反泡沫破裂理论
Theory of the Antibubble Collapse
摘要:
发展了一个被刺破的反气泡的坍缩理论。在塌陷空气膜的边缘处形成的空气边缘的运动不能用势流来描述,并且其特征在于高雷诺数。边缘速度不是恒定的,而是随着时间逐渐减小,并且由表面张力和流体动力学拖曳力之间的平衡决定。导出并求解了塌缩方程。理论和现有的实验之间的协议。
英文摘要:
A theory of the collapse of a punctured antibubble is developed. The motion of the rim of air formed at the edge of the collapsing air film cannot be described by a potential flow and is characterized by high Reynolds numbers. The rim velocity is not constant but gradually decreases with time and is determined by the balance between the surface tension and hydrodynamic drag forces. A collapse equation is derived and solved. The agreement between the theory and existing experiments is shown.
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