporation process
Sessile liquid marble
Geometric measurements
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Chemical Engineering Publications
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