Criteria for antibubble formation from drop pairs impinging on a free surface
Name
PhysRevFluids.5.123601.pdf
Description
Published version
Size
1.35 MB
Format
Unknown
Checksum (MD5)
891c4d2fdd3b57c91f84afdded78a8e1
Author(s)
Song, Youngsup
Zhang, Lenan
Wang, Evelyn N
Date Issued
December 2020
Journal
Physical Review Fluids
Publisher
American Physical Society (APS)
Citation
Song, Youngsup, Zhang, Lenan and Wang, Evelyn N. 2020. "Criteria for antibubble formation from drop pairs impinging on a free surface." Physical Review Fluids, 5 (12).
Version
Final published version
Abstract
© 2020 American Physical Society. Antibubbles are fluid entities with the inverse phase of regular bubbles. While the structure and stability of antibubbles have been studied, a fundamental understanding of antibubble formation remains limited. We report a theoretical and experimental study of antibubble formation. In the experiment, pairs of surfactant-laden water drops impinged successively on the surface of the same liquid reservoir to create antibubbles. We propose four criteria for antibubble formation from a scaling analysis. Two dimensionless groups prescribe the likelihood of antibubble formation, the summative Weber number and the ratio of timescales between the capillarity driven pinch-off and the viscous drainage of air.
MIT Department
Massachusetts Institute of Technology. Department of Mechanical Engineering
Terms of Use
Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
Persistent DSpace Link
DOI of Published Version
https://doi.org/10.1103/PHYSREVFLUIDS.5.123601
