Biological and engineered topological droplet rectifiers

J Li, J Li, J Sun, S Feng, Z Wang - Advanced Materials, 2019 - Wiley Online Library
The power of the directional and spontaneous transport of liquid droplets is revealed
through ubiquitous biological processes and numerous practical applications, where …

Leidenfrost droplet trampolining

G Graeber, K Regulagadda, P Hodel, C Küttel… - Nature …, 2021 - nature.com
A liquid droplet dispensed over a sufficiently hot surface does not make contact but instead
hovers on a cushion of its own self-generated vapor. Since its discovery in 1756, this so …

Directional transport of high-temperature Janus droplets mediated by structural topography

J Li, Y Hou, Y Liu, C Hao, M Li, MK Chaudhury, S Yao… - Nature Physics, 2016 - nature.com
Directed motion of liquid droplets is of considerable importance in various water and thermal
management technologies. Although various methods to generate such motion have been …

Effect of surface topography and wettability on the Leidenfrost effect

L Zhong, Z Guo - Nanoscale, 2017 - pubs.rsc.org
When deposited on a superheated surface, a droplet can be levitated by its own vapour
layer, a phenomenon that is referred to as the Leidenfrost effect. This dynamic effect has …

Rectification of mobile Leidenfrost droplets by planar ratchets

J Li, X Zhou, Y Zhang, C Hao, F Zhao, M Li, H Tang… - Small, 2020 - Wiley Online Library
The self‐transportation of mobile Leidenfrost droplets with well‐defined direction and
velocity on millimetric ratchets is one of the most representative and spectacular phenomena …

Self-excitation of Leidenfrost drops and consequences on their stability

A Bouillant, C Cohen, C Clanet… - Proceedings of the …, 2021 - National Acad Sciences
Volatile liquids (water, alcohol, etc.) poured on hot solids levitate above a layer of vapor.
Unexpectedly, these so-called Leidenfrost drops often suddenly start to oscillate with star …

[HTML][HTML] Leidenfrost heat engine: Sustained rotation of levitating rotors on turbine-inspired substrates

P Agrawal, GG Wells, R Ledesma-Aguilar, G McHale… - Applied energy, 2019 - Elsevier
The prospect of thermal energy harvesting in extreme environments, such as in space or at
microscales, offers unique opportunities and challenges for the development of alternate …

Self-organized oscillations of Leidenfrost drops

X Ma, JC Burton - Journal of Fluid Mechanics, 2018 - cambridge.org
In the Leidenfrost effect, a thin layer of evaporated vapour forms between a liquid and a hot
solid. The complex interactions between the solid, liquid and vapour phases can lead to rich …

Minimum Leidenfrost temperature on smooth surfaces

D Harvey, JM Harper, JC Burton - Physical Review Letters, 2021 - APS
During the Leidenfrost effect, a thin insulating vapor layer separates an evaporating liquid
from a hot solid. Here we demonstrate that Leidenfrost vapor layers can be sustained at …

Star-shaped oscillations of Leidenfrost drops

X Ma, JJ Liétor-Santos, JC Burton - Physical Review Fluids, 2017 - APS
We experimentally investigate the self-sustained, star-shaped oscillations of Leidenfrost
drops. The drops levitate on a cushion of evaporated vapor over a heated, curved surface …