Shedding of Oil Drops From a Glass Surface Due to Water Cross Flow

IRPN: Science Pub Date : 2017-10-23 DOI:10.2139/ssrn.3101280
Lukesh Kumar Mahato, R. Goswami, D. K. Mandal
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引用次数: 1

Abstract

The shedding of silicon oil drops from a glass surface due to water cross flow is presented. The surface was placed inside a rectangular channel filled with water, and on top of the surface a drop of given size was placed. Various sizes of the drops were used for the experiment. The flow of water was gradually increased so that the drop sheds when the drag and the adhesion balance each other. The cross-flow velocity of water at that point was called the critical velocity. The critical velocity was found to decrease with increase in drop size. The contact lengths and heights were found to increase with the drop size. The increase in the contact length increases the adhesion, but the increase in height raises the drag applied. Hence the critical velocity decreases.
由于水的交叉流动,油滴从玻璃表面脱落
介绍了硅油滴在玻璃表面由于水的交叉流动而脱落的现象。表面被放置在一个充满水的矩形通道中,在表面的顶部放置一个给定大小的水滴。实验中使用了不同大小的液滴。水的流量逐渐增加,使水滴在阻力和粘附力相互平衡时脱落。水在该点的横流速度称为临界速度。临界速度随液滴尺寸的增大而减小。接触长度和高度随液滴尺寸的增大而增大。接触长度的增加增加了附着力,但高度的增加增加了所施加的阻力。因此临界速度减小。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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