2022/02/21 by Afshin Davarpanah, Davarpanah, Afshin, S. J. Cox +1
Engineering · Materials Science · Mathematics · #Computational Physics (physics.comp-ph) #FOS: Physical sciences #Fluid Dynamics (physics.flu-dyn) #Gas Dynamics and Kinetic Theory #Soft Condensed Matter (cond-mat.soft) #Spacecraft and Cryogenic Technologies #Surface Modification and Superhydrophobicity
paper · pdf · doi:10.48550/arxiv.2202.10129
openalex publication_date 2022/02/21 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
We predict the volume of liquid recovered from different-shaped prismatic channels following gas displacement. This recovery factor depends strongly on the contact angle at which the gas-liquid interfaces meet the walls of the channel. We show that scaling the contact angle by a critical value, dependent on the channel shape, leads to a master curve for the recovery factor. Our numerical simulations with the Surface Evolver are supported by theoretical calculations for the capillary entry pressure in a channel with a triangular or rectangular cross-section and for the interface shape in a "scalloped" triangular channel formed between three parallel cylinders.