Droplet Impacts upon Liquid Surfaces

The absorption and rebounding of single droplets and streams of droplets (of diameter less than 1200 micrometers) impacting upon the surface of a deep liquid have been examined experimentally. Conservation of mechanical energy and momentum have been used to explain rebounding droplet interactions, a...

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Bibliographic Details
Published in:Science (American Association for the Advancement of Science) 1984-11, Vol.226 (4674), p.535-537
Main Authors: Ching, Bruce, Golay, Michael W., Johnson, Thomas J.
Format: Article
Language:English
Subjects:
Energy
Exact sciences and technology
Fluid dynamics
Fundamental areas of phenomenology (including applications)
Impact craters
Interfacial tension
Kinetics
Liquid surfaces
Liquids
Momentum
Nonhomogeneous flows
Physics
Resonance
Trajectories
Velocity
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Summary:The absorption and rebounding of single droplets and streams of droplets (of diameter less than 1200 micrometers) impacting upon the surface of a deep liquid have been examined experimentally. Conservation of mechanical energy and momentum have been used to explain rebounding droplet interactions, and impaction criteria have been established regarding the absorption of droplet streams. Surface tension is the dominant mechanism governing the observed behavior. Single droplets were never observed to rebound.
ISSN:0036-8075
1095-9203
DOI:10.1126/science.226.4674.535