Surface topography measurements of the bouncing droplet experiment

被引：0
作者：
Adam P. Damiano
P.-T. Brun
Daniel M. Harris
Carlos A. Galeano-Rios
John W. M. Bush
机构：
[1] MIT,Department of Mathematical Sciences
[2] IMPA/National Institute of Pure and Applied Mathematics,undefined
[3] University of Bath,undefined
来源：
Experiments in Fluids | 2016年 / 57卷
关键词：
Wave Field; Digital Image Correlation; Background Image; Wave Profile; Fluid Interface;
D O I：
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摘要：
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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