The dynamics of vertical coalescence of acoustically levitated droplets

IF 2.3 4区 工程技术 Q2 INSTRUMENTS & INSTRUMENTATION
Aditya Vashi, Ajeet Singh Yadav, Nam-Trung Nguyen, Kamalalayam Rajan Sreejith
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引用次数: 0

Abstract

Mobility manipulation of liquid droplets is an important task of digital imicrofluidics. Acoustic levitation has revolutionised the contactless manipulation of liquid droplets for various applications. Acoustic levitation technique can be effectively used to manipulate droplets to obtain their coalescence. This paper reports a unique, versatile, and material-independent approach for the vertical coalescence of the droplets suspended in an acoustic levitator. The acoustic power of the levitator is carefully engineered to obtain vertical coalescence of two liquid droplets. Water, 20% and 40% glycerol–water solutions are used as the working liquids. The results of the experiments revealed three outcomes during the coalescence. The outcomes are analysed and discussed.

Abstract Image

声学悬浮液滴的垂直凝聚动力学
液滴的移动操控是数字微流体技术的一项重要任务。声学悬浮技术彻底改变了液滴的非接触式操作,可用于多种应用。声悬浮技术可以有效地操纵液滴,使其凝聚。本文报告了一种独特的、多功能的、与材料无关的方法,用于悬浮在声学悬浮器中的液滴的垂直凝聚。悬浮器的声功率经过精心设计,以获得两种液滴的垂直凝聚。水、20% 和 40% 的甘油-水溶液被用作工作液体。实验结果显示了凝聚过程中的三种结果。现对这些结果进行分析和讨论。
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来源期刊
Microfluidics and Nanofluidics
Microfluidics and Nanofluidics 工程技术-纳米科技
CiteScore
4.80
自引率
3.60%
发文量
97
审稿时长
2 months
期刊介绍: Microfluidics and Nanofluidics is an international peer-reviewed journal that aims to publish papers in all aspects of microfluidics, nanofluidics and lab-on-a-chip science and technology. The objectives of the journal are to (1) provide an overview of the current state of the research and development in microfluidics, nanofluidics and lab-on-a-chip devices, (2) improve the fundamental understanding of microfluidic and nanofluidic phenomena, and (3) discuss applications of microfluidics, nanofluidics and lab-on-a-chip devices. Topics covered in this journal include: 1.000 Fundamental principles of micro- and nanoscale phenomena like, flow, mass transport and reactions 3.000 Theoretical models and numerical simulation with experimental and/or analytical proof 4.000 Novel measurement & characterization technologies 5.000 Devices (actuators and sensors) 6.000 New unit-operations for dedicated microfluidic platforms 7.000 Lab-on-a-Chip applications 8.000 Microfabrication technologies and materials Please note, Microfluidics and Nanofluidics does not publish manuscripts studying pure microscale heat transfer since there are many journals that cover this field of research (Journal of Heat Transfer, Journal of Heat and Mass Transfer, Journal of Heat and Fluid Flow, etc.).
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