3 papers
physics.flu-dyn2025
Spontaneous Coulomb fissions of drops on lubricated surfaces
Marcus Lin, Peng Zhang, Aaron D. Ratschow +3
Charged water drops are more widespread than commonly acknowledged. For example, raindrops typically carry charges of order Q ~ 1 pC, while routine pipetting in the laboratory prod…
physics.flu-dyn2025
Contact line friction of bubbles
Xicheng Bao, Aaron D. Ratschow, Xiaoteng Zhou +9
Contact line friction (CLF) of bubbles is ubiquitous, from bubbles on a beer glass to H2 bubbles sliding over electrodes in electrolysis. However, a fundamental understanding of CL…
cond-mat.soft2025
Bipolar surface charging by evaporating water droplets
Nitish Singh, Aaron D. Ratschow, Nabeel Aslam +1
Surface charging is a ubiquitous phenomenon with important consequences. On one hand, surface charging underpins emerging technologies such as triboelectric nanogenerators; on the…