(98af) Impact of Nano-Drops On Solid Surfaces
AIChE Annual Meeting
2013
2013 AIChE Annual Meeting
Engineering Sciences and Fundamentals
Poster Session: Fluid Mechanics (Area 1j)
Monday, November 4, 2013 - 11:00am to 12:30pm
The impact of nanometer-sized drops on solid surfaces is studied
by molecular dynamics computer simulations. Volatile and non-volatile
drops of pure liquid, surfactant solutions, and "liquid marble"
drops consisting of particulate suspensions are considered. The
simulation protocol is to equilibrate a drop made of short chains
of Lennard-Jones atoms, with or without added surfactant (longer
amphiphilic chains) or rigid solid (atomistic) particles, and direct
them towards a solid substrate lattice. At high impact velocities
we focus on the transition to splashing and comparison with the
behavior of laboratory-sized drops. At lower velocities we address
the effects of solid surface texture and wettability, and compare
the results to lattice Boltzmann calculations for continuum drops.