一种新的巨皂膜表征装置
A new setup for giant soap films characterization
摘要：
艺术家们，利用经验知识，设法产生和发挥巨大的肥皂膜和泡沫。到目前为止，对肥皂膜的科学研究是以受控的速度产生的，并且没有任何从顶部进料，研究了几平方厘米的薄膜。本工作的目的是提出一种新的装置，以产生和表征巨肥皂膜（2~m $\times$ 0.7~m）。我们的装置被封闭在一个高2.2米，长1米，大0.75米的湿度控制箱中。肥皂膜被鱼线以不同的速度从鼓泡溶液中抽出。通过自动检测，我们可以测量生成的肥皂膜的最大高度及其使用寿命。这是通过光敏电阻器收集肥皂膜上反射的光来实现的，并确保可靠的统计测量。与此同时，厚度测量是用紫外可见光谱仪进行的，使我们能够绘制肥皂膜厚度随时间的变化。
英文摘要：
Artists, using an 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 $\times$ 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 Soap films are entrained by a fishing line withdrawn out of a bubbling solution at various velocities.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 an 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 films thickness over time.
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