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A public study of the lifetime distribution of soap films

机译:肥皂膜寿命分布的公开研究

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We present data for the lifetime distribution of soap films made from commercial dish-washing solution and contained in sealed cylinders. Data for over 2500 films were gathered during a 2-month exhibition on the science and art of bubbles and foams in Dublin's Science Gallery. Visitors to the gallery were invited to create 10-20 parallel soap films in acrylic tubes which were sealed with cork stoppers. Individual film bursts occurred at random and were uncorrelated. The total number of remaining films in the tubes was recorded every day. Visitors could monitor the status of their soap film tube and the daily updated histogram of the lifetime of all films. The histogram of the bubble lifetimes is well described by a Weibull distribution, which indicates that the failure rate is not constant and increases over time. Unsealed cylinders show drastically reduced film lifetimes. This experiment illustrates the difference between the unpredictability of the lifetime of individual films and the existence of a well-defined lifetime distribution for the ensemble.
机译:我们提供了由商用洗碗液制成并包含在密封缸中的肥皂膜的寿命分布数据。在都柏林科学馆历时2个月的气泡与泡沫科学与艺术展览期间,收集了2500多部电影的数据。邀请到画廊的访客在用软木塞密封的丙烯酸管中制作10-20个平行的肥皂膜。个别的胶片突发是随机发生的,并且是不相关的。每天记录管中剩余膜的总数。参观者可以监视其皂膜管的状态以及所有膜寿命的每日更新直方图。气泡寿命的直方图很好地由Weibull分布描述,这表明故障率不是恒定的,并且会随着时间而增加。未密封的滚筒显示膜寿命大大减少。该实验说明了单个胶片的寿命的不可预测性与该合奏的明确定义的寿命分布之间的区别。

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