Dynamics of Surfactants Spreading on Gel-like Materials: Cracking and Pattern Formation
Constantine Spandagos, Paul Luckham, Omar Matar
TL;DR
This paper investigates how surfactants spread on gel-like materials, focusing on the resulting crack patterns caused by Marangoni stresses, which resemble starburst formations.
Contribution
It introduces the study of surfactant-induced pattern formation on gels, highlighting the role of Marangoni stresses in gel cracking and starburst pattern development.
Findings
Surfactant spreading induces crack patterns on gels.
Marangoni stresses promote gel cracking.
Starburst-like patterns emerge during surfactant flow.
Abstract
We study the dynamics of surfactants spreading on gels, paying particular attention to the pattern formation accompanying the flow. The latter results from gel-cracking, promoted by Marangoni stresses, and resemble starbursts.
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Taxonomy
TopicsSurfactants and Colloidal Systems · Liquid Crystal Research Advancements · Fluid Dynamics Simulations and Interactions