On the coalescence speed of bubbles
On the coalescence speed of bubbles
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DOI：
10.1063/1.1965692
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发表时间：
2005-07-01
影响因子：
4.6
通讯作者：
Ootsuka, N
中科院分区：
文献类型：
--
作者：
Thoroddsen, ST;Etoh, TG;Ootsuka, N
两个气泡接触后会迅速结合。利用超高速摄像机，实验研究了两个气泡连接颈部区域的初始聚并运动。气泡在酒精中生长，在两个相对垂直的针的两端，直到它们接触。颈部的生长速度是用毛细管/惯性平衡测量和建模的。颈部的瞬时轮廓形成一个圆弧，两个主要曲率半径的比值随时间线性增加。(c) 2005年美国物理研究所。
Two bubbles brought into contact will coalesce rapidly. We study experimentally the initial coalescence motions in the neck region connecting the two bubbles, using an ultrahigh-speed video camera. The air bubbles are grown in ethyl alcohol, at the ends of two opposing vertical needles, until they come into contact. The growth rate of the neck is measured and modeled with a capillary/inertial balance. The instantaneous profile in the neck forms a circular arc, with the ratio of the two principal radii of curvatures increasing linearly in time. (c) 2005 American Institute of Physics.