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Numerical simulation of drop oscillation in AC electrowetting
Li XL(李晓亮); He GW(何国威); Zhang X(张星); Zhang, X (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China.
Source PublicationSCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
2013-02
Volume56Issue:2Pages:383–394
ISSN1674-7348
Abstractmicroscopic model" for the moving contact line. The contact line model developed by Ren et al. [Phys Fluids, 2010, 22: 102103] is used in the simulation. To determine the slip length in this model, we propose a calibration procedure using the experimental data of drop spreading in DC electrowetting. In the simulation, the frequency of input AC voltage varies in a certain range while the root-mean-square value remains fixed. The numerical simulation is validated against the experiment and it shows that the predicted resonance frequencies for different oscillation modes agree reasonably well with the experiment. The origins of discrepancy between simulation and experiment are analyzed in the paper. Further investigation is also conducted by including the contact angle hysteresis into the contact line model to account for the "stick-slip" behavior. A noticeable improvement on the prediction of resonance frequencies is achieved by using the hysteresis model.
KeywordElectrowetting Hysteresis Oscillation Contact Line Model Slip Length
Subject Area物理力学
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Indexed BySCI ; EI
Language英语
WOS IDWOS:000314709000017
Funding OrganizationChinese Academy of Sciences [KJCX-SW-L08, KJCX2-YW-H18, KJCX3-SYW-S01]; National Basic Research Program of China [2007CB814803]; National Natural Science Foundation of China [10732090, 10872201, 11023001]
DepartmentLNM湍流
Classification二类/Q3
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/46802
Collection非线性力学国家重点实验室
Corresponding AuthorZhang, X (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Li XL,He GW,Zhang X,et al. Numerical simulation of drop oscillation in AC electrowetting[J]. SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,2013,56(2):383–394.
APA Li XL,He GW,Zhang X,&Zhang, X .(2013).Numerical simulation of drop oscillation in AC electrowetting.SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,56(2),383–394.
MLA Li XL,et al."Numerical simulation of drop oscillation in AC electrowetting".SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY 56.2(2013):383–394.
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