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Numerical analysis of deposition frequency for successive droplets coalescence dynamics
Cheng XD(程晓鼎)1,2; Zhu YL(朱云龙)3; Zhang L(张磊)1; Zhang DY(张丁一)1; Ku T(库涛)1
Department数字工厂研究室
Source PublicationPHYSICS OF FLUIDS
ISSN1070-6631
2018
Volume30Issue:4Pages:1-15
Indexed BySCI ; EI
EI Accession number20181705059460
WOS IDWOS:000430451000022
Contribution Rank1
Funding OrganizationNational Key Research and Development Program of China
AbstractA pseudopotential based multi-relaxation-time lattice Boltzmann model is employed to investigate the dynamic behaviors of successive droplets' impact and coalescence on a solid surface. The effects of deposition frequency on the morphology of the formed line are investigated with a zero receding contact angle by analyzing the droplet-to-droplet coalescence dynamics. Two collision modes (in-phase mode and out-of-phase mode) between the pre-deposited bead and the subsequent droplet are identified depending on the deposition frequency. A uniform line can be obtained at the optimal droplet spacing in the in-phase mode (Delta t* < 1.875). However, a scalloped line pattern is formed in the out-of-phase mode (Delta t* > 1.875). It is found that decreasing the droplet spacing or advancing contact angle can improve the smoothness of line in the out-of-phase mode. Furthermore, the effects of deposition frequency on the morphology of the formed lines are validated to be applicable to cases with a finite receding contact angle. Published by AIP Publishing.
Language英语
WOS SubjectMechanics ; Physics, Fluids & Plasmas
WOS KeywordLATTICE BOLTZMANN METHOD ; RECEDING CONTACT-ANGLE ; LIQUID ; IMPACT ; SURFACE ; INKJET ; DROPS ; SIMULATION ; SUBSTRATE ; LINES
WOS Research AreaMechanics ; Physics
Funding ProjectNational Key Research and Development Program of China[2017YFB0306401]
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sia.cn/handle/173321/21860
Collection数字工厂研究室
Corresponding AuthorZhang DY(张丁一)
Affiliation1.Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, China;
2.University of Chinese Academy of Sciences, Beijing 100049, China;
3.School of Electronical Engineering and Intelligentization, Dongguan University of Technology, Dongguan 523000, China
Recommended Citation
GB/T 7714
Cheng XD,Zhu YL,Zhang L,et al. Numerical analysis of deposition frequency for successive droplets coalescence dynamics[J]. PHYSICS OF FLUIDS,2018,30(4):1-15.
APA Cheng XD,Zhu YL,Zhang L,Zhang DY,&Ku T.(2018).Numerical analysis of deposition frequency for successive droplets coalescence dynamics.PHYSICS OF FLUIDS,30(4),1-15.
MLA Cheng XD,et al."Numerical analysis of deposition frequency for successive droplets coalescence dynamics".PHYSICS OF FLUIDS 30.4(2018):1-15.
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