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A novel multiple drop levitator for the study of drop arrays
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Deformation and location of an acoustically levitated liquid drop
A theoretical method to determine the location and static deformation of an acoustically levitated liquid drop in air is presented. The interaction between drop and sound field, involving…
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Numerical simulation of superoscillations of a Triton-bearing drop in microgravity
Large-amplitude nonlinear oscillations of an axially symmetric water drop of volume 7.33 cm3, initial aspect ratio 3.4, with surfactant Triton X-100 of 1.4×10−4 g ml−1 (1 CMC), in microgravity are…
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A new method for measuring liquid surface tension with acoustic levitation
A new method utilizing an acoustic levitation technique is introduced to measure liquid surface tension. During the measurement a small drop of test liquid is acoustically levitated in air, and its…
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Free Oscillations and Surfactant Studies of Superdeformed Drops in Microgravity
An unprecedented microgravity observation of maximal shape oscillations of a surfactant-bearing water drop the size of a ping-pong ball was observed during a mission of Space Shuttle Columbia. The…
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Investigations of liquid surface rheology of surfactant solutions by droplet shape oscillations: Theory
A theoretical analysis is presented for the shape oscillations of drops suspended in air. For drops of surfactant solution, the oscillation frequency is basically determined by the surface tension;…
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Direct observation of microbubble oscillations
The study of microbubble oscillations is important for the understanding of sonoluminescence phenomena. Bubble dynamic behavior is conventionally detected with light scattering techniques. This…
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STUDIES OF ACOUSTO-ELECTRICALLY LEVITATED DROP AND PARTICLE CLUSTERS AND ARRAYS
Research into the behavior of clusters and arrays of fluid or solid particles is made possible by acousto-electric levitation in air and charging of “seed” droplets (10–30 μm in diameter) which come…
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Absorption of sound in water fog composed of submicron droplets
A previous review [J. Acoust. Soc. Am. 70, 1213–1219 (1981)] emphasized sound absorption in water fog of droplets within sizes near 10 μ. This supplemental article presents results for the core where…
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The Study of Evaporation of Multicomponent Drops Using an Acousto-Electric Levibtor
me evaporation of isolated drops and drop arrays of multicomponent liquid is investigated using a novel acousto-electric levitator. By simultaneous levitation and charging of the drops, we can form…
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