Curvature Gradient Driving Droplets in Fast Motion
Chemical Physics
2011-01-21 v1 Fluid Dynamics
Abstract
Earlier works found out spontaneous directional motion of liquid droplets on hydrophilic conical surfaces, however, not hydrophobic case. Here we show that droplets on any surface may take place spontaneous directional motion without considering contact angle property. The driving force is found to be proportional to the curvature gradient of the surface. Fast motion can be lead at surfaces with small curvature radii. The above discovery can help to create more effective transportation technology of droplets, and better understand some observed natural phenomena.
Cite
@article{arxiv.1101.3995,
title = {Curvature Gradient Driving Droplets in Fast Motion},
author = {Cunjing Lv and Chao Chen and Yajun Yin and Fan-gang Tseng and Quanshui Zheng},
journal= {arXiv preprint arXiv:1101.3995},
year = {2011}
}
Comments
18 pages, 7 figures