Editors: | Kongoli F, Marquis F, Lu L, Xia H, Masset P, Rokicki P |
Publisher: | Flogen Star OUTREACH |
Publication Year: | 2016 |
Pages: | 180 pages |
ISBN: | 978-1-987820-56-0 |
ISSN: | 2291-1227 (Metals and Materials Processing in a Clean Environment Series) |
It is known that normal liquid can not be shaped like solid. Here we show that if a water droplet is encapsulated in a monolayer of hydrophobic nanoparticles, it can be deformed and shaped almost arbitrarily when the nanoparticles become jammed. One can use mechanical force, electric field, sound field, et al. to manipulate the droplet, adjusting its shape and the diffusion behavior inside it. The achievement of jamming is attributed to the variation of droplet surface area which decreases the distance between particles and thus their interactions. The enhanced Van der Waals forces among particles hold the jamming state even when the droplet surface is increased by water injection. In this report, we will discuss the physics of these phenomena from both macroscopic and microscopic views.