Abstract
A free-surface synthetic Schlieren (Moisy et al. in Exp Fluids 46:1021–1036, 2009; Eddi et al. in J Fluid Mech 674:433–463, 2011) technique has been implemented in order to measure the surface topography generated by a droplet bouncing on a vibrating fluid bath. This method was used to capture the wave fields of bouncers, walkers, and walkers interacting with boundaries. These wave profiles are compared with existing theoretical models and simulations and will prove valuable in guiding their future development. Specifically, the method provides insight into what type of boundary conditions apply to the wave field when a bouncing droplet approaches a submerged obstacle.
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Damiano, A.P., Brun, PT., Harris, D.M. et al. Surface topography measurements of the bouncing droplet experiment. Exp Fluids 57, 163 (2016). https://doi.org/10.1007/s00348-016-2251-4
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DOI: https://doi.org/10.1007/s00348-016-2251-4