Uphill airflow transport of drops on superhydrophobic inclines

Journal article

Chung, Dwayne Kim Chung, Katariya, Mayur, Huynh, So Hung, Cheong, Brandon Huey-Ping, Liew, Oi Wah, Muradoglu, Murat and Ng, Tuck Wah. (2015). Uphill airflow transport of drops on superhydrophobic inclines. Colloid and Interface Science Communication. 6, pp. 1 - 4. https://doi.org/10.1016/j.colcom.2015.06.001
AuthorsChung, Dwayne Kim Chung, Katariya, Mayur, Huynh, So Hung, Cheong, Brandon Huey-Ping, Liew, Oi Wah, Muradoglu, Murat and Ng, Tuck Wah
Abstract

The ability of uphill droplet transport on a superhydrophobic surface incline using airflow was demonstrated. Analytical equations were found to describe the droplet volume at detachment at various inclination angles for the range of physical parameters applied. A pinching off behavior with necking prior to detachment was observed in which a constant time to rupture of 3.2 × 10− 2 s from a neck thickness of 1 × 10− 3 m was found regardless of the inclination angle used. The approach provided rapid uphill translation of 33 droplets per second and incurs limited aerosolization due to the small forces in action.

Keywordssuperhydrophobic; droplet; liquid bridge; airflow; pinching
Year2015
JournalColloid and Interface Science Communication
Journal citation6, pp. 1 - 4
PublisherElsevier
ISSN2215-0382
Digital Object Identifier (DOI)https://doi.org/10.1016/j.colcom.2015.06.001
Scopus EID2-s2.0-84938677826
Open accessOpen access
Page range1 - 4
Research GroupSchool of Behavioural and Health Sciences
Publisher's version
Grant IDARC/DP120100583
Place of publicationNetherlands
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