Acoustic Measurement of Surface Wave Damping by a Meniscus
Résumé
We investigate the reflection of gravity-capillary surface waves by a plane vertical barrier. The size of the meniscus is found to strongly affect reflection: the energy of the reflected wave with a pinned contact line is around twice the one corresponding to a fully developed meniscus. To perform these measurements, a new experimental setup similar to an acousto-optic modulator is developed and offers a simple way to measure the amplitude, frequency and direction of propagation of surface waves.
Domaines
Physique [physics]| Origine | Fichiers produits par l'(les) auteur(s) |
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