Microbeads in Leidenfrost drops

cover_softWe investigated the organization of micrometric hydrophilic beads (glass or basalt) immersed in Leidenfrost drops. Starting from a large volume of water compared to the volume of the beads, while the liquid evaporates, we observed that the grains are eventually trapped at the interface of the droplet and accumulate. At a moment, the grains entirely cover the droplet. A liquid marble is obtained using hydrophilic grains! Leidenfrost droplet allows to obtain perfect non-wetting conditions which can be used to organise particles.

 

L.Maquet, P.Colinet and S.Dorbolo, Organization of microbeads in Leidenfrost drops, Soft Matter 10, 4061-4066 (2014) – PDF

 

Advertisements

About nicovdw

Professor in Physics
This entry was posted in Article and tagged , , . Bookmark the permalink.

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s