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Numerical investigation of multi-droplets deposited lines morphology with a multiple-relaxation-time lattice Boltzmann model
Zhang L(张磊); Zhu YL(朱云龙); Cheng XD(程晓鼎)
Department数字工厂研究室
Source PublicationChemical Engineering Science
ISSN0009-2509
2017
Volume171Pages:534-544
Indexed BySCI ; EI
EI Accession number20172503795528
WOS IDWOS:000409285000045
Contribution Rank1
Funding OrganizationNational High Technology Research and Development Program of China through Grant No.2014AA052101
KeywordMulti-droplets Uniform Line Formation Multiple-relaxation-time Lattice Boltzmann Method Contact Angles Hysteresis Coalescence Mode
AbstractThe formation and morphology of multi-droplets deposited lines are investigated by employing a 3D MRT pseudopotential LB model with large density ratios and high Reynolds numbers. A geometric formulation is considered to replace the fluid-solid interaction scheme to model the contact angles hysteresis. Of particular interest in this study is to find out the optimal conditions of uniform line formation. The effects of droplet overlap ratios and advancing contact angles on the lines morphology are investigated numerically. With the droplet overlap ratio increasing, the lines morphologies including isolate, scalloped, uniform and bulging formation are quantitatively identified. An optimal droplet overlap ratio is proposed to obtain uniform morphology of lines and validated via varying Ohnesorge numbers. The effects of vertical droplet spacing on the lines morphology at the optimal droplet overlap ratio is investigated and two coalescence modes are identified. Results show that the proposed optimal overlap ratio for uniform line formation is not sufficient condition and is valid in the case of out-of-phase coalescence mode.
Language英语
WOS HeadingsScience & Technology ; Technology
WOS SubjectEngineering, Chemical
WOS KeywordRECEDING CONTACT-ANGLE ; DRY SURFACES ; SUBSTRATE ; IMPACT ; LIQUID ; METALLIZATION ; SIMULATIONS ; RESOLUTION ; STABILITY ; TRACKS
WOS Research AreaEngineering
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Document Type期刊论文
Identifierhttp://ir.sia.cn/handle/173321/20737
Collection数字工厂研究室
Corresponding AuthorZhang L(张磊)
Affiliation1.Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, China
2.University of Chinese Academy of Sciences, Beijing 100049, China
Recommended Citation
GB/T 7714
Zhang L,Zhu YL,Cheng XD. Numerical investigation of multi-droplets deposited lines morphology with a multiple-relaxation-time lattice Boltzmann model[J]. Chemical Engineering Science,2017,171:534-544.
APA Zhang L,Zhu YL,&Cheng XD.(2017).Numerical investigation of multi-droplets deposited lines morphology with a multiple-relaxation-time lattice Boltzmann model.Chemical Engineering Science,171,534-544.
MLA Zhang L,et al."Numerical investigation of multi-droplets deposited lines morphology with a multiple-relaxation-time lattice Boltzmann model".Chemical Engineering Science 171(2017):534-544.
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