在考虑动态接触角的条件下,对液滴在介质上电润湿过程的动力学行为特性进行了数值模拟研究,其中电润湿作用通过在接触线上施加电场作用力实现,动态接触角采用Kilster模型.结果表明:电润湿液滴在类似阻尼振荡的过程中逐渐停止运动,并且出现了"过度润湿"现象;另外,液滴运动时的动态接触角明显偏离静态平衡接触角,表明电润湿液滴动力学数学模型考虑动态接触角的必要性.
参考文献
[1] | Michael G. Pollack;Richard B. Fair;Alexander D. Shenderov .Electrowetting-based actuation of liquid droplets for microfluidic applications[J].Applied physics letters,2000(11):1725-1726. |
[2] | T. Krupenkin;S. Yang;P. Mach .Tunable liquid microlens[J].Applied physics letters,2003(3):316-318. |
[3] | Shawn W. Walker;Benjamin Shapiro .Modeling the Fluid Dynamics of Electrowetting on Dielectric (EWOD)[J].Journal of Microelectromechanical Systems: A Joint IEEE and ASME Publication on Microstructures, Microactuators, Microsensors, and Microsystems,2006(4):986-1000. |
[4] | Jun Zeng;Tom Korsmeyer .Principles of droplet electrohydrodynamics for lab-on-a-chip[J].Lab on a chip,2004(4):265-277. |
[5] | Blake TD .The physics of moving wetting lines[J].Journal of Colloid and Interface Science,2006(1):1-13. |
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