| Issue |
EPL
Volume 83, Number 3, August 2008
|
|
|---|---|---|
| Article Number | 34002 | |
| Number of page(s) | 6 | |
| Section | Electromagnetism, Optics, Acoustics, Heat Transfer, Classical Mechanics, and Fluid Dynamics | |
| DOI | https://doi.org/10.1209/0295-5075/83/34002 | |
| Published online | 18 July 2008 | |
Deformation of acoustically transparent fluid interfaces by the acoustic radiation pressure
1
Centre de Physique Moléculaire Optique et Hertzienne, UMR CNRS 5798, Université Bordeaux I 351 cours de la Libération, 33405 Talence Cedex, France, EU
2
Centre de Recherche Paul Pascal, UPR CNRS 8641 - Avenue Schweitzer, 33600 Pessac, France, EU
Corresponding author: r.wunenburger@cpmoh.u-bordeaux1.fr
Received:
26
March
2008
Accepted:
13
June
2008
We experimentally study the deformations of liquid-liquid interfaces induced by a high-intensity focused ultrasonic beam. We quantitatively verify that small-amplitude deformations of a transparent chloroform-water interface are well described by the theory of Langevin acoustic radiation pressure, in both static and dynamic regimes. The large-amplitude deformations depend on the direction of propagation of the beam and are qualitatively similar to those induced by electromagnetic radiation pressure.
PACS: 43.25.+y – Nonlinear acoustics / 47.35.Pq – Capillary waves / 47.20.Ma – Interfacial instabilities (e.g., Rayleigh-Taylor)
© EPLA, 2008
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