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Updated: Feb 21, 2026

Experimental Protocol to Investigate Particle Aerosolization of a Product Under Abrasion and Under Environmental Weathering
Published on: September 16, 2016
Low gas permeability of particulate films slows down the aging of gas marbles
Yousra Timounay1, Even Ou, Elise Lorenceau
1Université Paris-Est, Laboratoire Navier (CNRS UMR 8205, École des Ponts ParisTech, IFSTTAR), 2 Allée Képler, 77 420 Champs-sur-Marne, France. yousra.timounay@gmail.com.
Abstract:
Introducing solid particles into liquid films drastically changes their properties: "gas marbles" can resist overpressure and underpressure ten times larger than their pure liquid counterparts - also known as soap bubbles - before deforming. Such gas marbles can therefore prove to be useful as gas containers able to support stresses. Yet, as their liquid counterparts, they can undergo gas transfer, which can reduce the scope of their applications. However, their permeability has never been characterized. In this paper, we measure the gas permeability of gas marbles through dedicated experiments. Our results show that particulate films are less permeable to gas than their pure liquid counterparts. We attribute this limited overall gas flux to the particles that reduce the surface area through which gas diffuses.
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