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Journal Articles European Physical Journal E: Soft matter and biological physics Year : 2021

A new setup for giant soap films characterization

Abstract

Artists, using empirical knowledge, manage to generate and play with giant soap films and bubbles. Until now, scientific studies of soap films generated at a controlled velocity and without any feeding from the top, studied films of a few square centimeters. The present work aims to present a new setup to generate and characterize giant soap films (2 m × 0.7 m). Our setup is enclosed in a humidity-controlled box of 2.2 m high, 1 m long, and 0.75 m large. Soap films are entrained by a fishing line withdrawn out of a bubbling solution at various velocities. We measure the maximum height of the generated soap films, as well as their lifetime, thanks to automatic detection. This is allowed by light-sensitive resistors collecting the light reflected on the soap films and ensures robust statistical measurements. In the meantime, thickness measurements are performed with a UV-VIS-spectrometer, allowing us to map the soap film's thickness over time.
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Dates and versions

hal-04030582 , version 1 (15-03-2023)

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Sandrine Mariot, Marina Pasquet, Vincent Klein, Frédéric Restagno, Emmanuelle Rio. A new setup for giant soap films characterization. European Physical Journal E: Soft matter and biological physics, 2021, 44 (4), pp.52. ⟨10.1140/epje/s10189-021-00054-5⟩. ⟨hal-04030582⟩
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