Wed April 5th 2017
16:00 – 17:00
ZH286
Journal Club There’s something creeping under your impacting droplet you should know about
Kirsten Harth

Details:

When a drop of liquid plummets onto a surface, the result is a splash — but not it seems if the process occurs at reduced atmospheric pressure. That fell as a bomb to the fluids community back in 2005 [Xu, Zhang, and Nagel, PRL (2005)] and it took a few years until more experiments confirmed their results and a recent paper from 2014 [Riboux & Gordillo, PRL (2014)] finally gave the theoretical background behind the mechanisms of splashing. But the surprises about drop splashes are not yet over. In 2015 Liaua et al. [Liua, Tan and Xua, PNAS (2015)] proposed an alternative mechanism for splash involving Kevin-Helmholtz instabilities (the ones that you would typically observe, for example, in the atmosphere) under the impacting droplet. Controversy mode is on.
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The 10th Complex Motion in Fluids 2020
Max Planck Gesellschaft
MCEC
Twente
Centre for Scientific Computing
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