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Modeling of droplet traffic in interconnected microfluidic ladder devices
Song K(宋奎); Zhang L(张丽); Hu GQ(胡国庆); Hu, GQ; Chinese Acad Sci, Inst Mech, LNM, 15 Bei Si Huan Xi Lu, Beijing 100190, Peoples R China.
Source PublicationELECTROPHORESIS
2012-02-01
Volume33Issue:3Pages:411-418
ISSN0173-0835
AbstractThe problem of controlling the droplet motion in multiphase flows on the microscale has gained increasing attention because the droplet-based microfluidic devices provide great potentials for chemical and biological applications. It is critical to understand the relevant physics on droplet hydrodynamics and thus control the generation, motion, splitting, and coalescence of droplets in complex microfluidic networks. Numerical simulations using the volume of fluid algorithm are conducted to investigate the time-dependent dynamics of droplets in gasliquid multiphase devices. An analytical model based on the electronichydraulic analogy is developed to describe the hydrodynamic behavior of the droplets in interconnected microfluidic ladder devices. It is found that the pressure drop caused by the droplets plays a critical role in the droplet synchronization. A fitted formula for pressure drops in the presence of surfactant is achieved by using numerical simulations. Both the numerical and the theoretical results agree well with the corresponding experimental results.
KeywordDroplet Microfluidics Modeling Synchronization Volume Of Fluid Microchannels Junction Bubbles Volume Dynamics
Subject Area微机电系统中的流体力学问题
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Indexed BySCI
Language英语
WOS IDWOS:000299629800001
Funding OrganizationThis work was supported by the National 973 Project (Grant No. 2011CB707604) and Knowledge Innovation Program of CAS (KJCX2-YW-H18).
DepartmentLNM微纳米流体力学
Classification二类/Q1
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Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/46699
Collection非线性力学国家重点实验室
Corresponding AuthorHu, GQ; Chinese Acad Sci, Inst Mech, LNM, 15 Bei Si Huan Xi Lu, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Song K,Zhang L,Hu GQ,et al. Modeling of droplet traffic in interconnected microfluidic ladder devices[J]. ELECTROPHORESIS,2012,33(3):411-418.
APA 宋奎,张丽,胡国庆,Hu, GQ,&Chinese Acad Sci, Inst Mech, LNM, 15 Bei Si Huan Xi Lu, Beijing 100190, Peoples R China..(2012).Modeling of droplet traffic in interconnected microfluidic ladder devices.ELECTROPHORESIS,33(3),411-418.
MLA 宋奎,et al."Modeling of droplet traffic in interconnected microfluidic ladder devices".ELECTROPHORESIS 33.3(2012):411-418.
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