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Of balls, bladders, and balloons: The time required to deflate an elastic sphere
American Journal of Physics ( IF 0.8 ) Pub Date : 2020-12-23 , DOI: 10.1119/10.0001998 Don S. Lemons 1 , Trevor C. Lipscombe 2
American Journal of Physics ( IF 0.8 ) Pub Date : 2020-12-23 , DOI: 10.1119/10.0001998 Don S. Lemons 1 , Trevor C. Lipscombe 2
Affiliation
Experience teaches us that a large balloon takes longer to deflate than a small one of the same kind. But what is the quantitative relation between the deflation time τ and the radius R of a balloon? A simple analysis, depending only upon elementary physics, shows that —a prediction that is surprisingly easy to illustrate with a party balloon, a tape measure, and a smart-phone app.
中文翻译:
球,膀胱和气球中的气体:使弹性球体放气所需的时间
经验告诉我们,大气球比小气球需要更长的时间才能放气。但是放气时间τ和气球半径R之间的定量关系是什么?仅仅依赖于基本物理学的简单分析表明:-通过聚会气球,卷尺和智能手机应用程序可以轻松说明这一预测。
更新日期:2020-12-24
中文翻译:
球,膀胱和气球中的气体:使弹性球体放气所需的时间
经验告诉我们,大气球比小气球需要更长的时间才能放气。但是放气时间τ和气球半径R之间的定量关系是什么?仅仅依赖于基本物理学的简单分析表明:-通过聚会气球,卷尺和智能手机应用程序可以轻松说明这一预测。