Investigations on Attenuation of Lamb Waves in Droplet Actuation

IF 16.4 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY
Wei Liang, Zichen Wang, Zhaodong Yang, Tong Wang, He Gu
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引用次数: 0

Abstract

In droplet actuation, Lamb waves are utilized to manipulate and control liquid droplets on solid surfaces. This paper presents an analytical model for driving droplets using Lamb waves (a type of surface acoustic wave) on a non-piezoelectric substrate. The driving of droplets is simulated using the level set two-phase flow method, and the obtained data are validated through corresponding experiments. The simulation and experimental data are therefore combined to calculate and verify the attenuation of Lamb waves in droplet actuation. The research findings indicate that the droplets absorb the maximum amount of Lamb wave energy when their volume is 50 µL, and at this point, the Lamb wave experiences the fastest attenuation.

Abstract Image

液滴驱动中兰姆波衰减的研究
在液滴驱动中,兰姆波被用来操纵和控制固体表面上的液滴。本文提出了利用Lamb波(一种表面声波)在非压电基板上驱动液滴的解析模型。采用水平集两相流法对液滴的驱动进行了模拟,并通过相应的实验对所得数据进行了验证。因此,将仿真和实验数据相结合,计算并验证了液滴驱动过程中兰姆波的衰减。研究结果表明,液滴在体积为50µL时吸收Lamb波能量最大,此时Lamb波衰减最快。
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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来源期刊
Accounts of Chemical Research
Accounts of Chemical Research 化学-化学综合
CiteScore
31.40
自引率
1.10%
发文量
312
审稿时长
2 months
期刊介绍: Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.
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