NSTI Nanotech 2009

Hierarchical Superhydrophobic Surfaces Resist Water Droplet Impact

K.K. Varanasi, T. Deng, M. Hsu, N. Bhate
Massachusetts Institute of Technology, US

Keywords: superhydrophobic surfaces, wetting, droplet impact, heirarchical surfaces


In this paper we study dynamic wetting interactions of impinging droplets on superhydrophobic surfaces. We show that bio-inspired heirarchical micro-nano surfaces are optimum for droplet impact resistance.
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