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首页> 外文期刊>Experimental Thermal and Fluid Science: International Journal of Experimental Heat Transfer, Thermodynamics, and Fluid Mechanics >An experimental study on the motion, deformation and electrical charging of water drops falling in oil in the presence of high voltage D.C. electric field
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An experimental study on the motion, deformation and electrical charging of water drops falling in oil in the presence of high voltage D.C. electric field

机译：在直流高压电场作用下滴入油中的水滴的运动，变形和带电的实验研究

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摘要

The motion, deformation and electrical charging of conducting water drops falling in an insulating liquid subjected to various electric fields strength were studied experimentally. The drop motion was recorded contentiously by high speed camera and their responses to deformation under the influence of electric field were digitally extracted by image processing of the sequential frames. Two parameters were defined for describing the deviation and deformation of the drops under the electric forces. Outcomes depicted that the deviation of the drops from the vertical line would be increased by adding to the applied electrical potential as well as reduction of drop size. Moreover, regarding to deformation diagram, the results revealed a dissimilar deformation manner between large and small drops, which can be helpful in describing the drop-drop electro coalescence phenomena and in design of electrically driven droplet-based systems.
机译：实验研究了落在绝缘液体中的导电水滴在各种电场强度下的运动，变形和带电。用高速相机有争议地记录了跌落运动，并通过对连续帧进行图像处理，数字地提取了其在电场影响下对变形的响应。定义了两个参数来描述液滴在电力作用下的偏离和变形。结果表明，通过增加施加的电势以及减小墨滴尺寸，墨滴与垂直线的偏差将增加。此外，关于变形图，结果表明大液滴和小液滴之间的变形方式不同，这有助于描述液滴-液滴的电聚结现象，并有助于设计基于电的液滴的系统。

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