# Solubility enhanced surfactant-induced flow in air-liquid-air sheets

Source: [Solubility enhanced surfactant-induced flow in air-liquid-air sheets](<https://www.sota2.com/research/paper/6a1e6393dbd7150506f85224>)

Collection index: [llms.txt](<https://www.sota2.com/research/llms.txt>)

Data updated: 2026-06-02T05:00:51.558Z

Authors: Jun Eshima, Tristan Aur\\'egan, Emmanuel Villermaux, Howard A. Stone, Luc Deike

Published: 2026-05-30T23:07:55.000Z

## Abstract

Liquid interfaces appear throughout nature and engineering and are typically contaminated by surface active agents (surfactants), which are characterized by a wide range of solubility. We demonstrate that solubility enhances by an order of magnitude surfactant-induced flow in air-liquid-air films, in contrast to previously studied geometries where solubility dampens the flow. The enhancement is described by a single parameter comparing the depletion length to the film thickness. Our experiments are well described by an asymptotic theory of the Navier-Stokes equations with surfactant kinetics.

## Recorded benchmark results

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## Original sources and implementation

[Original paper](<https://arxiv.org/abs/2606.00921>)

[PDF](<https://arxiv.org/pdf/2606.00921.pdf>)